# SQL Practice vs Code Scanner QR

The clearest difference is ads: SQL Practice at none against Code Scanner QR's shown. SQL Practice also leads on chart position (#114 vs unranked) and iOS requirement (13.0 vs 15.5). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. SQL Practice sells 2 in-app purchases, starting at $3.99 per 7 days and Code Scanner QR sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

SQL Practice ships an update every 6 months, Code Scanner QR every 3 months. The most recent releases landed on October 3, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | SQL Practice | Code Scanner QR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (137 ratings)](https://appshunter.io/ios/app/sql-practice-learn-database/id6749337619/reviews)** | — |
| Number of ratings | **137** | — |
| Positive reviews | 85.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 3 months** |
| Monetization | Free | — |
| Best chart rank | **#114** | — |
| Size | 48 MB | 67 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Marton Greber](https://appshunter.io/developer/1748728717) | [Amr Saied](https://appshunter.io/developer/1777023350) |

## What reviewers say

### SQL Practice

[App page](https://appshunter.io/ios/app/sql-practice-learn-database/id6749337619)

**Currently charting:** #114 Top Grossing · Developer Tools, #131 Top Free · Developer Tools (US App Store)

Master SQL with short, daily interactive sessions. Practice real-world queries and datasets on your phone to build confidence for career changes, professional development, or technical interviews. Learn database concepts and advanced techniques at your own pace.

**Highlights:** 15-minute daily learning sessions, Interactive exercises with real-world datasets, Progressive curriculum from beginner to advanced, Instant feedback and mistake analysis, Gamified progress tracking (streaks, XP, achievements), Master SELECT, JOINs, aggregations, and subqueries

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Access | $3.99 | per 7 days |
| Pro Access | $19.99 | per year |


### Code Scanner QR

[App page](https://appshunter.io/ios/app/code-scanner-qr/id6758605206)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscriptions | $2.99 | per month |
| Year Subscription | $12.99 | per year |
| One-time subscription | $24.99 | one-time |


## Frequently asked questions

### Is SQL Practice free?

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

### Is Code Scanner QR free?

Code Scanner QR is free to download, with in-app purchases available.

### Do SQL Practice or Code Scanner QR have ads?

Code Scanner QR shows ads; SQL Practice does not.

### Which is updated more often, SQL Practice or Code Scanner QR?

SQL Practice ships an update every 6 months, and Code Scanner QR every 3 months. Most recently, SQL Practice was updated on October 3, 2026 and Code Scanner QR 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.*