# Data Structures vs Algo Demo

The clearest difference is ads: Data Structures at none against Algo Demo's shown. Data Structures also leads on iOS requirement (10.0 vs 13.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Data Structures ships an update every 3 months, Algo Demo every 4 months. The most recent releases landed on October 9, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Data Structures | Algo Demo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (7 ratings)](https://appshunter.io/ios/app/data-structures/id993677535/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Free | — |
| Size | 29 MB | 36 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Pawanpreet Singh](https://appshunter.io/developer/872471196) | [zhuo zeng](https://appshunter.io/developer/1435764582) |

## What reviewers say

### Data Structures

[App page](https://appshunter.io/ios/app/data-structures/id993677535)

Learn computer science concepts like data structures and algorithms with a detailed, step-by-step approach. Includes code snippets for better understanding and can be accessed offline.

**Highlights:** Step-by-step learning approach, Code snippets for examples, Offline access, Focus on data structures, Focus on algorithms

**Features:** macOS Compatibility

**In-app purchases:** none


### Algo Demo

[App page](https://appshunter.io/ios/app/algo-demo/id6746090108)

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

**In-app purchases:** none


## Frequently asked questions

### Is Data Structures free?

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

### Is Algo Demo free?

Algo Demo is free to download, with no in-app purchases.

### Do Data Structures or Algo Demo have ads?

Algo Demo shows ads; Data Structures does not.

### Which is updated more often, Data Structures or Algo Demo?

Data Structures ships an update every 3 months, and Algo Demo every 4 months. Most recently, Data Structures was updated on October 9, 2026 and Algo Demo on October 2, 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.*