# Teri vs Testars Tool

The clearest difference is review sentiment: Teri at 47% against Testars Tool's 0%. Teri also leads on rating (4.3 vs 1.0) and ratings volume (279 vs 2). Testars Tool's advantage is in-app purchases (none vs 10) and iOS requirement (12.0 vs 16.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Teri sells 10 in-app purchases, starting at $3.99 per 7 days. Testars Tool asks for nothing beyond the download.

Teri holds the better App Store score, 4.3 against 1.0. That said, the two scores are not equally well evidenced: Teri has 279 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 47% of Teri's written reviews are positive against 0% of Testars Tool's.

Teri ships an update every 11 days, Testars Tool weekly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Teri | Testars Tool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (279 ratings)](https://appshunter.io/ios/app/teri-watch-app-for-tesla/id1583902261/reviews)** | [1.0 (2 ratings)](https://appshunter.io/ios/app/testars-tool/id6504078266/reviews) |
| Number of ratings | **279** | 2 |
| Positive reviews | **46.5% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 11 days | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 127 MB | 115 MB |
| Requires iOS | 16.6 | **12.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Kuang Lin](https://appshunter.io/developer/1583902263) | [Shenzhen Niubaite Information Technology Company Limited](https://appshunter.io/developer/1625817561) |

## What reviewers say

### Teri

[App page](https://appshunter.io/ios/app/teri-watch-app-for-tesla/id1583902261)

Control your Tesla directly from your Apple Watch, create custom light shows synchronized to music, and monitor your vehicle's battery status, range, and charging. It also helps you locate your car and check if windows were left open.

**Highlights:** Apple Watch Tesla control, Customizable light show creator, Battery status and range monitoring, Car locator, Window status check

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly subscription | $3.99 | per 7 days |
| Monthly Plan | $5.99 | per month |
| Weekly Subscription | $5.99 | per 7 days |
| Campaign R | $19.99 | per year |
| Annual Plan | $32.99 | per year |
| Annual subscription Plan | $34.99 | per year |
| Lifetime F | Free | one-time |
| Lifetime | $19.99 | one-time |
| Lifetime | $42.99 | one-time |
| Lifetime | $59.99 | one-time |

**What reviewers like**

- 👍 Great UI design
- 🚀 Works as described (sometimes)
- 👍 Developer is responsive
- 👍 Intuitive and easy to use
- 👍 Good integration with Siri

**What reviewers complain about**

- 😞 Subscription required for full use
- 😞 Doesn't work without internet
- 😞 App not functioning
- 😞 Lost connection after purchase
- 😞 Blank page on initial setup

**Reported bugs**

- App not functioning
- Lost connection after purchase
- Blank page on initial setup
- App keeps crashing
- Numerous bugs, glitches

**Requested features**

- Add widget for iOS
- Complication for battery range on Apple Watch
- Automated or photo/video instructions on pairing Apple Watch
- Easier to use Apple Watch app without manual start
- Add sunroof control for Model S


### 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 Teri free?

Teri 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, Teri or Testars Tool?

Teri is rated higher. Teri averages 4.3 out of 5 from 279 ratings, while Testars Tool averages 1.0 from 2 ratings.

### Do Teri or Testars Tool have ads?

Neither Teri nor Testars Tool shows ads.

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

Teri ships an update every 11 days, and Testars Tool weekly. Most recently, Teri was updated on November 3, 2026 and Testars Tool on October 30, 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.*