# Scratch Disc vs Bluetooth Midi Keyboard

The clearest difference is in-app purchases: Bluetooth Midi Keyboard at none against Scratch Disc's 1. Scratch Disc's advantage is update cadence (every 3 weeks vs every 33 months) and rating (3.3 vs 3.0). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. Scratch Disc sells 1 one-off in-app purchase. Bluetooth Midi Keyboard asks for nothing beyond the download.

Scratch Disc holds the better App Store score, 3.3 against 3.0. Both are backed by a comparable volume of ratings — 16 and 4 respectively. Written reviews point the same way: 68% of Scratch Disc's written reviews are positive against 67% of Bluetooth Midi Keyboard's.

Scratch Disc ships an update every 3 weeks, Bluetooth Midi Keyboard every 33 months. The most recent releases landed on June 1, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Scratch Disc | Bluetooth Midi Keyboard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (16 ratings)](https://appshunter.io/ios/app/scratch-disc/id938058816/reviews)** | [3.0 (4 ratings)](https://appshunter.io/ios/app/bluetooth-midi-keyboard/id1525362246/reviews) |
| Number of ratings | **16** | 4 |
| Positive reviews | **68.2% of reviews** | 66.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 33 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 37 MB | 6 MB |
| Requires iOS | **7.1** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kristin Graffagnino](https://appshunter.io/developer/938058815) | [pablo lopez](https://appshunter.io/developer/1502022592) |

## What reviewers say

### Scratch Disc

[App page](https://appshunter.io/ios/app/scratch-disc/id938058816)

Create unique rhythms and sound effects by scratching audio. Load over 200 sounds or your own music onto up to 12 virtual turntables. Record your performances directly into other music creation apps.

**Highlights:** Up to 12 turntables simultaneously, Over 200 included sounds, Scratch with your iTunes library, AudioBus and Inter-App Audio support, Record custom sounds, Paste sounds from other apps

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Premium Features | $3.99 | one-time |


### Bluetooth Midi Keyboard

[App page](https://appshunter.io/ios/app/bluetooth-midi-keyboard/id1525362246)

Transform your iPhone or iPad into a wireless MIDI keyboard. Control your favorite music software and hardware from your device using Bluetooth Low Energy. Offers customizable note settings and velocity sensitivity for expressive playing.

**Highlights:** