# Data Warehousing Concepts vs Learn SQL

The clearest difference is in-app purchases: Data Warehousing Concepts at none against Learn SQL's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Learn SQL sells 1 one-off in-app purchase. Data Warehousing Concepts asks for nothing beyond the download.

## The numbers

| Metric | Data Warehousing Concepts | Learn SQL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (3 ratings)](https://appshunter.io/ios/app/learn-sql-sql-case-files/id6799281777/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Monetization | — | Free with in-app purchases |
| Size | 37 MB | 135 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [AFTW LLC](https://appshunter.io/developer/1886356149) | [Centum Studios Ltd](https://appshunter.io/developer/6799281779) |

## What reviewers say

### Data Warehousing Concepts

[App page](https://appshunter.io/ios/app/data-warehousing-concepts/id6773112612)

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

**In-app purchases:** none


### Learn SQL

[App page](https://appshunter.io/ios/app/learn-sql-sql-case-files/id6799281777)

Learn SQL through interactive case files where you write real queries to uncover evidence. Progress from basic to advanced concepts with 100 authored leads and 10 complete investigations. Build practical SQL judgment by turning case objectives into queries and refining your approach.

**Highlights:** Interactive case file investigations, Write and execute real SQL queries, 100 authored leads and 10 investigations, Covers foundational to advanced SQL concepts, Schema inspection and relationship exploration, Step-by-step guidance and hints, Progress tracking via Skill Map

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support SQL Case Files | $5.00 | one-time |


## Frequently asked questions

### Is Data Warehousing Concepts free?

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

### Is Learn SQL free?

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

### Do Data Warehousing Concepts or Learn SQL have ads?

Neither Data Warehousing Concepts nor Learn SQL 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.*