# FormKey vs StepLoom

The clearest difference is review sentiment: StepLoom at 100% against FormKey's 50%. StepLoom also leads on rating (5.0 vs 4.3) and in-app purchases (none vs 1). FormKey's advantage is price (Free vs $3.99) and ratings volume (6 vs 2). On ads, monetization model and iOS requirement there is nothing between them.

FormKey is free to download; StepLoom costs $3.99 up front. FormKey sells 1 one-off in-app purchase. StepLoom asks for nothing beyond the download.

StepLoom holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 6 and 2 respectively. Written reviews point the same way: 50% of FormKey's written reviews are positive against 100% of StepLoom's.

FormKey ships an update fortnightly, StepLoom every 2 days. The most recent releases landed on October 6, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | FormKey | StepLoom |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | [4.3 (6 ratings)](https://appshunter.io/ios/app/formkey/id1535350561/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/steploom/id6788307376/reviews)** |
| Number of ratings | **6** | 2 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | Paid | Paid |
| Size | 86 MB | 11 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Polyhedra](https://appshunter.io/developer/1535350563) | [宁 徐](https://appshunter.io/developer/1879657969) |

## What reviewers say

### FormKey

[App page](https://appshunter.io/ios/app/formkey/id1535350561)

This app is an intuitive MIDI controller that helps musicians improve by using shapes for notes and colors for octaves. Its unique isomorphic keys aid in pattern recognition and chord discovery, making music creation more accessible.

**Highlights:** Shape-based note input, Color-coded octaves, Isomorphic key layout, Pattern recognition aid, Chord discovery assistance, Future update commitment

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FormKey Full Unlock | $14.99 | one-time |


### StepLoom

[App page](https://appshunter.io/ios/app/steploom/id6788307376)

Create electronic music with a touch-friendly groovebox. Quickly sketch beats, basslines, and melodies using a step sequencer, piano-roll editing, and arrangement views. Supports AUv3 plugins for expanded sound design.

**Highlights:** Touch-friendly beat and melody workflow, Step sequencer and piano-roll editing, Timeline, Session, and Flow arrangement views, AUv3 instrument and effect plugin support, Mixer controls for sound shaping, MIDI input and external clock sync, Export audio, stems, or MIDI

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is FormKey free?

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

### Is StepLoom free?

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

### Which has better reviews, FormKey or StepLoom?

StepLoom is rated higher. FormKey averages 4.3 out of 5 from 6 ratings, while StepLoom averages 5.0 from 2 ratings.

### Do FormKey or StepLoom have ads?

Neither FormKey nor StepLoom shows ads.

### Which is updated more often, FormKey or StepLoom?

FormKey ships an update fortnightly, and StepLoom every 2 days. Most recently, FormKey was updated on October 6, 2026 and StepLoom on October 11, 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.*