# Loop vs Rithmatic

The clearest difference is rating: Rithmatic at 4.0 against Loop's 3.5. Rithmatic also leads on in-app purchases (none vs 1) and update cadence (every 2 days vs every 11 days). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Loop sells 1 one-off in-app purchase. Rithmatic asks for nothing beyond the download.

Rithmatic holds the better App Store score, 4.0 against 3.5. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews split almost evenly too, at 50% and 50% positive.

Loop ships an update every 11 days, Rithmatic every 2 days. The most recent releases landed on October 11, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Loop | Rithmatic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (2 ratings)](https://appshunter.io/ios/app/loop-melody-maker/id6762234256/reviews) | **[4.0 (4 ratings)](https://appshunter.io/ios/app/rithmatic-fm-synth/id6794107110/reviews)** |
| Number of ratings | 2 | **4** |
| Positive reviews | 50.0% of reviews | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 2 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 1 MB | 64 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [ANCREATIVE INC.](https://appshunter.io/developer/1846323282) | [MADE WITH BEST PRACTICE LLC](https://appshunter.io/developer/6779338119) |

## What reviewers say

### Loop

[App page](https://appshunter.io/ios/app/loop-melody-maker/id6762234256)

Create melodies easily with a minimalist digital audio workstation. Explore various synthesis options and effects to shape your sound. Save and export your musical ideas as high-quality WAV files for sharing or further use.

**Highlights:** Minimalist DAW interface, Multiple synthesis types (AM, FM, wavetable), Adjustable tempo and octave, Sound sculpting with envelopes, Reverb and other effects, Save and export loops as WAV, Fully offline functionality

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Premium (Lifetime) | $4.99 | one-time |


### Rithmatic

[App page](https://appshunter.io/ios/app/rithmatic-fm-synth/id6794107110)

This app is an FM synthesizer featuring a vast library of classic voices. It allows users to explore, learn, build, and blend sounds using an intuitive interface and an AUv3 plugin for DAWs. It offers a comprehensive synthesis engine and various playback options.

**Highlights:** 36,118 classic DX7 voices included, AUv3 plugin for DAWs, Patch Builder to learn FM synthesis, Sound blending feature, On-screen and MIDI keyboard support, Arpeggiator and latch function, WAV export

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Loop free?

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

### Is Rithmatic free?

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

### Which has better reviews, Loop or Rithmatic?

Rithmatic is rated higher. Loop averages 3.5 out of 5 from 2 ratings, while Rithmatic averages 4.0 from 4 ratings.

### Do Loop or Rithmatic have ads?

Neither Loop nor Rithmatic shows ads.

### Which is updated more often, Loop or Rithmatic?

Loop ships an update every 11 days, and Rithmatic every 2 days. Most recently, Loop was updated on October 11, 2026 and Rithmatic on October 13, 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.*