# MIDIRack vs Billie Tracker

The clearest difference is price: Billie Tracker at Free against MIDIRack's $14.99. Billie Tracker also leads on in-app purchases (none vs 1) and review sentiment (100% vs 67%). On ratings volume, update cadence, ads and device support there is nothing between them.

Billie Tracker is free to download; MIDIRack costs $14.99 up front. MIDIRack sells 1 one-off in-app purchase. Billie Tracker asks for nothing beyond the download.

Billie Tracker holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 10 and 5 respectively. Written reviews point the same way: 67% of MIDIRack's written reviews are positive against 100% of Billie Tracker's.

MIDIRack ships an update every 4 days, Billie Tracker every 2 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | MIDIRack | Billie Tracker |
| --- | --- | --- |
| Price | $14.99 | **Free** |
| Rating | [4.8 (10 ratings)](https://appshunter.io/ios/app/midirack/id6779712751/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/billie-tracker/id6792379355/reviews)** |
| Number of ratings | **10** | 5 |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 2 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 28 MB | 57 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kai Aras](https://appshunter.io/developer/370820899) | [Billie Cooperative](https://appshunter.io/developer/1832623915) |

## What reviewers say

### MIDIRack

[App page](https://appshunter.io/ios/app/midirack/id6779712751)

Design custom MIDI control surfaces with a variety of instruments and sequencers. Unlock advanced features like a visual MIDI processing graph for complex routing and generative music creation. Use it standalone, as an AUv3 plugin, or to control desktop DAWs.

**Highlights:** Customizable touch surface design, KB-1 keyboard suite with MPE support, Advanced step and matrix sequencers, Visual MIDI processing graph, Built-in instruments and samplers, Connects to desktop DAWs via USB or Bluetooth

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Graph Editor Unlock | $7.99 | one-time |


### Billie Tracker

[App page](https://appshunter.io/ios/app/billie-tracker/id6792379355)

Create music with a powerful groovebox featuring a step sequencer, synthesizers, and a sampler. Arrange patterns into songs, shape unique sounds, and export your finished tracks. Designed for intuitive music production on mobile devices.

**Highlights:** Step sequencer for notes and instruments, Shapeable synth instruments, In-app sampler for recording sounds, Mixer with per-track controls, Song arrangement and export options, Hardware controller support

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

**In-app purchases:** none


## Frequently asked questions

### Is MIDIRack free?

MIDIRack costs $14.99, and also offers in-app purchases.

### Is Billie Tracker free?

Billie Tracker is free to download, with no in-app purchases.

### Which has better reviews, MIDIRack or Billie Tracker?

Billie Tracker is rated higher. MIDIRack averages 4.8 out of 5 from 10 ratings, while Billie Tracker averages 5.0 from 5 ratings.

### Do MIDIRack or Billie Tracker have ads?

Neither MIDIRack nor Billie Tracker shows ads.

### Which is updated more often, MIDIRack or Billie Tracker?

MIDIRack ships an update every 4 days, and Billie Tracker every 2 days. Most recently, MIDIRack was updated on November 5, 2026 and Billie Tracker on October 31, 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.*