# IMA学习平台 vs Dozora

The clearest difference is update cadence: Dozora at every 3 weeks against IMA学习平台's every 6 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

IMA学习平台 ships an update every 6 months, Dozora every 3 weeks. The most recent releases landed on October 3, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | IMA学习平台 | Dozora |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Size | 47 MB | 65 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Guangzhou Huisi Information Technology Co., Ltd.](https://appshunter.io/developer/1633018338) | [平 王](https://appshunter.io/developer/1741278980) |

## What reviewers say

### IMA学习平台

[App page](https://appshunter.io/ios/app/ima/id1660736133)

**Features:** macOS Compatibility

**In-app purchases:** none


### Dozora

[App page](https://appshunter.io/ios/app/dozora-sleep-tracker/id6762412999)

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

**In-app purchases:** none


## Frequently asked questions

### Is IMA学习平台 free?

IMA学习平台 is free to download, with no in-app purchases.

### Is Dozora free?

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

### Do IMA学习平台 or Dozora have ads?

Neither IMA学习平台 nor Dozora shows ads.

### Which is updated more often, IMA学习平台 or Dozora?

IMA学习平台 ships an update every 6 months, and Dozora every 3 weeks. Most recently, IMA学习平台 was updated on October 3, 2026 and Dozora on October 14, 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.*