# DSA Master vs Coder World

The clearest difference is review sentiment: Coder World at 100% against DSA Master's 13%. Coder World also leads on rating (5.0 vs 4.2) and ads (none vs shown). DSA Master's advantage is ratings volume (35 vs 2). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. DSA Master sells 1 one-off in-app purchase and Coder World sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Coder World holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: DSA Master has 35 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 13% of DSA Master's written reviews are positive against 100% of Coder World's.

DSA Master ships an update weekly, Coder World every 2 weeks. The most recent releases landed on September 22, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | DSA Master | Coder World |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (35 ratings)](https://appshunter.io/ios/app/dsa-master-data-and-algorithms/id1672776683/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/coder-world/id6755934255/reviews)** |
| Number of ratings | **35** | 2 |
| Positive reviews | 12.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 150 MB | 60 MB |
| Requires iOS | 16.2 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Alok Singh](https://appshunter.io/developer/1508795536) | [NavvConsulting Inc](https://appshunter.io/developer/1538092818) |

## What reviewers say

### DSA Master

[App page](https://appshunter.io/ios/app/dsa-master-data-and-algorithms/id1672776683)

Master algorithms and data structures with interactive visualizations, executable code, and practice challenges. Supports multiple programming languages and offers progress tracking for technical interview preparation.

**Highlights:** Interactive visualizations, Live code execution, Multi-language support, Practice challenges, Progress tracking, Algorithm animations

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### Coder World

[App page](https://appshunter.io/ios/app/coder-world/id6755934255)

Learn in-demand tech skills with an AI-powered tutor. This platform offers a comprehensive course library, structured learning paths, and interactive quizzes to help beginners and professionals master coding languages and technologies.

**Highlights:** Extensive course library (Spring Boot, Python, Java, NodeJS, React JS, Angular, SQL, Kubernetes), AI-powered explanations and examples, Structured learning paths with concept overviews, Interactive quizzes with immediate feedback, Progress tracking with daily streaks and achievements

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coder Ulagam Pro | $1.99 | per month |
| Coder Ulagam Pro | $19.99 | per year |
| Lifetime Pro | $24.99 | one-time |


## Frequently asked questions

### Is DSA Master free?

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

### Is Coder World free?

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

### Which has better reviews, DSA Master or Coder World?

Coder World is rated higher. DSA Master averages 4.2 out of 5 from 35 ratings, while Coder World averages 5.0 from 2 ratings.

### Do DSA Master or Coder World have ads?

DSA Master shows ads; Coder World does not.

### Which is updated more often, DSA Master or Coder World?

DSA Master ships an update weekly, and Coder World every 2 weeks. Most recently, DSA Master was updated on September 22, 2026 and Coder World on September 21, 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.*