# READBASE (リードベース) vs 読書空間｜本棚・読書記録

The clearest difference is ads: 読書空間｜本棚・読書記録 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 9 days) 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. READBASE (リードベース) sells 4 in-app purchases, starting at $3.99 per month and 読書空間｜本棚・読書記録 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

READBASE (リードベース) ships an update every 3 days, 読書空間｜本棚・読書記録 every 9 days. Both last shipped on October 28, 2026.

## The numbers

| Metric | READBASE (リードベース) | 読書空間｜本棚・読書記録 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 9 days |
| Size | 52 MB | 17 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [kaito kotaka](https://appshunter.io/developer/1848780372) | [SOHEI YOSHIOKA](https://appshunter.io/developer/1833587562) |

## What reviewers say

### 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 |


### 読書空間｜本棚・読書記録

[App page](https://appshunter.io/ios/app/id6787682270)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Proプラン | $5.99 | one-time |


## Frequently asked questions

### 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.

### Is 読書空間｜本棚・読書記録 free?

読書空間｜本棚・読書記録 is free to download, with in-app purchases available.

### Do READBASE (リードベース) or 読書空間｜本棚・読書記録 have ads?

READBASE (リードベース) shows ads; 読書空間｜本棚・読書記録 does not.

### Which is updated more often, READBASE (リードベース) or 読書空間｜本棚・読書記録?

READBASE (リードベース) ships an update every 3 days, and 読書空間｜本棚・読書記録 every 9 days. Most recently, READBASE (リードベース) was updated on October 28, 2026 and 読書空間｜本棚・読書記録 on October 28, 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.*