# データベーススペシャリスト vs DB合格ドリル

The clearest difference is in-app purchases: DB合格ドリル at none against データベーススペシャリスト's 1. データベーススペシャリスト's advantage is ads (none vs shown) and update cadence (every 2 days vs every 6 days). On price, device support and iOS requirement there is nothing between them.

Both are free to download. データベーススペシャリスト sells 1 one-off in-app purchase. DB合格ドリル asks for nothing beyond the download.

データベーススペシャリスト ships an update every 2 days, DB合格ドリル every 6 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | データベーススペシャリスト | DB合格ドリル |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Every 6 days |
| Size | 5 MB | 52 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TAKAYUKI OOTA](https://appshunter.io/developer/1855196437) | [AFTW LLC](https://appshunter.io/developer/1886356149) |

## What reviewers say

### データベーススペシャリスト

[App page](https://appshunter.io/ios/app/id6757322830)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| データベーススペシャリスト 試験対策 | $1.99 | 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 データベーススペシャリスト free?

データベーススペシャリスト 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 データベーススペシャリスト or DB合格ドリル have ads?

DB合格ドリル shows ads; データベーススペシャリスト does not.

### Which is updated more often, データベーススペシャリスト or DB合格ドリル?

データベーススペシャリスト ships an update every 2 days, and DB合格ドリル every 6 days. Most recently, データベーススペシャリスト was updated on October 31, 2026 and DB合格ドリル on October 31, 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.*