# Bookstacks vs Honyomu

The clearest difference is in-app purchases: Bookstacks at none against Honyomu's 1. Bookstacks also leads on update cadence (daily vs every 3 days). Honyomu's advantage is ads (none vs shown) and device support (3 vs 1). On price and iOS requirement there is nothing between them.

Both are free to download. Honyomu sells 1 in-app purchase, starting at $1.99 per month. Bookstacks asks for nothing beyond the download.

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

## The numbers

| Metric | Bookstacks | Honyomu |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 3 days |
| Size | 25 MB | 19 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Kenta Takeuchi](https://appshunter.io/developer/1879746418) | [Daisaku Mori](https://appshunter.io/developer/1892935206) |

## What reviewers say

### Bookstacks

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

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

**In-app purchases:** none


### Honyomu

[App page](https://appshunter.io/ios/app/honyomu-reading-log/id6766919976)

**Features:** Apple Watch app, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hondoku Support Plan (Monthly) | $1.99 | per month |


## Frequently asked questions

### Is Bookstacks free?

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

### Is Honyomu free?

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

### Do Bookstacks or Honyomu have ads?

Bookstacks shows ads; Honyomu does not.

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

Bookstacks ships an update daily, and Honyomu every 3 days. Most recently, Bookstacks was updated on October 25, 2026 and Honyomu on October 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*