# Rivet 01 vs Rithmatic

The clearest difference is review sentiment: Rivet 01 at 100% against Rithmatic's 50%. Rivet 01 also leads on rating (5.0 vs 4.0). Rithmatic's advantage is in-app purchases (none vs 3) and update cadence (every 2 days vs every 10 days). On price, ratings volume and ads there is nothing between them.

Both are free to download. Rivet 01 sells 3 one-off in-app purchases. Rithmatic asks for nothing beyond the download.

Rivet 01 holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 3 and 4 respectively. Written reviews point the same way: 100% of Rivet 01's written reviews are positive against 50% of Rithmatic's.

Rivet 01 ships an update every 10 days, Rithmatic every 2 days. The most recent releases landed on October 16, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Rivet 01 | Rithmatic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/rivet-01-console/id6758555219/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/rithmatic-fm-synth/id6794107110/reviews) |
| Number of ratings | 3 | **4** |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 2 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 4 MB | 64 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Joe Topjian](https://appshunter.io/developer/1860697112) | [MADE WITH BEST PRACTICE LLC](https://appshunter.io/developer/6779338119) |

## What reviewers say

### Rivet 01

[App page](https://appshunter.io/ios/app/rivet-01-console/id6758555219)

This audio effect plugin adds saturation and drive to your music, perfect for techno and industrial genres. It can be used on drum, synth, or mix buses to enhance weight and grit, offering subtle warmth to aggressive crunch. It functions as both a standalone app and an AUv3 plugin.

**Highlights:** Console-style saturation and drive, AUv3 plugin compatibility, Standalone app functionality, Oversampling for clean high-drive, High pass filtering, Pedal-style character

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip - Small | $0.99 | one-time |
| Tip - Medium | $1.99 | one-time |
| Tip - Large | $3.99 | 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 Rivet 01 free?

Rivet 01 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, Rivet 01 or Rithmatic?

Rivet 01 is rated higher. Rivet 01 averages 5.0 out of 5 from 3 ratings, while Rithmatic averages 4.0 from 4 ratings.

### Do Rivet 01 or Rithmatic have ads?

Neither Rivet 01 nor Rithmatic shows ads.

### Which is updated more often, Rivet 01 or Rithmatic?

Rivet 01 ships an update every 10 days, and Rithmatic every 2 days. Most recently, Rivet 01 was updated on October 16, 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.*