# Strange Loop vs PNEUMATIC

The clearest difference is in-app purchases: PNEUMATIC at none against Strange Loop's 1. On price, rating, review sentiment and ratings volume there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Strange Loop against 5.0 for PNEUMATIC. Both are backed by a comparable volume of ratings — 9 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

## The numbers

| Metric | Strange Loop | PNEUMATIC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (9 ratings)](https://appshunter.io/ios/app/strange-loop-chaos-melody/id6795408783/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/pneumatic/id6816378252/reviews) |
| Number of ratings | **9** | 4 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 23 MB | 16 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Soft Brew Mobile](https://appshunter.io/developer/561703410) | [Anthony Moran](https://appshunter.io/developer/6786293116) |

## What reviewers say

### Strange Loop

[App page](https://appshunter.io/ios/app/strange-loop-chaos-melody/id6795408783)

This app generates unique, non-repeating music using chaos theory and AI. Users can influence the composition by painting on mathematical attractors and mood pads, choosing from various scales, accompaniment styles, and synthesized sounds. It also functions as an AUv3 instrument and MIDI processor.

**Highlights:** AI-generated, non-repeating music, Interactive painting on attractors and mood pads, 26 scales and 7 accompaniment styles, Sampled grand piano and synthesized voices, AUv3 instrument and MIDI processor, MIDI file export, Real-time visual scopes

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock AUV3 Plugin | $2.99 | one-time |


### PNEUMATIC

[App page](https://appshunter.io/ios/app/pneumatic/id6816378252)

This app simulates a unique valve pressure synthesizer, allowing users to control pressure, tune resonance, and add buzzing whistles. It can be played directly on screen or with a MIDI keyboard, offering a distinctive soundscape.

**Highlights:** Pressure control, Resonant tuning, Buzzing whistle effect, MIDI keyboard support, Save and load presets, AUv3 instrument

**In-app purchases:** none


## Frequently asked questions

### Is Strange Loop free?

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

### Is PNEUMATIC free?

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

### Which has better reviews, Strange Loop or PNEUMATIC?

Strange Loop and PNEUMATIC are both rated 5.0 out of 5 on the App Store, from 9 and 4 ratings respectively.

### Do Strange Loop or PNEUMATIC have ads?

Neither Strange Loop nor PNEUMATIC shows ads.

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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.*