# TriKey vs Autony

The clearest difference is update cadence: Autony at every 5 days against TriKey's every 2 months. Autony also leads on price ($3.99 vs $9.99) and device support (3 vs 1). TriKey's advantage is iOS requirement (12.0 vs 15.6). On ads and in-app purchases there is nothing between them.

TriKey costs $9.99 and Autony $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

TriKey ships an update every 2 months, Autony every 5 days. The most recent releases landed on October 3, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | TriKey | Autony |
| --- | --- | --- |
| Price | $9.99 | **$3.99** |
| Rating | — | **[4.5 (40 ratings)](https://appshunter.io/ios/app/autony/id1440149545/reviews)** |
| Number of ratings | — | **40** |
| Positive reviews | — | 60.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | — | Paid |
| Size | 5 MB | 1 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Marcos Kohler](https://appshunter.io/developer/1024379665) | [Pagefall limited](https://appshunter.io/developer/1440149544) |

## What reviewers say

### TriKey

[App page](https://appshunter.io/ios/app/trikey/id1406537477)

**In-app purchases:** none


### Autony

[App page](https://appshunter.io/ios/app/autony/id1440149545)

This app generates evolving musical sequences using a MIDI signal. It can be constrained to scales and chords, transposed, and mutated for dynamic musical output. All controls are MIDI-automatable and it requires a host app to function.

**Highlights:** Generates evolving musical sequences, MIDI output for synths and hardware, Constrain sequences to scales and chords, On-the-fly transposition, Sequence mutation for dynamic evolution, MIDI automation of all controls

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

**In-app purchases:** none


## Frequently asked questions

### Is TriKey free?

TriKey costs $9.99, with no in-app purchases.

### Is Autony free?

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

### Do TriKey or Autony have ads?

Neither TriKey nor Autony shows ads.

### Which is updated more often, TriKey or Autony?

TriKey ships an update every 2 months, and Autony every 5 days. Most recently, TriKey was updated on October 3, 2026 and Autony on October 6, 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.*