# AI vs CHW Watch

The clearest difference is update cadence: AI at daily against CHW Watch's every 2 weeks. CHW Watch's advantage is iOS requirement (13.0 vs 15). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

AI ships an update daily, CHW Watch every 2 weeks. The most recent releases landed on June 6, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | AI | CHW Watch |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 2 weeks |
| Size | 4 MB | 26 MB |
| Requires iOS | 15 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [CHIH TA LEE](https://appshunter.io/developer/1745435285) | [Shih You tzu](https://appshunter.io/developer/1792443758) |

## What reviewers say

### AI

[App page](https://appshunter.io/ios/app/ai-bcva/id6502425136)

**Features:** macOS Compatibility

**In-app purchases:** none


### CHW Watch

[App page](https://appshunter.io/ios/app/chw-watch/id6740995334)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AI free?

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

### Is CHW Watch free?

CHW Watch is free to download, with no in-app purchases.

### Do AI or CHW Watch have ads?

Neither AI nor CHW Watch shows ads.

### Which is updated more often, AI or CHW Watch?

AI ships an update daily, and CHW Watch every 2 weeks. Most recently, AI was updated on June 6, 2026 and CHW Watch on September 5, 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.*