# Learn Data Structures Offline vs Learn SQL

The clearest difference is update cadence: Learn SQL at every 6 weeks against Learn Data Structures Offline's every 21 months. Learn Data Structures Offline's advantage is price ($1.99 vs $2.99) and iOS requirement (13.0 vs 17). On ads, in-app purchases and device support there is nothing between them.

Learn Data Structures Offline costs $1.99 and Learn SQL $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Learn Data Structures Offline ships an update every 21 months, Learn SQL every 6 weeks. The most recent releases landed on September 23, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Learn Data Structures Offline | Learn SQL |
| --- | --- | --- |
| Price | **$1.99** | $2.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/learn-data-structures-offline/id6738282305/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 6 weeks** |
| Monetization | Paid | — |
| Size | 38 MB | 172 MB |
| Requires iOS | **13.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Muhammad Mubeen](https://appshunter.io/developer/1553722821) | [Shahbaz Khan](https://appshunter.io/developer/1479963383) |

## What reviewers say

### Learn Data Structures Offline

[App page](https://appshunter.io/ios/app/learn-data-structures-offline/id6738282305)

Master data structures with this comprehensive offline learning app. It offers simple explanations, practical examples, and interview-focused content for students and aspiring software engineers. Build a strong computer science foundation anytime, anywhere.

**Highlights:** Offline learning, Simple explanations, Practical code examples, Interview-focused content, Comprehensive tutorials, Regular updates

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

**In-app purchases:** none


### Learn SQL

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Learn Data Structures Offline free?

Learn Data Structures Offline costs $1.99, with no in-app purchases.

### Is Learn SQL free?

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

### Do Learn Data Structures Offline or Learn SQL have ads?

Neither Learn Data Structures Offline nor Learn SQL shows ads.

### Which is updated more often, Learn Data Structures Offline or Learn SQL?

Learn Data Structures Offline ships an update every 21 months, and Learn SQL every 6 weeks. Most recently, Learn Data Structures Offline was updated on September 23, 2026 and Learn SQL on September 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*