# Pendulums vs Pixelsynth

The clearest difference is in-app purchases: Pixelsynth at none against Pendulums's 1. Pendulums's advantage is update cadence (every 4 days vs every 9 days) and device support (4 vs 2). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Pendulums against 5.0 for Pixelsynth. Both are backed by a comparable volume of ratings — 3 and 4 respectively.

Pendulums ships an update every 4 days, Pixelsynth every 9 days. The most recent releases landed on October 16, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Pendulums | Pixelsynth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/pendulums-chaos-melody/id6803192958/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/pixelsynth-auv3-visual-synth/id6804130647/reviews) |
| Number of ratings | 3 | **4** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 9 days |
| Monetization | Free | Free |
| Size | 25 MB | 8 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Soft Brew Mobile](https://appshunter.io/developer/561703410) | [de Bastion, Inc](https://appshunter.io/developer/1871510214) |

## What reviewers say

### Pendulums

[App page](https://appshunter.io/ios/app/pendulums-chaos-melody/id6803192958)

This app generates unique musical compositions based on the principles of chaos theory and physics. Users can interact with a pendulum system to influence the music's structure, mood, and instrumentation in real-time. It offers a dynamic and unpredictable audio experience with no pre-recorded loops.

**Highlights:** Chaos theory-driven music generation, Interactive pendulum physics control, Dynamic song structure based on divergence, 26 diverse musical scales, 8 accompaniment styles, Multiple sampled and synthesized instruments, 6 mood settings, Live visual displays of physics and music

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock AUv3 | $1.99 | one-time |


### Pixelsynth

[App page](https://appshunter.io/ios/app/pixelsynth-auv3-visual-synth/id6804130647)

This app transforms musical input into a vibrant visual experience, allowing users to see and shape their sound in real-time. It offers a playful and immediate way to create music, with all controls and feedback displayed on a single screen. Designed by a Deaf musician, it prioritizes visual feedback as an integral part of the instrument.

**Highlights:** Real-time visual sound shaping, Interactive 16-pad grid, Adjustable waveforms, filters, and envelopes, LFO, delay, and reverb effects, AUv3 instrument compatibility, Offline functionality

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

**In-app purchases:** none


## Frequently asked questions

### Is Pendulums free?

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

### Is Pixelsynth free?

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

### Which has better reviews, Pendulums or Pixelsynth?

Pendulums and Pixelsynth are both rated 5.0 out of 5 on the App Store, from 3 and 4 ratings respectively.

### Do Pendulums or Pixelsynth have ads?

Neither Pendulums nor Pixelsynth shows ads.

### Which is updated more often, Pendulums or Pixelsynth?

Pendulums ships an update every 4 days, and Pixelsynth every 9 days. Most recently, Pendulums was updated on October 16, 2026 and Pixelsynth on October 29, 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.*