# VAPolyMT vs Centz

The clearest difference is price: Centz at Free against VAPolyMT's $14.99. Centz also leads on update cadence (every 3 weeks vs every 11 months). VAPolyMT's advantage is in-app purchases (none vs 1) and iOS requirement (16.6 vs 26.0). On ads and device support there is nothing between them.

Centz is free to download; VAPolyMT costs $14.99 up front. Centz sells 1 one-off in-app purchase. VAPolyMT asks for nothing beyond the download.

VAPolyMT ships an update every 11 months, Centz every 3 weeks. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | VAPolyMT | Centz |
| --- | --- | --- |
| Price | $14.99 | **Free** |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/vapolymt/id6743886961/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 3 weeks** |
| Monetization | Paid | — |
| Size | 18 MB | 5 MB |
| Requires iOS | **16.6** | 26.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ryo Togawa](https://appshunter.io/developer/1474193056) | [Greg Raine](https://appshunter.io/developer/1896538832) |

## What reviewers say

### 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


### Centz

[App page](https://appshunter.io/ios/app/centz-tuner/id6785661649)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Centz Pro | $3.99 | one-time |


## Frequently asked questions

### Is VAPolyMT free?

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

### Is Centz free?

Centz is free to download, with in-app purchases available.

### Do VAPolyMT or Centz have ads?

Neither VAPolyMT nor Centz shows ads.

### Which is updated more often, VAPolyMT or Centz?

VAPolyMT ships an update every 11 months, and Centz every 3 weeks. Most recently, VAPolyMT was updated on November 4, 2026 and Centz on November 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*