# TesDisplay vs Charge Key

The clearest difference is rating: Charge Key at 3.8 against TesDisplay's 2.5. Charge Key also leads on in-app purchases (none vs 1) and review sentiment (46% vs 26%). TesDisplay's advantage is device support (3 vs 1). On price, ratings volume, ads and iOS requirement there is nothing between them.

Both are free to download. TesDisplay sells 1 one-off in-app purchase. Charge Key asks for nothing beyond the download.

Charge Key holds the better App Store score, 3.8 against 2.5. Both are backed by a comparable volume of ratings — 47 and 32 respectively. Written reviews point the same way: 26% of TesDisplay's written reviews are positive against 46% of Charge Key's.

TesDisplay ships an update every 2 months, Charge Key every 3 weeks. The most recent releases landed on October 15, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | TesDisplay | Charge Key |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (47 ratings)](https://appshunter.io/ios/app/tesdisplay-screen-mirror/id6469987744/reviews) | **[3.8 (32 ratings)](https://appshunter.io/ios/app/charge-key/id6496853294/reviews)** |
| Number of ratings | **47** | 32 |
| Positive reviews | 25.8% of reviews | **46.2% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 23 MB | 23 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [TCool LTD.](https://appshunter.io/developer/1711330864) | [ChargeKey, LLC](https://appshunter.io/developer/1741149527) |

## What reviewers say

### TesDisplay

[App page](https://appshunter.io/ios/app/tesdisplay-screen-mirror/id6469987744)

Mirror your phone screen or cast videos to your Tesla's display. Enjoy navigation apps and entertainment for passengers while driving. Supports various video platforms and local files.

**Highlights:** Mirror phone screen to Tesla, Cast video to Tesla, Use navigation apps on Tesla screen, Play videos from various apps, Cast local video files, No extra internet traffic

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TesDisplay Pro | $4.99 | one-time |


### Charge Key

[App page](https://appshunter.io/ios/app/charge-key/id6496853294)

This platform allows you to unlock, lock, and start your vehicle remotely. It offers hands-free unlocking upon approach and navigation to your vehicle's location. The app prioritizes user privacy by not storing personal information and receiving data directly from the vehicle.

**Highlights:** Hands-free vehicle unlocking, Remote locking and starting, Vehicle location navigation, Privacy-focused data handling, Global accessibility

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TesDisplay free?

TesDisplay is free to download, with in-app purchases available.

### Is Charge Key free?

Charge Key is free to download, with no in-app purchases.

### Which has better reviews, TesDisplay or Charge Key?

Charge Key is rated higher. TesDisplay averages 2.5 out of 5 from 47 ratings, while Charge Key averages 3.8 from 32 ratings.

### Do TesDisplay or Charge Key have ads?

Neither TesDisplay nor Charge Key shows ads.

### Which is updated more often, TesDisplay or Charge Key?

TesDisplay ships an update every 2 months, and Charge Key every 3 weeks. Most recently, TesDisplay was updated on October 15, 2026 and Charge Key on October 1, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*