# VAPolyTZFM vs Oscidia

The clearest difference is price: VAPolyTZFM at $5.99 against Oscidia's $14.99. Oscidia's advantage is review sentiment (88% vs 50%) and update cadence (monthly vs every 9 months). On rating, ads, in-app purchases and monetization model there is nothing between them.

VAPolyTZFM costs $5.99 and Oscidia $14.99 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 — 5.0 for VAPolyTZFM against 5.0 for Oscidia. Both are backed by a comparable volume of ratings — 3 and 11 respectively. Written reviews are what separate them: 50% of VAPolyTZFM's written reviews are positive against 88% of Oscidia's.

VAPolyTZFM ships an update every 9 months, Oscidia monthly. The most recent releases landed on September 6, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | VAPolyTZFM | Oscidia |
| --- | --- | --- |
| Price | **$5.99** | $14.99 |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/vapolytzfm/id6747690642/reviews) | [5.0 (11 ratings)](https://appshunter.io/ios/app/oscidia/id6748944379/reviews) |
| Number of ratings | 3 | **11** |
| Positive reviews | 50.0% of reviews | **87.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Monthly** |
| Monetization | Paid | Paid |
| Size | 17 MB | 168 MB |
| Requires iOS | 16.6 | **13** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ryo Togawa](https://appshunter.io/developer/1474193056) | [4Pockets.com](https://appshunter.io/developer/370131860) |

## What reviewers say

### VAPolyTZFM

[App page](https://appshunter.io/ios/app/vapolytzfm/id6747690642)

This app is a polyphonic synthesizer that utilizes Through Zero FM for musical sound generation. It offers a standalone mode with Ableton Link and MIDI support, as well as an AudioUnit Extension for use with other music software. Built-in effects and iCloud Drive integration enhance its creative capabilities.

**Highlights:** Through Zero FM synthesis, AudioUnit Extension (AUv3) support, Ableton Link and MIDI connectivity, Built-in effects suite, iCloud Drive project sharing, Analog style step sequencer, Up to 8 voice polyphony

**Features:** Vision Pro support

**In-app purchases:** none


### Oscidia

[App page](https://appshunter.io/ios/app/oscidia/id6748944379)

This powerful synthesizer app allows iOS users to create a vast array of sounds using multiple oscillators, wavetable synthesis, and advanced modulation options. It features a versatile sequencer with independent arpeggiators and built-in effects for complex sound design.

**Highlights:** 3 Oscillators Per Voice, Wavetable & Additive Synthesis, Morphing & Warping Wavetables, 5 Morphable Filter Types, 3 Independent Arpeggiators, Mod Matrix, Internal Effects Suite

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

**In-app purchases:** none


## Frequently asked questions

### Is VAPolyTZFM free?

VAPolyTZFM costs $5.99, with no in-app purchases.

### Is Oscidia free?

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

### Which has better reviews, VAPolyTZFM or Oscidia?

VAPolyTZFM and Oscidia are both rated 5.0 out of 5 on the App Store, from 3 and 11 ratings respectively.

### Do VAPolyTZFM or Oscidia have ads?

Neither VAPolyTZFM nor Oscidia shows ads.

### Which is updated more often, VAPolyTZFM or Oscidia?

VAPolyTZFM ships an update every 9 months, and Oscidia monthly. Most recently, VAPolyTZFM was updated on September 6, 2026 and Oscidia 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.*