# マイ本棚 vs READBASE (リードベース)

The clearest difference is ads: マイ本棚 at none against READBASE (リードベース)'s shown. マイ本棚 also leads on iOS requirement (13.0 vs 15.0). READBASE (リードベース)'s advantage is update cadence (every 3 days vs every 2 weeks). On price, in-app purchases and device support there is nothing between them.

Both are free to download. マイ本棚 sells 4 in-app purchases, starting at $0.99 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.

マイ本棚 ships an update every 2 weeks, READBASE (リードベース) every 3 days. The most recent releases landed on October 7, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | マイ本棚 | READBASE (リードベース) |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Size | 40 MB | 52 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [KAZUNORI WAKAMATSU](https://appshunter.io/developer/1721880240) | [kaito kotaka](https://appshunter.io/developer/1848780372) |

## What reviewers say

### マイ本棚

[App page](https://appshunter.io/ios/app/id6503654432)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムプラン（1ヶ月） | $0.99 | per month |
| プレミアムプラン（半年） | $2.99 | per 6 months |
| プレミアムプラン（年間） | $11.99 | per year |
| プレミアムプラン（買切り） | $19.99 | one-time |


### 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 マイ本棚 free?

マイ本棚 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 マイ本棚 or READBASE (リードベース) have ads?

READBASE (リードベース) shows ads; マイ本棚 does not.

### Which is updated more often, マイ本棚 or READBASE (リードベース)?

マイ本棚 ships an update every 2 weeks, and READBASE (リードベース) every 3 days. Most recently, マイ本棚 was updated on October 7, 2026 and READBASE (リードベース) on September 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*