# KQ Unotone Legacy vs POLYMACHINE

The clearest difference is price: POLYMACHINE at Free against KQ Unotone Legacy's $7.99. POLYMACHINE also leads on update cadence (every 5 days vs every 6 weeks). KQ Unotone Legacy's advantage is rating (4.8 vs 3.5) and in-app purchases (none vs 5). On ratings volume and device support there is nothing between them.

POLYMACHINE is free to download; KQ Unotone Legacy costs $7.99 up front. POLYMACHINE sells 5 one-off in-app purchases. KQ Unotone Legacy asks for nothing beyond the download.

KQ Unotone Legacy holds the better App Store score, 4.8 against 3.5. Both are backed by a comparable volume of ratings — 23 and 17 respectively. Written reviews point the same way: 95% of KQ Unotone Legacy's written reviews are positive against 75% of POLYMACHINE's.

KQ Unotone Legacy ships an update every 6 weeks, POLYMACHINE every 5 days. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | KQ Unotone Legacy | POLYMACHINE |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | **[4.8 (23 ratings)](https://appshunter.io/ios/app/kq-unotone-legacy/id1478535391/reviews)** | [3.5 (17 ratings)](https://appshunter.io/ios/app/polymachine/id6761276852/reviews) |
| Number of ratings | **23** | 17 |
| Positive reviews | **94.7% of reviews** | 75.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 5 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 4 MB | 116 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ryouta Kira](https://appshunter.io/developer/862984358) | [Mike Gao](https://appshunter.io/developer/384844113) |

## What reviewers say

### KQ Unotone Legacy

[App page](https://appshunter.io/ios/app/kq-unotone-legacy/id1478535391)

This synthesizer app offers a fun way to create electronic music with adjustable oscillators, a low-pass filter, and a delay effect. It supports advanced audio routing and can also function as an effector for other instruments.

**Highlights:** 2 Oscillators, LPF (Low-Pass Filter), Delay effector, Ribbon controller, Audio Unit v3 support, Audiobus support, Inter-App Audio support

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

**In-app purchases:** none


### POLYMACHINE

[App page](https://appshunter.io/ios/app/polymachine/id6761276852)

This app offers analog-modeled filters, a vocal chain, and vocal tuning for music production. It aims to be a game-changer for creating music.

**Highlights:** Analog-modeled filters, Vocal chain processing, Vocal tuning, Music production tools

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sound Expansion | $1.99 | one-time |
| Eurorack Sequencer | $9.99 | one-time |
| MIGAMO BRUTUS GERMANIUM | $9.99 | one-time |
| MIGAMO Filters | $12.99 | one-time |
| Pro Features | $34.99 | one-time |


## Frequently asked questions

### Is KQ Unotone Legacy free?

KQ Unotone Legacy costs $7.99, with no in-app purchases.

### Is POLYMACHINE free?

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

### Which has better reviews, KQ Unotone Legacy or POLYMACHINE?

KQ Unotone Legacy is rated higher. KQ Unotone Legacy averages 4.8 out of 5 from 23 ratings, while POLYMACHINE averages 3.5 from 17 ratings.

### Do KQ Unotone Legacy or POLYMACHINE have ads?

POLYMACHINE shows ads; KQ Unotone Legacy does not.

### Which is updated more often, KQ Unotone Legacy or POLYMACHINE?

KQ Unotone Legacy ships an update every 6 weeks, and POLYMACHINE every 5 days. Most recently, KQ Unotone Legacy was updated on November 3, 2026 and POLYMACHINE on November 7, 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.*