# BookDiary vs ComicCheck

The clearest difference is in-app purchases: ComicCheck at none against BookDiary's 1. ComicCheck also leads on update cadence (every 4 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. BookDiary sells 1 one-off in-app purchase. ComicCheck asks for nothing beyond the download.

BookDiary ships an update every 2 months, ComicCheck every 4 days. The most recent releases landed on September 22, 2026 and August 19, 2026 respectively.

## The numbers

| Metric | BookDiary | ComicCheck |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Size | 2 MB | 5 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [torankirite](https://appshunter.io/developer/1883564850) | [Tomoyuki Arai](https://appshunter.io/developer/6772524935) |

## What reviewers say

### BookDiary

[App page](https://appshunter.io/ios/app/bookdiary-reading-journal/id6765982985)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $3.99 | one-time |


### ComicCheck

[App page](https://appshunter.io/ios/app/comiccheck/id6772524933)

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

**In-app purchases:** none


## Frequently asked questions

### Is BookDiary free?

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

### Is ComicCheck free?

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

### Do BookDiary or ComicCheck have ads?

Neither BookDiary nor ComicCheck shows ads.

### Which is updated more often, BookDiary or ComicCheck?

BookDiary ships an update every 2 months, and ComicCheck every 4 days. Most recently, BookDiary was updated on September 22, 2026 and ComicCheck on August 19, 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.*