# データベーススペシャリスト(DB)過去問 vs Re

The clearest difference is in-app purchases: データベーススペシャリスト(DB)過去問 at none against Re's 2. データベーススペシャリスト(DB)過去問 also leads on ads (none vs shown) and iOS requirement (6.0 vs 17.6). Re's advantage is update cadence (every 4 days vs every 12 months). On price and device support there is nothing between them.

Both are free to download. Re sells 2 one-off in-app purchases. データベーススペシャリスト(DB)過去問 asks for nothing beyond the download.

データベーススペシャリスト(DB)過去問 ships an update every 12 months, Re every 4 days. The most recent releases landed on September 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | データベーススペシャリスト(DB)過去問 | Re |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 12 months | **Every 4 days** |
| Size | 11 MB | 24 MB |
| Requires iOS | **6.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Daichi Saito](https://appshunter.io/developer/979046077) | [Mendoxa LLC](https://appshunter.io/developer/1816388997) |

## What reviewers say

### データベーススペシャリスト(DB)過去問

[App page](https://appshunter.io/ios/app/db/id979046078)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is データベーススペシャリスト(DB)過去問 free?

データベーススペシャリスト(DB)過去問 is free to download, with no in-app purchases.

### Is Re free?

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

### Do データベーススペシャリスト(DB)過去問 or Re have ads?

Re shows ads; データベーススペシャリスト(DB)過去問 does not.

### Which is updated more often, データベーススペシャリスト(DB)過去問 or Re?

データベーススペシャリスト(DB)過去問 ships an update every 12 months, and Re every 4 days. Most recently, データベーススペシャリスト(DB)過去問 was updated on September 24, 2026 and Re on October 9, 2026.

---

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