Smartphones & Accessories

The Best magnetic car phone holder

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Our picks are based on Amazon bestseller rankings, verified customer ratings, and product availability. We update our recommendations regularly to ensure accuracy.

Magnetic car phone holders offer a convenient and secure way to keep your smartphone accessible for navigation, music streaming, and hands-free calls during daily commutes or long road trips. These devices utilize powerful magnets to hold your phone firmly in place, often attaching to dashboards or air vents. Products were evaluated based on magnetic strength, mounting stability, adjustability, compatibility, user reviews, and feature analysis.

Best Overall

2026 Upgraded 360° Vacuum Magnetic Car Phone Holder for Magsafe [96+LBS Strongest Suction & 2800gf Strongest Magnetic], Adjustable Car Phone Mount for Your Car/Gym/Mirror/Shower for iPhone & Android

The MiiKARE holder combines an exceptionally strong N52 magnet with a robust vacuum suction cup, offering superior grip and extensive adjustability for diverse mounting needs.

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Best Budget

【 2-Pack 】 Magnetic Phone Holder for Car Dashboard【Strong Magnet】iPhone Magnetic Phone Mount for Car Phone Holder 【4 Metal Plate】Cell Phone Holders for Your Car Mount for iPhone 16 Pro Max 15 14 13 12

The Romuto 2-pack provides a cost-effective solution with strong magnetic hold and VHB adhesive, making it a practical choice for multiple vehicles or users, albeit requiring metal plates.

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Best Premium

2026 Upgraded 360° Vacuum Magnetic Car Phone Holder for Magsafe [96+LBS Strongest Suction & 2800gf Strongest Magnetic], Adjustable Car Phone Mount for Your Car/Gym/Mirror/Shower for iPhone & Android

MiiKARE stands out with its N52 magnets delivering 2800GF pull force and a 96+LBS strongest suction, coupled with extensive 360° rotation and 270° tilt for optimal viewing.

