# GlitchStep vs VAPolyFM

The clearest difference is review sentiment: GlitchStep at 89% against VAPolyFM's 17%. GlitchStep also leads on update cadence (every 3 days vs every 17 months) and rating (4.9 vs 4.5). On ads, in-app purchases, monetization model and device support there is nothing between them.

GlitchStep costs $9.99 and VAPolyFM $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

GlitchStep holds the better App Store score, 4.9 against 4.5. Both are backed by a comparable volume of ratings — 19 and 6 respectively. Written reviews point the same way: 89% of GlitchStep's written reviews are positive against 17% of VAPolyFM's.

GlitchStep ships an update every 3 days, VAPolyFM every 17 months. The most recent releases landed on September 22, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | GlitchStep | VAPolyFM |
| --- | --- | --- |
| Price | **$9.99** | $14.99 |
| Rating | **[4.9 (19 ratings)](https://appshunter.io/ios/app/glitchstep/id6708239273/reviews)** | [4.5 (6 ratings)](https://appshunter.io/ios/app/vapolyfm/id6737108540/reviews) |
| Number of ratings | **19** | 6 |
| Positive reviews | **88.9% of reviews** | 16.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 17 months |
| Monetization | Paid | Paid |
| Size | 6 MB | 17 MB |
| Requires iOS | 17.2 | **16.6** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Alex Matheu](https://appshunter.io/developer/407790501) | [Ryo Togawa](https://appshunter.io/developer/1474193056) |

## What reviewers say

### GlitchStep

[App page](https://appshunter.io/ios/app/glitchstep/id6708239273)

This music app is a monophonic 16-step MIDI sequencer and AUv3 MIDI processor extension. It allows for real-time sequence rearrangement, song building with playlists, and dynamic performance variations. Integrate it with your favorite AUv3 hosts for enhanced music production.

**Highlights:** 16-step monophonic sequencer, AUv3 MIDI processor extension, Real-time sequence rearrangement, Pattern and slice playlists, Glitch effects with XY pad, Extensive scale options, Customizable sequence controls

**Features:** Vision Pro support

**In-app purchases:** none


### VAPolyFM

[App page](https://appshunter.io/ios/app/vapolyfm/id6737108540)

Create music with a versatile hybrid synthesizer offering both FM and virtual analog subtractive synthesis. Explore a wide range of effects, a built-in sequencer, and extensive MIDI support. Save and share projects seamlessly across iPhone, iPad, and Mac.

**Highlights:** FM synthesizer with 6 operators, Virtual analog subtractive synthesizer, Built-in effects (delay, chorus, reverb), Sequencer with piano roll editor, AudioUnit Extension (AUv3) support, Ableton Link and MIDI 2.0 support, iCloud Drive project sharing

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is GlitchStep free?

GlitchStep costs $9.99, with no in-app purchases.

### Is VAPolyFM free?

VAPolyFM costs $14.99, with no in-app purchases.

### Which has better reviews, GlitchStep or VAPolyFM?

GlitchStep is rated higher. GlitchStep averages 4.9 out of 5 from 19 ratings, while VAPolyFM averages 4.5 from 6 ratings.

### Do GlitchStep or VAPolyFM have ads?

Neither GlitchStep nor VAPolyFM shows ads.

### Which is updated more often, GlitchStep or VAPolyFM?

GlitchStep ships an update every 3 days, and VAPolyFM every 17 months. Most recently, GlitchStep was updated on September 22, 2026 and VAPolyFM on September 21, 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.*