# Re vs DB合格ドリル

The clearest difference is in-app purchases: DB合格ドリル at none against Re's 2. DB合格ドリル also leads on iOS requirement (15.1 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Re sells 2 one-off in-app purchases. DB合格ドリル asks for nothing beyond the download.

Re ships an update every 4 days, DB合格ドリル every 6 days. The most recent releases landed on October 9, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Re | DB合格ドリル |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 4 days** | Every 6 days |
| Size | 24 MB | 52 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mendoxa LLC](https://appshunter.io/developer/1816388997) | [AFTW LLC](https://appshunter.io/developer/1886356149) |

## What reviewers say

### Re

[App page](https://appshunter.io/ios/app/repra-db/id6751254008)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告非表示 | $0.49 | one-time |
| Mendoくんパワーアップ（開発支援） | $0.49 | one-time |


### DB合格ドリル

[App page](https://appshunter.io/ios/app/db/id6761160543)

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

**In-app purchases:** none


## Frequently asked questions

### Is Re free?

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

### Is DB合格ドリル free?

DB合格ドリル is free to download, with no in-app purchases.

### Do Re or DB合格ドリル have ads?

Both Re and DB合格ドリル show ads.

### Which is updated more often, Re or DB合格ドリル?

Re ships an update every 4 days, and DB合格ドリル every 6 days. Most recently, Re was updated on October 9, 2026 and DB合格ドリル on September 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.*