# 留子VPN vs AI Chatbot

The clearest difference is update cadence: AI Chatbot at every 9 days against 留子VPN's every 20 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 留子VPN sells 2 in-app purchases, starting at $2.99 per month and AI Chatbot sells 4 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

留子VPN ships an update every 20 months, AI Chatbot every 9 days. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 留子VPN | AI Chatbot |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.3 (3 ratings)](https://appshunter.io/ios/app/ai-chatbot-watch/id6743657146/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 9 days** |
| Monetization | — | Free with in-app purchases |
| Size | 57 MB | 4 MB |
| Requires iOS | **16.6** | 17.6 |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 12+ |
| Developer | [北京小树科技有限公司](https://appshunter.io/developer/1676915506) | [Nils Steffmann](https://appshunter.io/developer/1729068286) |

## What reviewers say

### 留子VPN

[App page](https://appshunter.io/ios/app/vpn/id6737575923)

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 30天订阅，自动续订 | $2.99 | per month |
| 365天订阅，自动续订 | $29.99 | per year |


### AI Chatbot

[App page](https://appshunter.io/ios/app/ai-chatbot-watch/id6743657146)

Access a powerful AI assistant directly on your wrist. Get instant answers, solve problems, and receive recommendations through voice commands. This app serves as your convenient personal assistant for information on the go.

**Highlights:** AI-powered answers, Voice dictation support, Instant information access, Personal assistant on wrist, Problem-solving capabilities

**Features:** Family Sharing, Apple Watch app

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WatchChat+ | $0.99 | per month |
| WatchChat+ (Weekly) | $1.99 | per 7 days |
| Watch Chat+ (Monthly) | $6.99 | per month |
| WatchChat+ (Yearly) | $24.99 | per year |


## Frequently asked questions

### Is 留子VPN free?

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

### Is AI Chatbot free?

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

### Do 留子VPN or AI Chatbot have ads?

Neither 留子VPN nor AI Chatbot shows ads.

### Which is updated more often, 留子VPN or AI Chatbot?

留子VPN ships an update every 20 months, and AI Chatbot every 9 days. Most recently, 留子VPN was updated on October 27, 2026 and AI Chatbot on October 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.*