# DSA Master vs iSOLID

The clearest difference is in-app purchases: iSOLID at none against DSA Master's 1. iSOLID also leads on ads (none vs shown). DSA Master's advantage is iOS requirement (16.2 vs 18.0). On price, update cadence and device support there is nothing between them.

Both are free to download. DSA Master sells 1 one-off in-app purchase. iSOLID asks for nothing beyond the download.

DSA Master ships an update weekly, iSOLID every 4 days. The most recent releases landed on September 7, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | DSA Master | iSOLID |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (35 ratings)](https://appshunter.io/ios/app/dsa-master-data-and-algorithms/id1672776683/reviews)** | — |
| Number of ratings | **35** | — |
| Positive reviews | 12.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 150 MB | 19 MB |
| Requires iOS | **16.2** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Alok Singh](https://appshunter.io/developer/1508795536) | [Nikolai Borisov](https://appshunter.io/developer/1838085350) |

## 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 |


### iSOLID

[App page](https://appshunter.io/ios/app/isolid-learn-programming/id6752113008)

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

**In-app purchases:** none


## Frequently asked questions

### Is DSA Master free?

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

### Is iSOLID free?

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

### Do DSA Master or iSOLID have ads?

DSA Master shows ads; iSOLID does not.

### Which is updated more often, DSA Master or iSOLID?

DSA Master ships an update weekly, and iSOLID every 4 days. Most recently, DSA Master was updated on September 7, 2026 and iSOLID on September 13, 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.*