# Composer Lab vs ModusCycler

The clearest difference is update cadence: Composer Lab at every 3 days against ModusCycler's fortnightly. ModusCycler's advantage is iOS requirement (15.0 vs 18.2). On price, ads, in-app purchases and device support there is nothing between them.

Composer Lab costs $17.99 and ModusCycler $17.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Composer Lab ships an update every 3 days, ModusCycler fortnightly. The most recent releases landed on October 5, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Composer Lab | ModusCycler |
| --- | --- | --- |
| Price | $17.99 | $17.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/composer-lab/id6744673208/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Fortnightly |
| Monetization | Paid | — |
| Size | 49 MB | 50 MB |
| Requires iOS | 18.2 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [笑一 杨](https://appshunter.io/developer/1808689646) | [Robert Ulrich Seidel Dr](https://appshunter.io/developer/6790923877) |

## What reviewers say

### Composer Lab

[App page](https://appshunter.io/ios/app/composer-lab/id6744673208)

Explore harmonic structures, scales, and microtonal tuning systems. This app offers tools for organizing pitch material, crafting custom tunings, and managing rhythmic units for songwriting and composition.

**Highlights:** Harmonic structure exploration, Custom tuning system creation, Rhythmic unit management, Microtonal scale playback, DAW file export (.scl, .tun), Pitch set theory principles

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

**In-app purchases:** none


### ModusCycler

[App page](https://appshunter.io/ios/app/moduscycler-modi-and-jamming/id6790923875)

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

**In-app purchases:** none


## Frequently asked questions

### Is Composer Lab free?

Composer Lab costs $17.99, with no in-app purchases.

### Is ModusCycler free?

ModusCycler costs $17.99, with no in-app purchases.

### Do Composer Lab or ModusCycler have ads?

Neither Composer Lab nor ModusCycler shows ads.

### Which is updated more often, Composer Lab or ModusCycler?

Composer Lab ships an update every 3 days, and ModusCycler fortnightly. Most recently, Composer Lab was updated on October 5, 2026 and ModusCycler on September 19, 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.*