# READBASE (リードベース) vs 本のことば集め

The clearest difference is ads: 本のことば集め 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 weeks) and iOS requirement (15.0 vs 17.6). 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 本のことば集め sells 3 one-off in-app purchases. 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, 本のことば集め every 3 weeks. The most recent releases landed on September 29, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | READBASE (リードベース) | 本のことば集め |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Size | 52 MB | 3 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [kaito kotaka](https://appshunter.io/developer/1848780372) | [SHUJI FUKUNAGA](https://appshunter.io/developer/469076836) |

## 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 |


### 本のことば集め

[App page](https://appshunter.io/ios/app/id6756536622)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| コーヒー1杯で応援 | $0.49 | one-time |
| コーヒー2杯 | $0.99 | one-time |
| 開発をしっかり応援 | $2.99 | 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 本のことば集め free?

本のことば集め is free to download, with in-app purchases available.

### Do READBASE (リードベース) or 本のことば集め have ads?

READBASE (リードベース) shows ads; 本のことば集め does not.

### Which is updated more often, READBASE (リードベース) or 本のことば集め?

READBASE (リードベース) ships an update every 3 days, and 本のことば集め every 3 weeks. Most recently, READBASE (リードベース) was updated on September 29, 2026 and 本のことば集め on October 3, 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.*