# JAX SR vs VAPolyMT

The clearest difference is update cadence: JAX SR at monthly against VAPolyMT's every 11 months. JAX SR also leads on iOS requirement (14.0 vs 16.6). VAPolyMT's advantage is price ($3.99 vs $6.99) and ratings volume (4 vs 1). On rating, ads, in-app purchases and monetization model there is nothing between them.

JAX SR costs $6.99 and VAPolyMT $3.99 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 JAX SR against 5.0 for VAPolyMT. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

JAX SR ships an update monthly, VAPolyMT every 11 months. The most recent releases landed on September 23, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | JAX SR | VAPolyMT |
| --- | --- | --- |
| Price | $6.99 | **$3.99** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/jax-sr-chorus/id1636821650/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/vapolymt/id6743886961/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 11 months |
| Monetization | Paid | Paid |
| Size | 21 MB | 18 MB |
| Requires iOS | **14.0** | 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

### JAX SR

[App page](https://appshunter.io/ios/app/jax-sr-chorus/id1636821650)

This audio effect processor allows selective frequency range processing for modulation effects. It offers a classic chorus with MIDI control and aims to avoid negative side effects by targeting specific frequency bands.

**Highlights:** Selective frequency range processing, Classic chorus modulation, Optional direct MIDI control, Universal app for multiple Apple platforms, Avoids negative side effects of full-range effects

**Features:** macOS Compatibility

**In-app purchases:** none


### VAPolyMT

[App page](https://appshunter.io/ios/app/vapolymt/id6743886961)

This powerful synthesizer app offers bi-timbral polyphony with analog-style sequencers and assignable macro controls. It functions as a standalone application or an AudioUnit Extension, supporting MIDI, Ableton Link, and audio export. Project files are savable via iCloud Drive for cross-platform access.

**Highlights:** Bi-timbral polyphonic synthesizer, Analog-style step sequencer per timbre, Assignable macro controls, AudioUnit Extension (AUv3) support, Ableton Link and MIDI support, iCloud Drive project sharing, Built-in effects and piano roll editor

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is JAX SR free?

JAX SR costs $6.99, with no in-app purchases.

### Is VAPolyMT free?

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

### Which has better reviews, JAX SR or VAPolyMT?

JAX SR and VAPolyMT are both rated 5.0 out of 5 on the App Store, from 1 and 4 ratings respectively.

### Do JAX SR or VAPolyMT have ads?

Neither JAX SR nor VAPolyMT shows ads.

### Which is updated more often, JAX SR or VAPolyMT?

JAX SR ships an update monthly, and VAPolyMT every 11 months. Most recently, JAX SR was updated on September 23, 2026 and VAPolyMT 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.*