# MARRS vs Learn C++

The clearest difference is update cadence: Learn C++ at every 3 months against MARRS's every 14 months. On price, ads, in-app purchases and monetization model there is nothing between them.

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

MARRS ships an update every 14 months, Learn C++ every 3 months. The most recent releases landed on October 11, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | MARRS | Learn C++ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (4 ratings)](https://appshunter.io/ios/app/learn-c-plus-plus-onepercent/id1539345030/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 43 MB | 29 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [THE UNIVERSITY OF HUDDERSFIELD ENTERPRISES LIMITED](https://appshunter.io/developer/1023669920) | [OnePercent](https://appshunter.io/developer/1536020418) |

## What reviewers say

### MARRS

[App page](https://appshunter.io/ios/app/marrs/id1295926126)

This application simulates microphone arrays for sound localization prediction. It offers an object-based workflow to configure microphone setups and predict perceived sound source positions based on psychoacoustic models. The tool also automatically configures arrays for desired spatial scenes, considering microphone height and vertical orientation.

**Highlights:** Interactive object-based workflow, Graphical user interface, Localization prediction, Microphone array configuration, Psychoacoustic modeling, Automatic array setup, Considers microphone height and orientation

**Features:** macOS Compatibility

**In-app purchases:** none


### Learn C++

[App page](https://appshunter.io/ios/app/learn-c-plus-plus-onepercent/id1539345030)

Learn C++ programming from beginner to advanced topics with interactive lessons, quizzes, and demo programs. This ad-free tutorial covers data structures and interview preparation, making it suitable for hobbyists, students, and career builders.

**Highlights:** Comprehensive C++ lessons, Interview question practice, Interactive quizzes, Demo programs for visualization, Clear syntax explanations, Ad-free experience

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MARRS free?

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

### Is Learn C++ free?

Learn C++ is free to download, with no in-app purchases.

### Do MARRS or Learn C++ have ads?

Neither MARRS nor Learn C++ shows ads.

### Which is updated more often, MARRS or Learn C++?

MARRS ships an update every 14 months, and Learn C++ every 3 months. Most recently, MARRS was updated on October 11, 2026 and Learn C++ on October 17, 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.*