# TesDisplay vs Testars Tool

The clearest difference is rating: TesDisplay at 2.4 against Testars Tool's 1.0. TesDisplay also leads on review sentiment (24% vs 0%) and ratings volume (46 vs 2). Testars Tool's advantage is in-app purchases (none vs 1) and update cadence (weekly vs every 2 months). On price, ads and device support there is nothing between them.

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

TesDisplay holds the better App Store score, 2.4 against 1.0. That said, the two scores are not equally well evidenced: TesDisplay has 46 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 24% of TesDisplay's written reviews are positive against 0% of Testars Tool's.

TesDisplay ships an update every 2 months, Testars Tool weekly. The most recent releases landed on July 28, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | TesDisplay | Testars Tool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.4 (46 ratings)](https://appshunter.io/ios/app/tesdisplay-screen-mirror/id6469987744/reviews)** | [1.0 (2 ratings)](https://appshunter.io/ios/app/testars-tool/id6504078266/reviews) |
| Number of ratings | **46** | 2 |
| Positive reviews | **24.1% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 23 MB | 115 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [TCool LTD.](https://appshunter.io/developer/1711330864) | [Shenzhen Niubaite Information Technology Company Limited](https://appshunter.io/developer/1625817561) |

## 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 |


### Testars Tool

[App page](https://appshunter.io/ios/app/testars-tool/id6504078266)

Enhance your Tesla experience by adding customizable physical buttons to control original vehicle functions. Enjoy a 3D dashboard with real-time CAN data and access a vast library of quick commands. Supports multiple vehicle models and offers OTA hardware upgrades.

**Highlights:** Add physical buttons for Tesla functions, Customizable original vehicle controls, Model S/X style 3D dashboard, Real-time CAN data, no delay, Support for multiple vehicle models, Extensive quick command library, OTA hardware upgrades via Bluetooth

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TesDisplay free?

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

### Is Testars Tool free?

Testars Tool is free to download, with no in-app purchases.

### Which has better reviews, TesDisplay or Testars Tool?

TesDisplay is rated higher. TesDisplay averages 2.4 out of 5 from 46 ratings, while Testars Tool averages 1.0 from 2 ratings.

### Do TesDisplay or Testars Tool have ads?

Neither TesDisplay nor Testars Tool shows ads.

### Which is updated more often, TesDisplay or Testars Tool?

TesDisplay ships an update every 2 months, and Testars Tool weekly. Most recently, TesDisplay was updated on July 28, 2026 and Testars Tool on September 11, 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.*