# RETM | رتم vs Qanun Sim

The clearest difference is rating: Qanun Sim at 4.0 against RETM | رتم's 1.0. Qanun Sim also leads on iOS requirement (12.0 vs 16.6). RETM | رتم's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 2 months). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

Both are free to download. RETM | رتم sells 6 in-app purchases, starting at $2.99 per month and Qanun Sim sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Qanun Sim holds the better App Store score, 4.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

RETM | رتم ships an update every 3 weeks, Qanun Sim every 2 months. The most recent releases landed on October 11, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | RETM | رتم | Qanun Sim |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/retm/id6504160842/reviews) | **[4.0 (2 ratings)](https://appshunter.io/ios/app/qanun-sim/id6739710730/reviews)** |
| Number of ratings | 1 | **2** |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 723 MB | 137 MB |
| Requires iOS | 16.6 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Essam Salah](https://appshunter.io/developer/1139222533) | [Alper Kahriman](https://appshunter.io/developer/1054578352) |

## What reviewers say

### RETM | رتم

[App page](https://appshunter.io/ios/app/retm/id6504160842)

Explore a vast library of musical rhythms from around the world, with live MIDI beats for seamless transitions. Enhance your skills with educational lessons, record and add effects to your playing, and import/export videos with custom audio.

**Highlights:** Live MIDI beats with seamless transitions, Extensive global rhythm library, Music lessons and practice tools, Record and add audio effects, Import and export videos with audio, Interactive music community, Metronome and other helper tools

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $2.99 | per month |
| Pro | $12.99 | per month |
| Pro | $22.99 | per year |
| Pro | $49.99 | per 6 months |
| Pro | $49.99 | per year |
| Pro | $69.99 | per year |


### Qanun Sim

[App page](https://appshunter.io/ios/app/qanun-sim/id6739710730)

This app simulates the qanun, a traditional Middle Eastern string instrument. It offers authentic sounds, customizable layouts, and multiple play modes for musicians and enthusiasts. Record and share your musical creations.

**Highlights:** Authentic qanun sounds, Customizable interface, Free Play Mode, Single Note Mode, Soft Release Mode, Built-in recorder, Share performances

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get Premium | $7.99 | one-time |


## Frequently asked questions

### Is RETM | رتم free?

RETM | رتم is free to download, with in-app purchases available.

### Is Qanun Sim free?

Qanun Sim is free to download, with in-app purchases available.

### Which has better reviews, RETM | رتم or Qanun Sim?

Qanun Sim is rated higher. RETM | رتم averages 1.0 out of 5 from 1 ratings, while Qanun Sim averages 4.0 from 2 ratings.

### Do RETM | رتم or Qanun Sim have ads?

Qanun Sim shows ads; RETM | رتم does not.

### Which is updated more often, RETM | رتم or Qanun Sim?

RETM | رتم ships an update every 3 weeks, and Qanun Sim every 2 months. Most recently, RETM | رتم was updated on October 11, 2026 and Qanun Sim on October 1, 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.*