# TumuBook vs Bookstacks

The clearest difference is ads: TumuBook at none against Bookstacks's shown. Bookstacks's advantage is update cadence (daily vs every 3 weeks) and iOS requirement (16.0 vs 18.0). On price, 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.

TumuBook ships an update every 3 weeks, Bookstacks daily. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | TumuBook | Bookstacks |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Daily** |
| Size | 5 MB | 25 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tomoko Okada](https://appshunter.io/developer/1851438263) | [Kenta Takeuchi](https://appshunter.io/developer/1879746418) |

## What reviewers say

### TumuBook

[App page](https://appshunter.io/ios/app/tumubook/id6756200064)

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

**In-app purchases:** none


### Bookstacks

[App page](https://appshunter.io/ios/app/bookstacks/id6760252143)

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

**In-app purchases:** none


## Frequently asked questions

### Is TumuBook free?

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

### Is Bookstacks free?

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

### Do TumuBook or Bookstacks have ads?

Bookstacks shows ads; TumuBook does not.

### Which is updated more often, TumuBook or Bookstacks?

TumuBook ships an update every 3 weeks, and Bookstacks daily. Most recently, TumuBook was updated on October 28, 2026 and Bookstacks on October 25, 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.*