# Reading Memory vs READBASE (リードベース)

The clearest difference is ads: Reading Memory at none against READBASE (リードベース)'s shown. READBASE (リードベース)'s advantage is update cadence (every 3 days vs every 3 months) and iOS requirement (15.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Reading Memory sells 2 in-app purchases, starting at $3.99 per month and READBASE (リードベース) sells 4 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Reading Memory ships an update every 3 months, READBASE (リードベース) every 3 days. The most recent releases landed on October 2, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Reading Memory | READBASE (リードベース) |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 3 days** |
| Monetization | Freemium | — |
| Size | 29 MB | 52 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Kyoichi Taniguchi](https://appshunter.io/developer/1609440791) | [kaito kotaka](https://appshunter.io/developer/1848780372) |

## What reviewers say

### Reading Memory

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

This app helps you record and deepen your reading experience through chat-based notes and AI interactions. It allows you to track reading goals, analyze habits, and revisit your thoughts on books.

**Highlights:** AI-powered chat memos, Mood tagging for emotional depth, Card-swipe review format, Smart book search and barcode scanning, Reading goal setting and habit tracking, AI summaries of chat memos, Reading statistics and analysis, Achievements and reading milestones

**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 |


### READBASE (リードベース)

[App page](https://appshunter.io/ios/app/readbase/id6754545629)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $3.99 | per month |
| gem3 | $0.99 | one-time |
| gem5 | $2.99 | one-time |
| gem30 | $6.99 | one-time |


## Frequently asked questions

### Is Reading Memory free?

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

### Is READBASE (リードベース) free?

READBASE (リードベース) is free to download, with in-app purchases available.

### Do Reading Memory or READBASE (リードベース) have ads?

READBASE (リードベース) shows ads; Reading Memory does not.

### Which is updated more often, Reading Memory or READBASE (リードベース)?

Reading Memory ships an update every 3 months, and READBASE (リードベース) every 3 days. Most recently, Reading Memory was updated on October 2, 2026 and READBASE (リードベース) on September 29, 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.*