# PyScience Lab vs Learn Data Structures Offline

The clearest difference is update cadence: PyScience Lab at every 2 months against Learn Data Structures Offline's every 21 months. Learn Data Structures Offline's advantage is price ($1.99 vs $6.99) and iOS requirement (13.0 vs 15.1). On ads, in-app purchases and device support there is nothing between them.

PyScience Lab costs $6.99 and Learn Data Structures Offline $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PyScience Lab ships an update every 2 months, Learn Data Structures Offline every 21 months. The most recent releases landed on September 18, 2026 and August 9, 2026 respectively.

## The numbers

| Metric | PyScience Lab | Learn Data Structures Offline |
| --- | --- | --- |
| Price | $6.99 | **$1.99** |
| 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 2 months** | Every 21 months |
| Monetization | — | Paid |
| Size | 78 MB | 38 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SimTeCon GmbH](https://appshunter.io/developer/1761797043) | [Muhammad Mubeen](https://appshunter.io/developer/1553722821) |

## What reviewers say

### PyScience Lab

[App page](https://appshunter.io/ios/app/pyscience-lab/id6737474386)

**In-app purchases:** none


### 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


## Frequently asked questions

### Is PyScience Lab free?

PyScience Lab costs $6.99, with no in-app purchases.

### Is Learn Data Structures Offline free?

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

### Do PyScience Lab or Learn Data Structures Offline have ads?

Neither PyScience Lab nor Learn Data Structures Offline shows ads.

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

PyScience Lab ships an update every 2 months, and Learn Data Structures Offline every 21 months. Most recently, PyScience Lab was updated on September 18, 2026 and Learn Data Structures Offline on August 9, 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.*