# Atlas學習助手 vs DiaryTutor

The clearest difference is ads: Atlas學習助手 at none against DiaryTutor's shown. DiaryTutor's advantage is update cadence (every 3 days vs every 3 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Atlas學習助手 ships an update every 3 weeks, DiaryTutor every 3 days. The most recent releases landed on September 8, 2026 and August 8, 2026 respectively.

## The numbers

| Metric | Atlas學習助手 | DiaryTutor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Size | 32 MB | 65 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [菁英國際文教事業股份有限公司](https://appshunter.io/developer/1033460991) | [YEN-HSUN LI](https://appshunter.io/developer/1894530013) |

## What reviewers say

### Atlas學習助手

[App page](https://appshunter.io/ios/app/atlas/id6443611842)

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

**In-app purchases:** none


### DiaryTutor

[App page](https://appshunter.io/ios/app/diarytutor/id6762529082)

**In-app purchases:** none


## Frequently asked questions

### Is Atlas學習助手 free?

Atlas學習助手 is free to download, with no in-app purchases.

### Is DiaryTutor free?

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

### Do Atlas學習助手 or DiaryTutor have ads?

DiaryTutor shows ads; Atlas學習助手 does not.

### Which is updated more often, Atlas學習助手 or DiaryTutor?

Atlas學習助手 ships an update every 3 weeks, and DiaryTutor every 3 days. Most recently, Atlas學習助手 was updated on September 8, 2026 and DiaryTutor on August 8, 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.*