# StepPolyArp vs VAPolyQuad

The clearest difference is review sentiment: StepPolyArp at 87% against VAPolyQuad's 0%. StepPolyArp also leads on rating (4.8 vs 4.0) and update cadence (every 2 months vs every 22 months). VAPolyQuad's advantage is in-app purchases (none vs 2) and price ($14.99 vs $19.99). On ads, monetization model, device support and iOS requirement there is nothing between them.

StepPolyArp costs $19.99 and VAPolyQuad $14.99 up front. StepPolyArp sells 2 one-off in-app purchases. VAPolyQuad asks for nothing beyond the download.

StepPolyArp holds the better App Store score, 4.8 against 4.0. That said, the two scores are not equally well evidenced: StepPolyArp has 48 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 87% of StepPolyArp's written reviews are positive against 0% of VAPolyQuad's.

StepPolyArp ships an update every 2 months, VAPolyQuad every 22 months. Both last shipped on September 22, 2026.

## The numbers

| Metric | StepPolyArp | VAPolyQuad |
| --- | --- | --- |
| Price | $19.99 | **$14.99** |
| Rating | **[4.8 (48 ratings)](https://appshunter.io/ios/app/steppolyarp/id1361313588/reviews)** | [4.0 (5 ratings)](https://appshunter.io/ios/app/vapolyquad/id6504518079/reviews) |
| Number of ratings | **48** | 5 |
| Positive reviews | **86.7% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 22 months |
| Monetization | Paid | Paid |
| Size | 38 MB | 16 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Laurent Colson](https://appshunter.io/developer/381525765) | [Ryo Togawa](https://appshunter.io/developer/1474193056) |

## What reviewers say

### StepPolyArp

[App page](https://appshunter.io/ios/app/steppolyarp/id1361313588)

This app functions as a real-time polyphonic and polyrhythmic MIDI step arpeggiator and sequencer. It can generate melodic patterns from input or operate as a standalone sequencer. Save and sync unlimited presets with iCloud, featuring extensive customization for patterns and step controllers.

**Highlights:** Standalone app and AUv3 MIDI effect plugin, Arpeggiator and step sequencer modes, Programmable step matrix with transposition lines, Polyrhythmic step controllers, Internal sound bank, Ableton Link and MIDI sync support, Unlimited preset saving with iCloud sync

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dance Horizons | $4.99 | one-time |
| Analog Sequence | $4.99 | one-time |


### VAPolyQuad

[App page](https://appshunter.io/ios/app/vapolyquad/id6504518079)

Create rich, analog-style music with this powerful polyphonic synthesizer. Explore a vast array of sound-shaping tools, including multiple oscillators, filters, and effects. Program intricate melodies and rhythms with the built-in sequencer, and seamlessly share projects across your Apple devices.

**Highlights:** Virtual analog polyphonic synthesizer, Up to 8 voice polyphony, Four oscillators per voice, Multiple resonant filters, Built-in effects suite, 16-bar sequencer with piano roll, Audio Unit Extension (AUv3) support

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is StepPolyArp free?

StepPolyArp costs $19.99, and also offers in-app purchases.

### Is VAPolyQuad free?

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

### Which has better reviews, StepPolyArp or VAPolyQuad?

StepPolyArp is rated higher. StepPolyArp averages 4.8 out of 5 from 48 ratings, while VAPolyQuad averages 4.0 from 5 ratings.

### Do StepPolyArp or VAPolyQuad have ads?

Neither StepPolyArp nor VAPolyQuad shows ads.

### Which is updated more often, StepPolyArp or VAPolyQuad?

StepPolyArp ships an update every 2 months, and VAPolyQuad every 22 months. Most recently, StepPolyArp was updated on September 22, 2026 and VAPolyQuad on September 22, 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.*