TCat vs T
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TCat
Control your Tesla's doors and trunk directly from your Apple Watch. This app offers convenient, single-button operation for opening all four doors and the trunk simultaneously. It uses a Bluetooth connection and functions independently of your iPhone.
- Open all four car doors
- Open the trunk
- Customizable button operations
- Single-button door and trunk opening
- Pure Bluetooth connection
- Independent iPhone use
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Good Helper for Tesla Owners Different from the general mobile app, this app allows you to conveniently open the car doors (all four doors) using a Apple Watch, eliminating the need to manually press the door handles. It also supports customizable operations, such as setting it to simultaneously open the doors and open the trunk with a single button press. The app utilizes a pure Bluetooth connection and does not require an account or internet connection. The app can be used independently without iphone. Note: This application is only available and compatible with Apple Watch. Please ensure that your smartwatch system version is 9.0 or above for optimal use of this application. Currently supported brand: Tesla
T
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T-Chimes is a chimes library app designed specifically for Tesla owners, allowing you to customize your vehicle's lock chime with unique and personalized chimes. 【Key Features】 • Extensive Chimes Library: Hundreds of high-quality lock chimes in various styles including classic, sci-fi, funny, and musical themes, regularly updated • One-Click Download: Fast download of chime files with offline preview support • Custom Upload: Upload your own audio files to create personalized lock chimes • Bluetooth Provisioning: Quick device connection via Bluetooth for easy WiFi configuration • Device Management: Real-time device status monitoring and remote chime playback control • Favorites Management: Save your favorite chimes for quick access and use 【Use Cases】 • Add personalized lock chimes to your Tesla • Share and discover interesting chime resources • Create and upload unique chime creations • Manage chime configurations for multiple devices 【Highlights】 • Clean and beautiful interface with smooth, intuitive operation • High-quality chimes supporting multiple audio formats • Stable device connection with remote control support • Community sharing to discover more amazing chimes • Regular updates continuously enriching the chimes library T-Chimes is committed to providing Tesla owners with the most convenient and comprehensive lock chime experience. Whether you prefer classic chimes or creative custom chimes, we have everything you need. Download now and make your Tesla stand out!
Screenshots
Verdict
The clearest difference is price: T at Free against TCat's $2.99. TCat's advantage is iOS requirement (13.0 vs 16.0). On update cadence, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
T is free to download; TCat costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
TCat ships an update every 2 weeks, T fortnightly. The most recent releases landed on August 24, 2026 and September 17, 2026 respectively.
| Parameter | TCat | T |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 weeks — better | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPod, Apple Watch — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 19 MB | 76 MB |
| Age rating | 4+ | 17+ |
| Developer | 邵阳 刘 | qian du |
In-app purchases
TCat
No in-app purchases
T
No in-app purchases









