# 华数ESO vs TCat

The clearest difference is price: 华数ESO at Free against TCat's $2.99. TCat's advantage is ads (none vs shown) and update cadence (every 2 weeks vs every 2 months). On in-app purchases and device support there is nothing between them.

华数ESO is free to download; TCat costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

华数ESO ships an update every 2 months, TCat every 2 weeks. The most recent releases landed on September 15, 2026 and August 24, 2026 respectively.

## The numbers

| Metric | 华数ESO | TCat |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/tcat-watch-version/id6447512918/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | — | Paid |
| Size | 15 MB | 19 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPod, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [孝顺 陈](https://appshunter.io/developer/1035481915) | [邵阳 刘](https://appshunter.io/developer/1678421391) |

## What reviewers say

### 华数ESO

[App page](https://appshunter.io/ios/app/eso/id1234946859)

**Features:** macOS Compatibility

**In-app purchases:** none


### TCat

[App page](https://appshunter.io/ios/app/tcat-watch-version/id6447512918)

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.

**Highlights:** Open all four car doors, Open the trunk, Customizable button operations, Single-button door and trunk opening, Pure Bluetooth connection, Independent iPhone use

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is 华数ESO free?

华数ESO is free to download, with no in-app purchases.

### Is TCat free?

TCat costs $2.99, with no in-app purchases.

### Do 华数ESO or TCat have ads?

华数ESO shows ads; TCat does not.

### Which is updated more often, 华数ESO or TCat?

华数ESO ships an update every 2 months, and TCat every 2 weeks. Most recently, 华数ESO was updated on September 15, 2026 and TCat on August 24, 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.*