# Learn Data Structures Offline vs BigO Algorithms

The clearest difference is price: BigO Algorithms at Free against Learn Data Structures Offline's $1.99. BigO Algorithms also leads on update cadence (every 4 days vs every 21 months) and ratings volume (3 vs 1). Learn Data Structures Offline's advantage is in-app purchases (none vs 2) and iOS requirement (13.0 vs 18.6). On rating, ads and device support there is nothing between them.

BigO Algorithms is free to download; Learn Data Structures Offline costs $1.99 up front. BigO Algorithms sells 2 in-app purchases, starting at $7.99 per month. Learn Data Structures Offline asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Learn Data Structures Offline against 5.0 for BigO Algorithms. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

Learn Data Structures Offline ships an update every 21 months, BigO Algorithms every 4 days. The most recent releases landed on October 17, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Learn Data Structures Offline | BigO Algorithms |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/learn-data-structures-offline/id6738282305/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/bigo-algorithms/id6761836617/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 4 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 38 MB | 25 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Muhammad Mubeen](https://appshunter.io/developer/1553722821) | [Gregori Farias](https://appshunter.io/developer/1891708605) |

## 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


### BigO Algorithms

[App page](https://appshunter.io/ios/app/bigo-algorithms/id6761836617)

This app provides a technical environment for software engineers and computer science students to prepare for interviews. It uses AI-powered mentorship and visual complexity curves to help users understand logic and analyze code errors.

**Highlights:** AI-powered mentorship, Dual-clue analysis (Static Blueprints & OpenAI), Big O complexity curve visualization, Dark-mode first aesthetic, Code error analysis, Logic-focused learning

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BigO Premium Monthly | $7.99 | per month |
| BigO Premium Annual | $57.99 | per year |


## Frequently asked questions

### Is Learn Data Structures Offline free?

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

### Is BigO Algorithms free?

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

### Which has better reviews, Learn Data Structures Offline or BigO Algorithms?

Learn Data Structures Offline and BigO Algorithms are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.

### Do Learn Data Structures Offline or BigO Algorithms have ads?

Neither Learn Data Structures Offline nor BigO Algorithms shows ads.

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

Learn Data Structures Offline ships an update every 21 months, and BigO Algorithms every 4 days. Most recently, Learn Data Structures Offline was updated on October 17, 2026 and BigO Algorithms on October 8, 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.*