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No. 1
for iPhone Magsafe car Mount【20 Strong Magnets】Magnetic Phone Holder for Car Dashboard...
  • ✅【Designed for Magsafe】 - The most fashionable iphone car mount in 2023 Magsafe is designed for iphone 12/13/14/15 Pro Max Mini and official Magsafe cases and other magnetic phone cases and can be fixed directly to these phones without the need to...
  • ✅【STRONG MAGNETIC MagSafe Car Mount】 - This powerful magnetic phone holder can create a powerful attraction that firmly supports your device while allowing you to drive without distraction. it easily and securely holds your phone through bumps...
  • ✅【SUPER STICK FORCE】 - VHB adhesive provides strong stick force between the dashboard and the car phone holder, which can firmly stick to any plane in the car, fix your device, adapt to a variety of road conditions such as sudden braking, speed...
  • ✅【SAFE DRIVING VIEW】 - Mini-size, not taking up space, it is placed in the dashboard without blocking the view at all, and does not need to look down at the device to ensure your safe driving.
  • ✅【360° FREE ROTATION】 - With an adjustable swivel ball joint, you can rotate your smartphone or device at your own will, providing the best viewing angle. Quickly pick and place with one hand, free your hands and make calls and GPS navigation more...
SaleNo. 2
ANDERY Car Phone Holder for Magsafe [78+LBS Strongest Suction & 2400gf Strongest Magnetic] 360° Adjustable...
  • 360° Rotation & Dual-Axis Adjustment: This car phone holder features a 360° rotating base and 210° dual-axis folding metal arms, allowing easy angle adjustments to suit your needs. Whether in the car or at the office, switch between portrait and...
  • Strong Suction & Stable Hold: This car phone mount uses advanced rotating-lock vacuum suction, boosting suction by 45% compared to traditional press-on mounts. It stays stable on bumpy roads or during sudden stops. The 4-layer high-strength nano gel...
  • Stronger Magnetic Force: With 22 high-performance N55 magnets, this mount's magnetic strength is 200% stronger than standard magnets, providing a top-tier hold with up to 2400gf of force. It can support the weight of up to 50 phones. After 5000 vibration...
  • Circular Cooling Design: This magnetic phone holder for cars features a unique circular vent design that reduces contact between your phone and the holder, improving airflow and preventing overheating. Whether you're using GPS on a long drive or video...
  • Broad Compatibility & 1s Easy Installation: This cell phone car mount is designed for iPhone 17/16/15/14/13/12 series and for all MagSafe devices, plus it includes a magnetic ring to provide the same strong magnetic hold for non-MagSafe phones. Whether...
SaleNo. 3
Miracase for MagSafe Car Mount[3600gf Strong Magnet & 89+LBS Suction Base]Vacuum Magnetic Phone Holders for...
  • 【Never Falls Off on Bumpy Roads】 Tired of magnetic phone holders dropping your phone? Our Vacuum Lock Technology and oversized base deliver an 89 LBS industrial-grade grip. Combined with 20 N55 magnets (3600gf), it securely holds heavy phones like the...
  • 【Zero Blind Spots & Instant Navigation】The Miracase magnetic phone mount ensures safe driving with its ultra-flexible design. It features a 360° rotating base, 210° zinc alloy arm, and 360° ball joint. Instantly switch between portrait for calls...
  • 【Survives Extreme Summer Heat】Worried about suction melting in the sun? The 4-Layer Nano Gel of the magnetic car phone mount withstands extreme temperatures from -20°F to 200°F, ideal for hot climates like Texas or Arizona. Leaves no sticky residue...
  • 【Universal Fit & No Signal Dropping】The cell phone car mount is designed for seamless integration. It works perfectly with iPhone 17-12 series and MagSafe cases out of the box. For Android or non-MagSafe cases, simply attach the included metal ring...
  • 【1-Second Setup & 365-Day Warranty】Skip complicated setups. Install on flat dashboards, windshields, or touchscreens in seconds with true one-handed operation—just snap and go. Backed by 20 years of expertise, every car phone holder mount includes a...
No. 4
Coolpow【Newest Vacuum Magnetic Phone Holder for Car Phone Holder Mount【Movable Vacuum Suction】Magsafe...
  • ✅【2026 The Most Fashionable · Magnetic Phone Mount fits Anywhere】Stylish and versatile. The Coolpow Magnetic Phone Car Mount fits easily into your pocket, handbag, or palm—so you can grab it quickly whenever and wherever you need it.With its...
  • ✅【Twist-Lock Vacuum Suction – 80% Stronger Grip】-This cell phone mount uses advanced rotating-lock vacuum suction, boosting grip strength by 80% compared to traditional press-on mounts. Simply twist the dial to secure it on flat surfaces like...
  • ✅【Military-Grade Magnetic Lock】 — Stop fishing your phone off the floorboard. Coolpow features 26 N58 military-grade magnets — That’s 4,200Gs of holding force, strong enough to keep your iPhone 17 Pro Max locked through potholes, sharp...
