# 蔵書管理 vs Passim｜蔵書管理・本棚整理・読書記録

The clearest difference is update cadence: Passim｜蔵書管理・本棚整理・読書記録 at every 3 weeks against 蔵書管理's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 蔵書管理 sells 1 one-off in-app purchase and Passim｜蔵書管理・本棚整理・読書記録 sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

蔵書管理 ships an update every 3 months, Passim｜蔵書管理・本棚整理・読書記録 every 3 weeks. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 蔵書管理 | Passim｜蔵書管理・本棚整理・読書記録 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 38 MB | 73 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [naoto higashiya](https://appshunter.io/developer/1859691605) | [MODALAVA](https://appshunter.io/developer/1891578566) |

## What reviewers say

### 蔵書管理

[App page](https://appshunter.io/ios/app/isbn/id6756271812)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告非表示 | $1.99 | one-time |


### Passim｜蔵書管理・本棚整理・読書記録

[App page](https://appshunter.io/ios/app/passim/id6761805831)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Passim Pro Monthly | $4.99 | per month |
| Passim Pro Yearly | $49.99 | per year |


## Frequently asked questions

### Is 蔵書管理 free?

蔵書管理 is free to download, with in-app purchases available.

### Is Passim｜蔵書管理・本棚整理・読書記録 free?

Passim｜蔵書管理・本棚整理・読書記録 is free to download, with in-app purchases available.

### Do 蔵書管理 or Passim｜蔵書管理・本棚整理・読書記録 have ads?

Both 蔵書管理 and Passim｜蔵書管理・本棚整理・読書記録 show ads.

### Which is updated more often, 蔵書管理 or Passim｜蔵書管理・本棚整理・読書記録?

蔵書管理 ships an update every 3 months, and Passim｜蔵書管理・本棚整理・読書記録 every 3 weeks. Most recently, 蔵書管理 was updated on November 5, 2026 and Passim｜蔵書管理・本棚整理・読書記録 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.*