# 聪明派AI数学 vs KnowClock

The clearest difference is in-app purchases: 聪明派AI数学 at none against KnowClock's 3. 聪明派AI数学 also leads on iOS requirement (9.0 vs 16.0). KnowClock's advantage is update cadence (every 11 days vs every 6 weeks). On price, ads and device support there is nothing between them.

Both are free to download. KnowClock sells 3 in-app purchases, starting at $0.99 per month. 聪明派AI数学 asks for nothing beyond the download.

聪明派AI数学 ships an update every 6 weeks, KnowClock every 11 days. The most recent releases landed on October 10, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | 聪明派AI数学 | KnowClock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 11 days** |
| Size | 79 MB | 8 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Dora Education Technology Ltd.](https://appshunter.io/developer/1388891791) | [中周 王](https://appshunter.io/developer/1611287450) |

## What reviewers say

### 聪明派AI数学

[App page](https://appshunter.io/ios/app/ai/id1501817794)

**In-app purchases:** none


### KnowClock

[App page](https://appshunter.io/ios/app/knowclock-kids-clock/id6765656447)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月订阅 | $0.99 | per month |
| 年订阅 | $1.99 | per year |
| 终身解锁 | $2.99 | one-time |


## Frequently asked questions

### Is 聪明派AI数学 free?

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

### Is KnowClock free?

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

### Do 聪明派AI数学 or KnowClock have ads?

Neither 聪明派AI数学 nor KnowClock shows ads.

### Which is updated more often, 聪明派AI数学 or KnowClock?

聪明派AI数学 ships an update every 6 weeks, and KnowClock every 11 days. Most recently, 聪明派AI数学 was updated on October 10, 2026 and KnowClock on October 9, 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.*