# WatchAI vs AI Link

The clearest difference is device support: AI Link at 4 against WatchAI's 2. AI Link also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. WatchAI sells 2 in-app purchases, starting at $0.99 per month and AI Link sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on November 5, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | WatchAI | AI Link |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | Every 5 days |
| Size | 26 MB | 47 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 17+ | 17+ |
| Developer | [济坤 任](https://appshunter.io/developer/6784879603) | [高远 王](https://appshunter.io/developer/6819496969) |

## What reviewers say

### WatchAI

[App page](https://appshunter.io/ios/app/watchai-pdf-and-document-chat/id6784900895)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WatchAI Pro Monthly | $0.99 | per month |
| WatchAI Pro | $9.99 | one-time |


### AI Link

[App page](https://appshunter.io/ios/app/ai-link/id6819497731)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI Link 永久解锁 | Free | one-time |
| 7-day Trial | Free | one-time |


## Frequently asked questions

### Is WatchAI free?

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

### Is AI Link free?

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

### Do WatchAI or AI Link have ads?

Neither WatchAI nor AI Link shows ads.

### Which is updated more often, WatchAI or AI Link?

WatchAI ships an update every 5 days, and AI Link every 5 days. Most recently, WatchAI was updated on November 5, 2026 and AI Link on November 10, 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.*