# Hachabi vs TSUNDOKU

The clearest difference is in-app purchases: Hachabi at none against TSUNDOKU's 3. TSUNDOKU's advantage is update cadence (every 2 days vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. TSUNDOKU sells 3 in-app purchases, starting at $0.99 per month. Hachabi asks for nothing beyond the download.

Hachabi ships an update every 6 weeks, TSUNDOKU every 2 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Hachabi | TSUNDOKU |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | **Every 2 days** |
| Size | 18 MB | 6 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Hiroki Konno](https://appshunter.io/developer/1492396857) | [HeberekeKomachi](https://appshunter.io/developer/1868863528) |

## What reviewers say

### Hachabi

[App page](https://appshunter.io/ios/app/hachabi/id1492396858)

**In-app purchases:** none


### TSUNDOKU

[App page](https://appshunter.io/ios/app/tsundoku/id6758754766)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| もっと！TSUNDOKUプラン（月額） | $0.99 | per month |
| もっと！TSUNDOKUプラン（年額） | $11.99 | per year |
| もっと！TSUNDOKUプラン（買い切り） | $24.99 | one-time |


## Frequently asked questions

### Is Hachabi free?

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

### Is TSUNDOKU free?

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

### Do Hachabi or TSUNDOKU have ads?

Both Hachabi and TSUNDOKU show ads.

### Which is updated more often, Hachabi or TSUNDOKU?

Hachabi ships an update every 6 weeks, and TSUNDOKU every 2 days. Most recently, Hachabi was updated on November 3, 2026 and TSUNDOKU 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.*