  • ✅【30,000-Fold Proven – Metal Parts, Not Plastic Cracks】The "hidden pitfalls" of magnetic phone holder include hinge breakage and connectors made of cheap plastic that are prone to cracking under high temperatures and vibration; Coolpow, on the...
  • ✅【Designed for Magsafe】This vacuum magnetic phone holder works perfectly with iPhone 17 Pro Max/ 16/ 15/ 14/ 13/ 12 series and all MagSafe-enabled devices. For Android users or non-MagSafe cases, simply use the included metal ring (adheres to phone...
No. 5
Miracase Car Phone Holder for Magsafe [Strong Magnets] Magnetic Phone Holders for Your Car, 360°Adjustable...
  • Ultra-Strong Magnetic Stability for Safe Driving - Equipped with 20 high-performance N55 magnets, this car phone mount delivers a powerful and secure hold that keeps your device stable even on bumpy roads, sharp turns, or sudden stops. It eliminates...
  • Upgraded! PopSocket Friendly - No need to remove your PopSocket anymore! Works perfectly with phones equipped with PopSockets, maintaining full magnetic strength and a secure, stable hold without any loss of suction power, so you don’t need to remove...
  • Durable & Vent-Safe Dual Hook Structure - Built with reinforced dual metal hooks for long-lasting durability and anti-break performance. The secure clamping mechanism fits tightly on air vent blades without wobbling, while its gentle design prevents...
  • Premium Silicone Protection for Your Phone - The soft high-density silicone surface provides a gentle yet firm contact point that protects your phone’s back and edges from scratches, scuffs, and daily wear. It offers reliable care for your device while...
  • Quiet 360° Adjustment for Optimal Viewing - Easily adjust your phone to any horizontal or vertical angle with smooth, silent 360° rotation. The flexible design ensures a comfortable, unobstructed view for navigation and calls without blocking your sight...
  • Wide Compatibility for Most Vents & All Phones - Compatible with most horizontal and vertical car air vents...
SaleNo. 6
LISEN for MagSafe Car Mount [3800gf Strong Magnet & 90+LBS Suction] 360° Adjustable Vacuum Magnetic Phone...
  • Super Stable — Strong Suction + Nano Adhesive | Our car phone mount features a 6-layer suction cup — only the top layer is nano adhesive. Delivers 100% stronger suction than standard car phone holder. Attaches to dashboards, windshields, cars, SUVs...
  • Enhanced Magnetic Hold — 3800gf Magnetic Force | Equipped with multiple neodymium magnets in a dual-ring array, this vacuum car phone mount delivers 200% stronger magnetic than standard car phone holder, with a powerful 3800gf magnetic force. After...
  • Broad Compatibility — Extra Metal Ring Included | Designed as a reliable car mount for iPhone, it attaches directly to iPhone 17/16/15/14/13/12 series and MagSafe cases. Works with 99% of other phones and cases. Includes 1 additional metal ring for...
  • Eco-Friendly Design with Smart Cooling — Built for Daily Driving | This phone holders for your car is made from high-strength engineered plastic — durable, lightweight, and built to last. The open ventilation structure reduces heat buildup — whether...
  • Easy Installation & Free Adjustment | 0.1-second installation — just flip the lever and it's locked in place. The magnetic head rotates 360° for perfect phone positioning during navigation, plus 180° tilt adjustment to reduce glare and find your ideal...
  • Ultimate Flexibility with 720° Rotation & Dual-Axis Adjustment — Experience the perfect viewing angle every time with a 720° rotating base and 270° dual-axis folding metal arms. Adjust your phone effortlessly for the ideal position, whether...
SaleNo. 7
Lamicall for MagSafe Car Mount Vent 20 Super Magnets Accessories for iPhone
  • 20 Upgraded Magnets: 2026 Upgraded Magnet Layout - 38.7% Power Boost! Lamicall car phone holder for Magsafe built-in 20 upgraded N52 super magnets, which can easily hold items up to 4.4 lbs. Super powerful magnets ensure a firm hold on your cell phones...
  • Ultra-stable Connection: Significantly superior to plastic hook that easily snapped, the metal hook in this mag safe car mount is made of high-quality metal. Along with an upgraded locking mechanism, which ensures the ultra-stable connection between the...
  • Wide Adaptability: The phone holders for your car can place directly for iPhone 17, 17 pro, 17 pro max, iPhone 16, 16 pro, 16 pro max, iPhone 15, 15 Pro, 15 Pro Max, 15 Plus,14, 14 Pro, 14 Pro Max, 14 Plus, iPhone 13, 13 Pro, 13 Pro Max, 13 Mini, iPhone...
  • Easy to Place & Adjust: More convenient than clamp arm car phone mount holder, pick and place your phone in just one step on Lamicall magnetic phone holder for car. 360 Degree Adjustable & Rotatable Ball Joint allows you the best viewing angle easily...
