# DSA Master vs Empire Technology

The clearest difference is in-app purchases: Empire Technology at none against DSA Master's 1. Empire Technology also leads on ads (none vs shown) and iOS requirement (13.4 vs 16.2). On price and device support there is nothing between them.

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

## The numbers

| Metric | DSA Master | Empire Technology |
| --- | --- | --- |
| 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 | — |
| Monetization | Free with in-app purchases | — |
| Size | 150 MB | 27 MB |
| Requires iOS | 16.2 | **13.4** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Alok Singh](https://appshunter.io/developer/1508795536) | [PRABHU MANAGEMENT](https://appshunter.io/developer/1267161297) |

## 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 |


### Empire Technology

[App page](https://appshunter.io/ios/app/empire-technology/id6751191949)

**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 Empire Technology free?

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

### Do DSA Master or Empire Technology have ads?

DSA Master shows ads; Empire Technology does not.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*