# MPC Progression Builder vs ChordKeys

The clearest difference is price: ChordKeys at $0.99 against MPC Progression Builder's $2.99. MPC Progression Builder's advantage is iOS requirement (16.0 vs 26.2). On ads, in-app purchases and device support there is nothing between them.

MPC Progression Builder costs $2.99 and ChordKeys $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | MPC Progression Builder | ChordKeys |
| --- | --- | --- |
| Price | $2.99 | **$0.99** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/mpc-progression-builder/id6754464447/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 5 weeks |
| Monetization | Paid | — |
| Size | 2 MB | 10 MB |
| Requires iOS | **16.0** | 26.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [David Jones](https://appshunter.io/developer/1848227755) | [Giacomo Cacciola](https://appshunter.io/developer/1879034155) |

## What reviewers say

### MPC Progression Builder

[App page](https://appshunter.io/ios/app/mpc-progression-builder/id6754464447)

Create and export musical chord progressions for your music production workflow. Features include keyboard, scale-based, and circle of fifths modes for building and refining harmonic ideas. Export directly to MPC devices or as standard MIDI files for use in any DAW.

**Highlights:** Virtual keyboard for direct chord input, Build progressions with up to 16 chords, Scale-based chord suggestions, Circle of Fifths progression builder, MPC-ready .progression file export, Standard MIDI file export, Instant playback and auditioning

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

**In-app purchases:** none


### ChordKeys

[App page](https://appshunter.io/ios/app/chordkeys/id6759493088)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MPC Progression Builder free?

MPC Progression Builder costs $2.99, with no in-app purchases.

### Is ChordKeys free?

ChordKeys costs $0.99, with no in-app purchases.

### Do MPC Progression Builder or ChordKeys have ads?

Neither MPC Progression Builder nor ChordKeys shows ads.

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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.*