  • Considerable Details: Compact and lightweight design of this magnet cell phone holder car for car reduce the burden on the air vent and the blocking to the airflow. Superior materials make the for magsafe phone holder for car durable. The rubber pad...
No. 8
Coolpow【2 Packs Magnetic Phone Holder for Car【Strong Magnet】 Phone Holders for Your Car Phone Holder...
  • 【2-PACK Super Magnetic Phone Holder】: This powerful magnetic phone holder can create a powerful attraction that firmly supports your device while allowing you to drive without distraction.
  • 【SUPER STICK FORCE】:VHB adhesive provides strong stick force between the dashboard and the car phone holder, which can firmly stick to any plane in the car, fix your device, adapt to a variety of road conditions such as sudden braking, speed bump, and...
  • 【SAFE DRIVING VIEW】:Mini-size, not taking up space, it is placed in the dashboard without blocking the view at all, and does not need to look down at the device to ensure your safe driving.
  • 【360 ° Rotation】: This phone mount for car can rotate 360 degrees, you can rotate it and adjust the angle of the phone holder to provide the best viewing angle. The phone can be placed and taken out with one hand, and the phone menu can be easily...
  • 【WIDE COMPATIBILITY】:Compatible with: For iPhone 17 Pro Max/ 17 Pro/ 17 Air/ 17/ iPhone 16 Pro Max/ 16 Pro/ 16 Plus/ 16 / 15 Pro Max/ 15 Pro/ 15 Plus/ 15/14 Pro Max/ 14 Pro/ 14 Plus/ 14/ 13 Pro Max/ 13 Pro/ 13/ 13 mini/ 12 Pro Max/ 12 Pro...
  • Please ensure to use it with the included metal plates (for the iPhone 12-17 series) and affix them outside your phone case
SaleNo. 9
Coolpow for MagSafe Car Mount【Windshield+Vent+Dash】Magnetic Phone Holder for Car Phone Holder Mount Cell...
  • ✅【2 in 1 fits Magsafe Magnetic Cell Phone Holder for Car】 - You are not sure which mounting method is more suitable for your car? No worries! 2 base suction cup/vent mount base magnetic car mount for flexible placement. Horizontal and vertical...
  • ✅【STRONG MAGNETIC MagSafe Car Mount】 - This powerful magnetic phone holder can create a powerful attraction that firmly supports your device while allowing you to drive without distraction. it easily and securely holds your phone through bumps...
  • ✅【Adjust Car Holder Mount As You Wish】 - The ball joint and arm of this mobile phone car mount are 10 x sturdier than normal ones. Adjustable 270° Telescopic Arm/360° Rotation Ball Joint/Extendable Arm, allow you to rotate your phone to landscape...
  • ✅【Secure Stable Install】 - The car cell phone mount features an extra strong suction cup . the reusable suction cup attaches firmly to the car windshield directly reusable suction cup combo provide a powerful hold and superior sticking strength on...
  • ✅【Optimal Alternative GPS Car Mount】: Thanks to the strong Nano gel suction cup, suction GPS car mount will mount your Garmin GPS steadily in the ideal viewing position. For All Garmin Nuvi GPS: Such as...
  • ✅【dash mounting kits, For Every Situation】: 1 * MagSafe Car Mount; 1 * Sticky Suction Cup Base; 1 * Sturdy Vent Clip; 1 * Thick metal ring; 1 * Considerate User Manual.
  • We offer prompt efficient after sale service to ensure a happy purchasing. For any issue among the using of our product, you are warmly welcomed to contact us by e-mail. Our professional customer service is always there for your until you are satisfied...
SaleNo. 10
LISEN Magnetic Phone Holder for Car, Car Phone Holder Magnetic with Upgraded Clip & Ultra 6 Strong Magnets...
  • UPGRADE HOOK CLIP:The "hook shape" of this car phone holder mount creates "three gripping places" that firmly grasp the air outlet blades. Even when driving on uneven roads, it won't come off. The magentic car phone mount was created for innovation and...
  • EASY TO INSTALL: Due to the unique hook clip design, this car magnet phone mount is incredibly simple to install. Simply place it on the air outlet blade of the car and flip the knob to change the clip's length to fit the socket. The installation is...
  • CONVINCING QUALITY & UNIVERSAL COMPATIBILITY: LISEN phone magnet for car won SGS RoHS & SGS CP65 official certification and passed the magnetic force, telephone signal, hook stability and ingredient safety test. Quality is strictly controlled. The car...
  • OFFICIAL CERTIFIED& WIDELY COMPATIBLE: LISEN magnet phone holder for car is officially certified by SGS RoHS and SGS CP65, and has passed tests for magnetism, phone signal, hook stability and ingredient safety. The quality-controlled car mount is...
  • 10X EASIER USING: This magnetic phone holders for your car has no buttons, making it simple to use when compared to the clip phone holder. Magnetic attachment simply place the phone close to the holder base, and it will be rapidly absorbed and securely...
  • The metal piece should not be placed between the case and the phone, which will cause the magnetic force to become weak and reduce the stability of the holder. And only for square air vents, not for round air vents, e.g. Mercedes-Benz full series, Kia EV...

