# Rithmatic vs Aureline

The clearest difference is device support: Rithmatic at 4 against Aureline's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Rithmatic ships an update every 2 days, Aureline daily. The most recent releases landed on October 13, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Rithmatic | Aureline |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/rithmatic-fm-synth/id6794107110/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 days | **Daily** |
| Monetization | Free | — |
| Size | 64 MB | 4 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [MADE WITH BEST PRACTICE LLC](https://appshunter.io/developer/6779338119) | [Hideki Konishi](https://appshunter.io/developer/6790603370) |

## What reviewers say

### 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


### Aureline

[App page](https://appshunter.io/ios/app/aureline/id6794556772)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Rithmatic free?

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

### Is Aureline free?

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

### Do Rithmatic or Aureline have ads?

Neither Rithmatic nor Aureline shows ads.

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

Rithmatic ships an update every 2 days, and Aureline daily. Most recently, Rithmatic was updated on October 13, 2026 and Aureline on October 6, 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.*