# Learn SQL vs DP

The clearest difference is price: DP at Free against Learn SQL's $2.99. DP also leads on update cadence (every 2 weeks vs every 6 weeks). Learn SQL's advantage is in-app purchases (none vs 3) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

DP is free to download; Learn SQL costs $2.99 up front. DP sells 3 in-app purchases, starting at $1.99 per 7 days. Learn SQL asks for nothing beyond the download.

Learn SQL ships an update every 6 weeks, DP every 2 weeks. The most recent releases landed on October 25, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Learn SQL | DP |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Size | 172 MB | 84 MB |
| Requires iOS | **17** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 12+ |
| Developer | [Shahbaz Khan](https://appshunter.io/developer/1479963383) | [Oriol Della](https://appshunter.io/developer/1859290047) |

## What reviewers say

### Learn SQL

[App page](https://appshunter.io/ios/app/learn-sql-database-mastery/id6755876223)

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

**In-app purchases:** none


### DP

[App page](https://appshunter.io/ios/app/dp-900-2026-course-and-ai-tutor/id6757562783)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| week_sub_dp900 | $1.99 | per 7 days |
| DP-900 Monthly | $6.99 | per month |
| one_time_buy_dp900 | $13.99 | one-time |


## Frequently asked questions

### Is Learn SQL free?

Learn SQL costs $2.99, with no in-app purchases.

### Is DP free?

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

### Do Learn SQL or DP have ads?

DP shows ads; Learn SQL does not.

### Which is updated more often, Learn SQL or DP?

Learn SQL ships an update every 6 weeks, and DP every 2 weeks. Most recently, Learn SQL was updated on October 25, 2026 and DP on October 20, 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.*