# 知知丫丫 vs MongolAI

The clearest difference is in-app purchases: 知知丫丫 at none against MongolAI's 3. 知知丫丫 also leads on iOS requirement (12.0 vs 15.6). MongolAI's advantage is update cadence (every 5 days vs every 2 weeks). On price, ads and device support there is nothing between them.

Both are free to download. MongolAI sells 3 one-off in-app purchases. 知知丫丫 asks for nothing beyond the download.

知知丫丫 ships an update every 2 weeks, MongolAI every 5 days. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 知知丫丫 | MongolAI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Size | 113 MB | 35 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Beijing Zhizhi Yaya Technology Co., Ltd](https://appshunter.io/developer/1725079838) | [YouTeacher Inc.](https://appshunter.io/developer/423093933) |

## What reviewers say

### 知知丫丫

[App page](https://appshunter.io/ios/app/id6475754527)

**Features:** macOS Compatibility

**In-app purchases:** none


### MongolAI

[App page](https://appshunter.io/ios/app/mongolai-mongolian-voice/id6757733508)

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1,500 Points | $1.49 | one-time |
| 3,000 Points | $2.99 | one-time |
| 6,000 Points | $5.99 | one-time |


## Frequently asked questions

### Is 知知丫丫 free?

知知丫丫 is free to download, with no in-app purchases.

### Is MongolAI free?

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

### Do 知知丫丫 or MongolAI have ads?

Neither 知知丫丫 nor MongolAI shows ads.

### Which is updated more often, 知知丫丫 or MongolAI?

知知丫丫 ships an update every 2 weeks, and MongolAI every 5 days. Most recently, 知知丫丫 was updated on October 25, 2026 and MongolAI on October 31, 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.*