# DiaryTutor vs iSiShu

The clearest difference is price: DiaryTutor at Free against iSiShu's $0.99. DiaryTutor also leads on in-app purchases (none vs 1) and iOS requirement (13.0 vs 17.0). iSiShu's advantage is ads (none vs shown). On device support there is nothing between them.

DiaryTutor is free to download; iSiShu costs $0.99 up front. iSiShu sells 1 one-off in-app purchase. DiaryTutor asks for nothing beyond the download.

## The numbers

| Metric | DiaryTutor | iSiShu |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 days | — |
| Size | 65 MB | 27 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [YEN-HSUN LI](https://appshunter.io/developer/1894530013) | [天从 何](https://appshunter.io/developer/914453386) |

## What reviewers say

### DiaryTutor

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

**In-app purchases:** none


### iSiShu

[App page](https://appshunter.io/ios/app/isishu-four-books-classics/id6797013698)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Reward developers | $0.99 | one-time |


## Frequently asked questions

### Is DiaryTutor free?

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

### Is iSiShu free?

iSiShu costs $0.99, and also offers in-app purchases.

### Do DiaryTutor or iSiShu have ads?

DiaryTutor shows ads; iSiShu does not.

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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.*