# RETM | رتم vs Oud Sim

The clearest difference is rating: Oud Sim at 5.0 against RETM | رتم's 1.0. Oud Sim also leads on iOS requirement (12.0 vs 16.6). RETM | رتم's advantage is ads (none vs shown). On price, ratings volume, update cadence and in-app purchases there is nothing between them.

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

Oud Sim holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

RETM | رتم ships an update every 3 weeks, Oud Sim every 6 weeks. The most recent releases landed on October 11, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | RETM | رتم | Oud Sim |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/retm/id6504160842/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/oud-sim/id6738432468/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 6 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 723 MB | 195 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 |


### Oud Sim

[App page](https://appshunter.io/ios/app/oud-sim/id6738432468)

Experience the authentic sounds of the oud with this feature-rich simulator. Explore four distinct instrument variations, advanced tuning and effects, and multiple play modes. Record and share your musical creations with a beautifully designed interface.

**Highlights:** Four unique oud sound options, Microtonal tuning, Echo and chorus effects, Sensitive play mode, Multiple play modes (Endless, Single Note, Multi-Play), Screen recording and sharing, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get Premium | $9.99 | one-time |


## Frequently asked questions

### Is RETM | رتم free?

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

### Is Oud Sim free?

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

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

Oud Sim is rated higher. RETM | رتم averages 1.0 out of 5 from 1 ratings, while Oud Sim averages 5.0 from 2 ratings.

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

Oud Sim shows ads; RETM | رتم does not.

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

RETM | رتم ships an update every 3 weeks, and Oud Sim every 6 weeks. Most recently, RETM | رتم was updated on October 11, 2026 and Oud Sim on October 2, 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.*