# 予定をお知らせ vs Passim｜蔵書管理・本棚整理・読書記録

The clearest difference is in-app purchases: 予定をお知らせ at none against Passim｜蔵書管理・本棚整理・読書記録's 2. 予定をお知らせ also leads on update cadence (every 9 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Passim｜蔵書管理・本棚整理・読書記録 sells 2 in-app purchases, starting at $4.99 per month. 予定をお知らせ asks for nothing beyond the download.

予定をお知らせ ships an update every 9 days, Passim｜蔵書管理・本棚整理・読書記録 every 3 weeks. The most recent releases landed on October 25, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | 予定をお知らせ | Passim｜蔵書管理・本棚整理・読書記録 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Size | 66 MB | 73 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shintaro Nishii](https://appshunter.io/developer/1595084568) | [MODALAVA](https://appshunter.io/developer/1891578566) |

## What reviewers say

### 予定をお知らせ

[App page](https://appshunter.io/ios/app/id1597579619)

**Features:** Vision Pro support

**In-app purchases:** none


### 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 予定をお知らせ free?

予定をお知らせ is free to download, with no in-app purchases.

### 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 予定をお知らせ or Passim｜蔵書管理・本棚整理・読書記録 have ads?

Both 予定をお知らせ and Passim｜蔵書管理・本棚整理・読書記録 show ads.

### Which is updated more often, 予定をお知らせ or Passim｜蔵書管理・本棚整理・読書記録?

予定をお知らせ ships an update every 9 days, and Passim｜蔵書管理・本棚整理・読書記録 every 3 weeks. Most recently, 予定をお知らせ was updated on October 25, 2026 and Passim｜蔵書管理・本棚整理・読書記録 on October 17, 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.*