# SQLDOU vs SQL Quiz Drills

The clearest difference is in-app purchases: SQL Quiz Drills at none against SQLDOU's 1. SQL Quiz Drills also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. SQLDOU sells 1 one-off in-app purchase. SQL Quiz Drills asks for nothing beyond the download.

## The numbers

| Metric | SQLDOU | SQL Quiz Drills |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | — |
| Size | 12 MB | 1 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Fuji Bit Inc.](https://appshunter.io/developer/1874205957) | [2PIECE.K.K](https://appshunter.io/developer/1888887387) |

## What reviewers say

### SQLDOU

[App page](https://appshunter.io/ios/app/sqldou/id6760616192)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SQLDOU Pro | $5.99 | one-time |


### SQL Quiz Drills

[App page](https://appshunter.io/ios/app/sql-quiz-drills/id6779909418)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SQLDOU free?

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

### Is SQL Quiz Drills free?

SQL Quiz Drills is free to download, with no in-app purchases.

### Do SQLDOU or SQL Quiz Drills have ads?

SQLDOU shows ads; SQL Quiz Drills does not.

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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.*