Last update on 2026-08-24 / Affiliate links / Images from Amazon Product Advertising API

How to Choose the Best magnetic car phone holder

Mounting Stability and Type

The stability of a magnetic car phone holder is paramount, directly influenced by its mounting mechanism. Dash-mounted options, like the Kaistyle and Romuto holders, typically utilize VHB adhesive, known for creating a strong, semi-permanent bond with the dashboard. Users report that this type of adhesive provides excellent stability on flat, clean surfaces. More advanced systems, such as the ANDERY and MiiKARE models, incorporate a vacuum suction cup alongside adhesive, allowing for a more robust and often repositionable attachment that can handle rougher roads. For those preferring less permanent fixture or specific dashboard textures, vent-mounted holders like the VICSEED for MagSafe offer an alternative, clipping directly onto air conditioning vents. The main difference is that vent mounts are easier to remove and reattach but can sometimes obstruct airflow or sag with heavier phones over time.

Magnetic Strength and Device Compatibility

The effectiveness of a magnetic holder hinges on its magnetic strength and how well it interfaces with your device. Products like the Kaistyle and VICSEED holders are explicitly designed for MagSafe-compatible iPhones (12 series and newer), featuring integrated magnets that align perfectly. These typically use a specific number of magnets, such as Kaistyle's 20 strong magnets or VICSEED's 20 wider Rb magnets, to ensure a firm hold without the need for additional accessories. In contrast, universal magnetic holders, including the Romuto 2-pack, require the use of a metal plate affixed to the back of your phone or case. While this offers broader compatibility across all smartphone brands and models, it means non-MagSafe phones or MagSafe iPhones without the plate won't experience the direct magnetic attraction. High-performance models like the ANDERY (with 22 N55 magnets) and MiiKARE (with N52 magnets and 2800GF pull force) emphasize their superior magnetic capabilities, crucial for heavier phones or vigorous driving conditions.

Adjustability and Ergonomics

Optimizing your viewing angle is key for safety and convenience. Most magnetic car phone holders offer some degree of adjustability, but the extent varies significantly. Models like the ANDERY and MiiKARE provide extensive flexibility with 360° rotating bases and multi-axis adjustments (ANDERY offers 210° dual-axis folding, MiiKARE boasts 270° tilt). This allows users to precisely position their phone in portrait or landscape orientation and adjust the arm to avoid glare or obstruction. Simpler dash mounts, like the Kaistyle, may offer less articulation, typically relying on a ball joint for basic angle changes. In practice, greater adjustability means the holder can accommodate a wider range of dashboard designs and user preferences, ensuring the phone screen is always comfortably within view without impeding driving visibility. A compact design, as highlighted by MiiKARE, also minimizes visual clutter on the dashboard.

Pros & Cons

Kaistyle for Magsafe Car Mount【20 Strong Magnets】Magnetic Phone Holder for Car Phone Holder Mount Dash Mounted Holders Cell Phone Holders for Your Car Accessories for Women Men for iPhone 17 16 15 14

Pros

  • Specifically designed for MagSafe iPhones, ensuring optimal alignment and strong hold.
  • Utilizes VHB Dash Mounted Holders adhesive for a very strong and stable dashboard attachment.
  • Features 20 strong magnets for reliable phone retention.

Cons

  • Primarily designed for MagSafe, potentially limiting compatibility for non-MagSafe devices without an adapter.
  • Mounting is limited to dashboard surfaces, lacking versatility for vent or windshield applications.

ANDERY Car Phone Holder for Magsafe [78+LBS Strongest Suction & 2400gf Strongest Magnetic] 360° Adjustable Car Phone Mount, Phone Holders for Your Car for iPhone All Smartphones, Valentine's Day Gifts

Pros

  • Boasts 78+LBS strongest suction and 2400gf strongest magnetic force with 22 N55 magnets for exceptional stability.
  • Offers extensive adjustability with 360° rotation and 210° dual-axis folding for optimal viewing angles.
  • Secure adhesive-suction mounting system provides a robust and reliable grip.

Cons

  • The adhesive-suction system, while strong, may require careful removal to prevent residue or damage to surfaces.
  • The advanced features and robust construction might position it at a higher price point compared to basic models.

【 2-Pack 】 Magnetic Phone Holder for Car Dashboard【Strong Magnet】iPhone Magnetic Phone Mount for Car Phone Holder 【4 Metal Plate】Cell Phone Holders for Your Car Mount for iPhone 16 Pro Max 15 14 13 12

Pros

  • Comes as a convenient 2-pack, offering good value for multiple vehicles or users.
  • Provides a powerful magnetic attraction capable of holding various phone sizes securely.
  • Employs VHB adhesive for a super strong and dependable stick force to the dashboard.

