# Motion Synth vs Polywave

The clearest difference is rating: Polywave at 4.7 against Motion Synth's 3.5. Polywave also leads on device support (4 vs 2). Motion Synth's advantage is in-app purchases (none vs 1) and iOS requirement (9.0 vs 15.0). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. Polywave sells 1 one-off in-app purchase. Motion Synth asks for nothing beyond the download.

Polywave holds the better App Store score, 4.7 against 3.5. Both are backed by a comparable volume of ratings — 40 and 34 respectively. Written reviews point the same way: 73% of Motion Synth's written reviews are positive against 80% of Polywave's.

Motion Synth ships an update every 4 months, Polywave every 3 months. The most recent releases landed on October 13, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Motion Synth | Polywave |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (40 ratings)](https://appshunter.io/ios/app/motion-synth/id945266624/reviews) | **[4.7 (34 ratings)](https://appshunter.io/ios/app/polywave-wavetable-synth/id1579538271/reviews)** |
| Number of ratings | **40** | 34 |
| Positive reviews | 73.3% of reviews | **80.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 48 MB | 44 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [AUUG](https://appshunter.io/developer/945266623) | [Fingerlab](https://appshunter.io/developer/412786610) |

## What reviewers say

### Motion Synth

[App page](https://appshunter.io/ios/app/motion-synth/id945266624)

This app turns your iPhone or iPod touch into a musical instrument. Play notes with touch and control sound with motion. It can be used standalone, with other iOS music apps, or even external hardware and laptop software.

**Highlights:** Play notes via touch, Shape sound through motion, Control in-app sounds, Control other iOS music apps, Control external hardware synths, Control laptop audio/visual software

**Features:** macOS Compatibility

**In-app purchases:** none


### Polywave

[App page](https://appshunter.io/ios/app/polywave-wavetable-synth/id1579538271)

Create unique, evolving sonic experiences with a novel wavetable sequencer inspired by vintage synths. Draw your own waveforms, explore a vast library, and connect to external keyboards or DAWs. Record your creations directly within the app.

**Highlights:** Wavetable sequencer, Custom waveform drawing, Expansive waveform library, 100+ factory presets, MIDI and Audio Unit support, Live recording module, 8-voice polyphony

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $11.99 | one-time |


## Frequently asked questions

### Is Motion Synth free?

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

### Is Polywave free?

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

### Which has better reviews, Motion Synth or Polywave?

Polywave is rated higher. Motion Synth averages 3.5 out of 5 from 40 ratings, while Polywave averages 4.7 from 34 ratings.

### Do Motion Synth or Polywave have ads?

Neither Motion Synth nor Polywave shows ads.

### Which is updated more often, Motion Synth or Polywave?

Motion Synth ships an update every 4 months, and Polywave every 3 months. Most recently, Motion Synth was updated on October 13, 2026 and Polywave on October 15, 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.*