# BComposer Scales vs Metroplan Music Studio

The clearest difference is ads: BComposer Scales at none against Metroplan Music Studio's shown. Metroplan Music Studio's advantage is update cadence (every 3 weeks vs every 5 months) and iOS requirement (16.0 vs 18.2). On price, in-app purchases and device support there is nothing between them.

Both are free to download. BComposer Scales sells 1 one-off in-app purchase and Metroplan Music Studio sells 4 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

BComposer Scales ships an update every 5 months, Metroplan Music Studio every 3 weeks. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | BComposer Scales | Metroplan Music Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/bcomposer-scales/id939443779/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Freemium | — |
| Size | 114 MB | 56 MB |
| Requires iOS | 18.2 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ONE MAN BAND STUDIOS SAS](https://appshunter.io/developer/939443778) | [Alejandro Mateo Gonzalez](https://appshunter.io/developer/1878529501) |

## What reviewers say

### BComposer Scales

[App page](https://appshunter.io/ios/app/bcomposer-scales/id939443779)

Explore musical scales, chords, and harmony with an interactive visual tool. Understand note relationships, experiment with voicings, and discover new harmonic ideas. Ideal for musicians, students, and educators.

**Highlights:** Interactive visual scale and chord exploration, Scale Rule System for note relationships, Chord voicings, extensions, and inversions, Library of hundreds of scales, Velocity-sensitive keyboard, Harmonic Progression System

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access | $9.99 | one-time |


### Metroplan Music Studio

[App page](https://appshunter.io/ios/app/metroplan-music-studio/id6759412819)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Metroplan Pro | $2.99 | per month |
| Metroplan | $2.99 | per month |
| Metroplan Pro | $24.99 | per year |
| Metroplan | $24.99 | per year |


## Frequently asked questions

### Is BComposer Scales free?

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

### Is Metroplan Music Studio free?

Metroplan Music Studio is free to download, with in-app purchases available.

### Do BComposer Scales or Metroplan Music Studio have ads?

Metroplan Music Studio shows ads; BComposer Scales does not.

### Which is updated more often, BComposer Scales or Metroplan Music Studio?

BComposer Scales ships an update every 5 months, and Metroplan Music Studio every 3 weeks. Most recently, BComposer Scales was updated on November 1, 2026 and Metroplan Music Studio on October 31, 2026.

---

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