# Reading Memory vs Libri 読書管理

The clearest difference is in-app purchases: Libri 読書管理 at none against Reading Memory's 2. Libri 読書管理 also leads on update cadence (every 3 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Reading Memory sells 2 in-app purchases, starting at $3.99 per month. Libri 読書管理 asks for nothing beyond the download.

Reading Memory ships an update every 2 months, Libri 読書管理 every 3 weeks. The most recent releases landed on November 5, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Reading Memory | Libri 読書管理 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Freemium | — |
| Size | 48 MB | 75 MB |
| Requires iOS | 26.0 | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kyoichi Taniguchi](https://appshunter.io/developer/1609440791) | [BasaApp Technologies](https://appshunter.io/developer/1712971435) |

## What reviewers say

### Reading Memory

[App page](https://appshunter.io/ios/app/reading-memory-book-tracker/id6751159926)

This app helps you build a consistent reading habit and retain information from the books you read. It allows you to track reading days, manage your to-read pile, and take private notes on your books. Advanced features like AI-powered key point extraction are available through an optional subscription.

**Highlights:** Build daily reading habits, Track reading streaks and finished books, Organize to-read and finished book piles, Take private notes and sticky notes, Search and add books via barcode or title, Generate reading cards and badges, AI-powered key point extraction (subscription)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| メモリープラス月額プラン | $3.99 | per month |
| メモリープラス年額プラン | $39.99 | per year |


### Libri 読書管理

[App page](https://appshunter.io/ios/app/libri/id6756832379)

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

**In-app purchases:** none


## Frequently asked questions

### Is Reading Memory free?

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

### Is Libri 読書管理 free?

Libri 読書管理 is free to download, with no in-app purchases.

### Do Reading Memory or Libri 読書管理 have ads?

Neither Reading Memory nor Libri 読書管理 shows ads.

### Which is updated more often, Reading Memory or Libri 読書管理?

Reading Memory ships an update every 2 months, and Libri 読書管理 every 3 weeks. Most recently, Reading Memory was updated on November 5, 2026 and Libri 読書管理 on October 30, 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.*