# 通通电话短信 vs 知我 AI

The clearest difference is in-app purchases: 知我 AI at none against 通通电话短信's 5. 知我 AI also leads on update cadence (every 2 weeks vs every 6 weeks). 通通电话短信's advantage is iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. 通通电话短信 sells 5 one-off in-app purchases. 知我 AI asks for nothing beyond the download.

通通电话短信 ships an update every 6 weeks, 知我 AI every 2 weeks. The most recent releases landed on October 9, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 通通电话短信 | 知我 AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Size | 18 MB | 3 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [雄飞 杨](https://appshunter.io/developer/1756932740) | [杰栋 何](https://appshunter.io/developer/1896629335) |

## What reviewers say

### 通通电话短信

[App page](https://appshunter.io/ios/app/id6541758375)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 账户充值 | $0.99 | one-time |
| 普通短信 | $0.99 | one-time |
| 账户充值 | $2.99 | one-time |
| 账户充值 | $4.99 | one-time |
| 账户充值 | $9.99 | one-time |


### 知我 AI

[App page](https://appshunter.io/ios/app/ai/id6780978880)

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

**In-app purchases:** none


## Frequently asked questions

### Is 通通电话短信 free?

通通电话短信 is free to download, with in-app purchases available.

### Is 知我 AI free?

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

### Do 通通电话短信 or 知我 AI have ads?

Neither 通通电话短信 nor 知我 AI shows ads.

### Which is updated more often, 通通电话短信 or 知我 AI?

通通电话短信 ships an update every 6 weeks, and 知我 AI every 2 weeks. Most recently, 通通电话短信 was updated on October 9, 2026 and 知我 AI on October 8, 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.*