# SQL Prep vs API Concepts

The clearest difference is in-app purchases: API Concepts at none against SQL Prep's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SQL Prep sells 3 in-app purchases, starting at $4.99 per month. API Concepts asks for nothing beyond the download.

## The numbers

| Metric | SQL Prep | API Concepts |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/sql-prep-learn-and-practice/id6752492649/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | — |
| Monetization | Freemium | — |
| Size | 6 MB | 38 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mustafa Ergisi](https://appshunter.io/developer/1829311519) | [AFTW LLC](https://appshunter.io/developer/1886356149) |

## What reviewers say

### SQL Prep

[App page](https://appshunter.io/ios/app/sql-prep-learn-and-practice/id6752492649)

Learn SQL through interactive challenges and gamified practice. Write queries, get instant feedback, and level up your database skills. Features an AI-powered SQL generator to help you understand query patterns.

**Highlights:** Interactive SQL challenges, Gamified learning with XP and streaks, AI-powered SQL generator, Instant feedback and explanations, Covers fundamental to advanced SQL topics, Interview prep mode

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SQL Generator | $4.99 | per month |
| Yearly Premium | $29.99 | per year |
| Pro Lifetime | $19.99 | one-time |


### API Concepts

[App page](https://appshunter.io/ios/app/api-concepts/id6772290627)

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

**In-app purchases:** none


## Frequently asked questions

### Is SQL Prep free?

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

### Is API Concepts free?

API Concepts is free to download, with no in-app purchases.

### Do SQL Prep or API Concepts have ads?

Neither SQL Prep nor API Concepts shows ads.

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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.*