# Melthaven vs VAPolyFMWest

The clearest difference is in-app purchases: VAPolyFMWest at none against Melthaven's 1. VAPolyFMWest also leads on update cadence (every 4 days vs every 6 weeks). Melthaven's advantage is price ($2.99 vs $3.99). On rating, ratings volume, ads and device support there is nothing between them.

Melthaven costs $2.99 and VAPolyFMWest $3.99 up front. Melthaven sells 1 one-off in-app purchase. VAPolyFMWest asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Melthaven against 5.0 for VAPolyFMWest. Both are backed by a comparable volume of ratings — 4 and 4 respectively.

Melthaven ships an update every 6 weeks, VAPolyFMWest every 4 days. The most recent releases landed on October 22, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Melthaven | VAPolyFMWest |
| --- | --- | --- |
| Price | **$2.99** | $3.99 |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/melthaven/id6761633340/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/vapolyfmwest/id6770355973/reviews) |
| Number of ratings | 4 | 4 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 4 days** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 23 MB | 19 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [quantovox](https://appshunter.io/developer/484686124) | [Ryo Togawa](https://appshunter.io/developer/1474193056) |

## What reviewers say

### Melthaven

[App page](https://appshunter.io/ios/app/melthaven/id6761633340)

This app provides a note-triggered phase shifter for guitarists, bassists, and synthesizers. It offers organic, rhythmic movement that syncs to your playing, with analog-modeled filters for diverse sonic textures. Enhance loops or create experimental sounds with its input-dependent modulation.

**Highlights:** Note-triggered phase shifting, Analog-modeled OTA filters, Responds to guitar and bass transients, Enhances pre-recorded loops, Input-dependent synth modulation, Low-latency engine

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Melthaven Pro | $4.99 | one-time |


### VAPolyFMWest

[App page](https://appshunter.io/ios/app/vapolyfmwest/id6770355973)

This app combines FM and West Coast synthesis with a 4-operator FM engine and wave folder/lowpass gate. It offers a standalone mode with Ableton Link and MIDI support, plus an AudioUnit Extension for iOS and Mac. Includes built-in effects and a step sequencer.

**Highlights:** 4-operator FM synthesizer, Wave folder and lowpass gate, AudioUnit Extension (AUv3) support, Ableton Link and MIDI connectivity, Built-in delay, chorus, reverb, EQ, compressor, 3-channel step sequencer, iCloud Drive project sharing

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Melthaven free?

Melthaven costs $2.99, and also offers in-app purchases.

### Is VAPolyFMWest free?

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

### Which has better reviews, Melthaven or VAPolyFMWest?

Melthaven and VAPolyFMWest are both rated 5.0 out of 5 on the App Store, from 4 and 4 ratings respectively.

### Do Melthaven or VAPolyFMWest have ads?

Neither Melthaven nor VAPolyFMWest shows ads.

### Which is updated more often, Melthaven or VAPolyFMWest?

Melthaven ships an update every 6 weeks, and VAPolyFMWest every 4 days. Most recently, Melthaven was updated on October 22, 2026 and VAPolyFMWest on October 28, 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.*