# 幂学在线 vs GanJiang Timer

The clearest difference is in-app purchases: 幂学在线 at none against GanJiang Timer's 4. 幂学在线 also leads on iOS requirement (13.0 vs 15.0). GanJiang Timer's advantage is update cadence (every 2 days vs every 4 weeks). On price, ads and device support there is nothing between them.

Both are free to download. GanJiang Timer sells 4 in-app purchases, starting at $3.99 per month. 幂学在线 asks for nothing beyond the download.

幂学在线 ships an update every 4 weeks, GanJiang Timer every 2 days. The most recent releases landed on October 29, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 幂学在线 | GanJiang Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 2 days** |
| Size | 148 MB | 53 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [北京幂学教育科技有限公司](https://appshunter.io/developer/1242753877) | [显金 王](https://appshunter.io/developer/1896593904) |

## What reviewers say

### 幂学在线

[App page](https://appshunter.io/ios/app/id1242753878)

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

**In-app purchases:** none


### GanJiang Timer

[App page](https://appshunter.io/ios/app/ganjiang-timer/id6798547929)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.99 | per month |
| Quarterly | $9.99 | per 3 months |
| Semi-Annual | $19.99 | per 6 months |
| Yearly | $29.99 | per year |


## Frequently asked questions

### Is 幂学在线 free?

幂学在线 is free to download, with no in-app purchases.

### Is GanJiang Timer free?

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

### Do 幂学在线 or GanJiang Timer have ads?

Neither 幂学在线 nor GanJiang Timer shows ads.

### Which is updated more often, 幂学在线 or GanJiang Timer?

幂学在线 ships an update every 4 weeks, and GanJiang Timer every 2 days. Most recently, 幂学在线 was updated on October 29, 2026 and GanJiang Timer 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.*