Cons

  • Requires the use of an included metal plate for any device, including MagSafe iPhones, which can be less convenient for MagSafe users.
  • Mounting is exclusively dashboard-based, limiting flexibility for other car interior locations.

Common Mistakes to Avoid

Overlooking Mounting Surface Compatibility

A frequent error is purchasing a magnetic car phone holder without considering the specific surface it will attach to. For instance, models like the Kaistyle and Romuto rely on VHB adhesive, which performs best on smooth, flat dashboard areas. Attempting to mount these on textured, curved, or porous surfaces can lead to a weak bond and frequent dislodging of the phone. Conversely, products like the ANDERY and MiiKARE, with their combined adhesive and vacuum suction systems, offer greater flexibility and grip on slightly irregular surfaces, but still require a clean, relatively flat area for the suction cup to seal effectively. Users often overlook the need to clean the surface thoroughly before installation, which is critical for the 'SUPER STICK FORCE' advertised by many.

Misunderstanding MagSafe vs. Universal Magnetic Compatibility

Another common pitfall is misunderstanding the magnetic compatibility. Holders 'Designed for Magsafe' like the Kaistyle, ANDERY, and VICSEED are optimized for iPhone 12 series and newer, leveraging their built-in magnetic rings. These typically offer a seamless attachment. However, the Romuto holder explicitly states, 'Any device even iPhone 16/15/14/13/12 must use the included metal plate.' Failing to use the metal plate with such universal holders, or attempting to use a MagSafe-specific holder with a non-MagSafe phone without an adapter, will result in a weak or non-existent magnetic connection, leading to the phone falling off.

Underestimating Magnetic Strength for Device Weight

Users sometimes underestimate the magnetic strength required for their specific phone and case combination. While many products claim 'STRONG MAGNETIC' or 'SUPER MAGNETIC Phone Holder,' the actual pull force (e.g., MiiKARE's 2800GF or ANDERY's 2400gf) varies. Heavier phones, especially those with robust protective cases, demand a higher magnetic pull to remain secure over bumps and turns. A common mistake is assuming all 'strong' magnets are equal, when in practice, a holder with fewer or weaker magnets might struggle with a large iPhone Pro Max or an Android phone with a thick case, leading to instability or detachment during driving.

Frequently Asked Questions

How do MagSafe-specific holders differ from universal magnetic holders?
MagSafe-specific holders, like those from Kaistyle or VICSEED, are designed to align perfectly with the internal magnets of iPhone 12 series and newer, offering a direct, strong connection without extra accessories. Universal magnetic holders, such as the Romuto 2-pack, require a metal plate to be affixed to your phone or case to enable magnetic attachment for any smartphone model.
What's the significance of 'N55' or 'N52' magnets in these products?
N55 and N52 refer to the grade of neodymium magnets used, indicating their magnetic strength. N55 magnets, as seen in the ANDERY holder, are among the strongest commercially available, offering superior pull force. N52 magnets, used by MiiKARE, are also very powerful, providing excellent holding capability for heavier devices and ensuring stability on rough roads.
Can magnetic car phone holders interfere with my phone's functions or the car's electronics?
Modern magnetic car phone holders are generally safe for smartphones and car electronics. The magnets are typically shielded to prevent interference with GPS or cellular signals. However, avoid placing credit cards or hotel key cards directly between the phone and the magnet, as their magnetic strips could be demagnetized.
What are the best mounting options for different dashboard types?
For smooth, flat dashboards, VHB adhesive mounts (like Kaistyle or Romuto) offer a very strong, semi-permanent bond. For slightly textured or curved dashboards, or if you prefer repositionability, models combining adhesive with a vacuum suction cup, such as ANDERY or MiiKARE, provide a more adaptable and secure grip. Vent mounts (e.g., VICSEED) are ideal for textured dashboards where adhesive won't stick, but may obstruct airflow.
Do all magnetic car phone holders work with phone cases?
Most magnetic car phone holders work with cases, but the effectiveness depends on the case thickness and whether it has integrated MagSafe compatibility. For universal holders (like Romuto), the metal plate is typically applied to the outside or inside of the case. For MagSafe-specific holders, a MagSafe-compatible case is recommended to maintain optimal magnetic strength; very thick cases might weaken the connection.