# 一年级数学认时间 vs KnowClock

The clearest difference is in-app purchases: 一年级数学认时间 at none against KnowClock's 3. 一年级数学认时间 also leads on iOS requirement (10.0 vs 16.0). KnowClock's advantage is update cadence (fortnightly vs every 10 months). 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. 一年级数学认时间 asks for nothing beyond the download.

一年级数学认时间 ships an update every 10 months, KnowClock fortnightly. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 一年级数学认时间 | KnowClock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Fortnightly** |
| Size | 102 MB | 11 MB |
| Requires iOS | **10.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [涛 陈](https://appshunter.io/developer/1509220765) | [中周 王](https://appshunter.io/developer/1611287450) |

## What reviewers say

### 一年级数学认时间

[App page](https://appshunter.io/ios/app/id1029734337)

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

**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 | $2.99 | per year |
| 终身解锁 | $4.99 | one-time |


## Frequently asked questions

### Is 一年级数学认时间 free?

一年级数学认时间 is free to download, with no in-app purchases.

### Is KnowClock free?

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

### Do 一年级数学认时间 or KnowClock have ads?

Neither 一年级数学认时间 nor KnowClock shows ads.

### Which is updated more often, 一年级数学认时间 or KnowClock?

一年级数学认时间 ships an update every 10 months, and KnowClock fortnightly. Most recently, 一年级数学认时间 was updated on November 1, 2026 and KnowClock 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.*