# DSA Master vs MAP AIS Field Guide

The clearest difference is in-app purchases: MAP AIS Field Guide at none against DSA Master's 1. MAP AIS Field Guide also leads on ads (none vs shown) and iOS requirement (14.0 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. MAP AIS Field Guide asks for nothing beyond the download.

## The numbers

| Metric | DSA Master | MAP AIS Field Guide |
| --- | --- | --- |
| 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 | 11 MB |
| Requires iOS | 16.2 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Alok Singh](https://appshunter.io/developer/1508795536) | [Skyward App Company](https://appshunter.io/developer/821096887) |

## 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 |


### MAP AIS Field Guide

[App page](https://appshunter.io/ios/app/map-ais-field-guide/id6757203511)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DSA Master free?

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

### Is MAP AIS Field Guide free?

MAP AIS Field Guide is free to download, with no in-app purchases.

### Do DSA Master or MAP AIS Field Guide have ads?

DSA Master shows ads; MAP AIS Field Guide does not.

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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.*