# Discovery AUv3 Synth vs VAPolyFM

Discovery AUv3 Synth and VAPolyFM both sit at 4.3 stars, but that hides the real split: 76% of Discovery AUv3 Synth's written reviews are positive against 17% of VAPolyFM's. Discovery AUv3 Synth also leads on update cadence (weekly vs every 17 months) and chart position (#193 vs unranked). VAPolyFM's advantage is price ($3.99 vs $19.99). On rating, ratings volume, ads and in-app purchases there is nothing between them.

Discovery AUv3 Synth costs $19.99 and VAPolyFM $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

VAPolyFM holds the better App Store score, 4.5 against 4.3. Both are backed by a comparable volume of ratings — 6 and 6 respectively. Written reviews complicate that: 76% of Discovery AUv3 Synth's written reviews are positive against 17% of VAPolyFM's, so the app with the better star average is not the one people write more warmly about.

Discovery AUv3 Synth ships an update weekly, VAPolyFM every 17 months. The most recent releases landed on October 25, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Discovery AUv3 Synth | VAPolyFM |
| --- | --- | --- |
| Price | $19.99 | **$3.99** |
| Rating | [4.3 (6 ratings)](https://appshunter.io/ios/app/discovery-auv3-synth/id6695741686/reviews) | **[4.5 (6 ratings)](https://appshunter.io/ios/app/vapolyfm/id6737108540/reviews)** |
| Number of ratings | 6 | 6 |
| Positive reviews | **76.2% of reviews** | 16.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 17 months |
| Monetization | Paid | Paid |
| Best chart rank | **#193** | — |
| Size | 42 MB | 17 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [DiscoDSP LLC](https://appshunter.io/developer/1465262828) | [Ryo Togawa](https://appshunter.io/developer/1474193056) |

## What reviewers say

### Discovery AUv3 Synth

[App page](https://appshunter.io/ios/app/discovery-auv3-synth/id6695741686)

**Currently charting:** #193 Top Paid · Music (US App Store)

This powerful virtual analog synthesizer offers a vast sound library and advanced features for musicians and sound designers. Create complex sounds with multi-layering, morphing parameters, and built-in effects. Import classic synth patches and utilize rhythmic tools for unique sonic exploration.

**Highlights:** 4 Layers Per Patch, Over 3,500 Presets, Nord Lead 2 Patch Import, Parameter Morphing, Built-in Effects (Chorus, Phaser, Delay), Advanced Filters (8 types), Gate and Arpeggiator

**Features:** macOS Compatibility

**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 Discovery AUv3 Synth free?

Discovery AUv3 Synth costs $19.99, with no in-app purchases.

### Is VAPolyFM free?

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

### Which has better reviews, Discovery AUv3 Synth or VAPolyFM?

VAPolyFM is rated higher. Discovery AUv3 Synth averages 4.3 out of 5 from 6 ratings, while VAPolyFM averages 4.5 from 6 ratings.

### Do Discovery AUv3 Synth or VAPolyFM have ads?

Neither Discovery AUv3 Synth nor VAPolyFM shows ads.

### Which is updated more often, Discovery AUv3 Synth or VAPolyFM?

Discovery AUv3 Synth ships an update weekly, and VAPolyFM every 17 months. Most recently, Discovery AUv3 Synth was updated on October 25, 2026 and VAPolyFM on October 26, 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.*