# ARIA ONE vs Microtonal Lab

The clearest difference is price: ARIA ONE at Free against Microtonal Lab's $6.99. ARIA ONE also leads on update cadence (weekly vs every 2 months) and iOS requirement (15.0 vs 18.0). Microtonal Lab's advantage is in-app purchases (none vs 1). On ads and device support there is nothing between them.

ARIA ONE is free to download; Microtonal Lab costs $6.99 up front. ARIA ONE sells 1 one-off in-app purchase. Microtonal Lab asks for nothing beyond the download.

ARIA ONE ships an update weekly, Microtonal Lab every 2 months. Both last shipped on October 28, 2026.

## The numbers

| Metric | ARIA ONE | Microtonal Lab |
| --- | --- | --- |
| Price | **Free** | $6.99 |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/microtonal-lab/id6786773427/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | — | Paid |
| Size | 443 MB | 90 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Altitude Audio](https://appshunter.io/developer/1736195719) | [Martin Adler](https://appshunter.io/developer/1896354791) |

## What reviewers say

### ARIA ONE

[App page](https://appshunter.io/ios/app/aria-one/id6761255827)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ARIA AI Credits — 20 Pack | $19.99 | one-time |


### Microtonal Lab

[App page](https://appshunter.io/ios/app/microtonal-lab/id6786773427)

Explore music beyond the traditional 12-note scale with this comprehensive microtonal studio. Create custom scales, play a microtonal keyboard, sequence patterns, and perform live with a launchpad. Export your creations as MIDI files for further production.

**Highlights:** Harmonic Galaxy visualizer, Microtonal keyboard with custom scales, 32-step sequencer with FX, Launchpad for live performance, Extensive world scale library, Multiple tuning systems support, MIDI export for DAWs

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

**In-app purchases:** none


## Frequently asked questions

### Is ARIA ONE free?

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

### Is Microtonal Lab free?

Microtonal Lab costs $6.99, with no in-app purchases.

### Do ARIA ONE or Microtonal Lab have ads?

Neither ARIA ONE nor Microtonal Lab shows ads.

### Which is updated more often, ARIA ONE or Microtonal Lab?

ARIA ONE ships an update weekly, and Microtonal Lab every 2 months. Most recently, ARIA ONE was updated on October 28, 2026 and Microtonal Lab on October 28, 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.*