# JAF Collection vs VAPolyMkII

The clearest difference is price: VAPolyMkII at $3.99 against JAF Collection's $12.99. JAF Collection's advantage is rating (4.9 vs 4.5) and review sentiment (87% vs 67%). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

JAF Collection costs $12.99 and VAPolyMkII $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

JAF Collection holds the better App Store score, 4.9 against 4.5. Both are backed by a comparable volume of ratings — 20 and 11 respectively. Written reviews point the same way: 87% of JAF Collection's written reviews are positive against 67% of VAPolyMkII's.

JAF Collection ships an update every 9 days, VAPolyMkII weekly. The most recent releases landed on October 28, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | JAF Collection | VAPolyMkII |
| --- | --- | --- |
| Price | $12.99 | **$3.99** |
| Rating | **[4.9 (20 ratings)](https://appshunter.io/ios/app/jaf-collection/id1472896422/reviews)** | [4.5 (11 ratings)](https://appshunter.io/ios/app/vapolymkii/id6476809566/reviews) |
| Number of ratings | **20** | 11 |
| Positive reviews | **86.7% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | **Weekly** |
| Monetization | Paid | Paid |
| Size | 12 MB | 16 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Jens Guell](https://appshunter.io/developer/1195004865) | [Ryo Togawa](https://appshunter.io/developer/1474193056) |

## What reviewers say

### JAF Collection

[App page](https://appshunter.io/ios/app/jaf-collection/id1472896422)

This audio effects collection offers digital models of classic analog synthesizer filters for iOS devices. It provides professional analog sound and optimized touchscreen interaction, functioning as standalone apps or Audio Units within other hosts.

**Highlights:** Digital models of classic analog synthesizer filters, Optimized for touchscreen interaction, Standalone host applications included, Audio Units (AU) plugin support, Unison oscillator section for testing and live performance, MIDI connectivity and control

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

**In-app purchases:** none


### VAPolyMkII

[App page](https://appshunter.io/ios/app/vapolymkii/id6476809566)

This virtual analog synthesizer offers a 16-voice bitimbral polyphonic sound engine with two distinct filter models and extensive modulation options. It includes a built-in sequencer, various effects, and supports AudioUnit Extension for integration with DAWs. Projects can be synced across iPhone, iPad, and Mac via iCloud.

**Highlights:** 16-voice bitimbral polyphonic synthesizer, Two analog-modeled filter types, Extensive modulation capabilities, Built-in piano roll sequencer, Multiple audio effects, AudioUnit Extension (AUv3) support, iCloud Drive project syncing

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is JAF Collection free?

JAF Collection costs $12.99, with no in-app purchases.

### Is VAPolyMkII free?

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

### Which has better reviews, JAF Collection or VAPolyMkII?

JAF Collection is rated higher. JAF Collection averages 4.9 out of 5 from 20 ratings, while VAPolyMkII averages 4.5 from 11 ratings.

### Do JAF Collection or VAPolyMkII have ads?

Neither JAF Collection nor VAPolyMkII shows ads.

### Which is updated more often, JAF Collection or VAPolyMkII?

JAF Collection ships an update every 9 days, and VAPolyMkII weekly. Most recently, JAF Collection was updated on October 28, 2026 and VAPolyMkII on October 27, 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.*