# PolyPhase vs mKer

The clearest difference is price: mKer at $3.99 against PolyPhase's $19.99. PolyPhase's advantage is review sentiment (76% vs 64%) and iOS requirement (10.0 vs 13.0). On rating, ratings volume, update cadence and ads there is nothing between them.

PolyPhase costs $19.99 and mKer $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.6 for PolyPhase against 4.5 for mKer. Both are backed by a comparable volume of ratings — 26 and 22 respectively. Written reviews are what separate them: 76% of PolyPhase's written reviews are positive against 64% of mKer's.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 7, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | PolyPhase | mKer |
| --- | --- | --- |
| Price | $19.99 | **$3.99** |
| Rating | **[4.6 (26 ratings)](https://appshunter.io/ios/app/polyphase/id1440617668/reviews)** | [4.5 (22 ratings)](https://appshunter.io/ios/app/mker/id1635296839/reviews) |
| Number of ratings | **26** | 22 |
| Positive reviews | **76.2% of reviews** | 63.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Paid | Paid |
| Size | 35 MB | 57 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Marcos Kohler](https://appshunter.io/developer/1024379665) | [Axart Labs OU](https://appshunter.io/developer/1814434331) |

## What reviewers say

### PolyPhase

[App page](https://appshunter.io/ios/app/polyphase/id1440617668)

Create complex, interwoven melodies and rhythms with a generative sequencer. Control note generation, randomize sequences, and integrate with external MIDI hardware or the included wavetable synthesizer. Save and recall your creations with presets and snapshots.

**Highlights:** Generative melody creation with phase offsets, 8 independent sequencers with customizable properties, Draw own notes or use intelligent randomization, Wavetable synthesizer with FX, MIDI output and input support, Global Key/Scale filtering and Chord Masks, Save/Load presets and Snapshots

**In-app purchases:** none


### mKer

[App page](https://appshunter.io/ios/app/mker/id1635296839)

A versatile MIDI step sequencer designed for music creation. It offers multiple outputs, extensive pattern and lane customization, and advanced step editing. Best used within an AUv3 host app for sound generation.

**Highlights:** 8 MIDI outputs, 64 Patterns with 16 Lanes each, Customizable Steps and Step Size per Lane, Advanced Step Parameters (Pitch, Velocity, Probability, etc.), Flexible Editor with Step Entry Keyboard, 32 Clips with Repeat Functionality, Performance Tab with Assignable Sliders and Morphing

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PolyPhase free?

PolyPhase costs $19.99, with no in-app purchases.

### Is mKer free?

mKer costs $3.99, with no in-app purchases.

### Which has better reviews, PolyPhase or mKer?

PolyPhase is rated higher. PolyPhase averages 4.6 out of 5 from 26 ratings, while mKer averages 4.5 from 22 ratings.

### Do PolyPhase or mKer have ads?

Neither PolyPhase nor mKer shows ads.

### Which is updated more often, PolyPhase or mKer?

PolyPhase ships an update every 3 weeks, and mKer every 3 weeks. Most recently, PolyPhase was updated on October 7, 2026 and mKer on October 6, 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.*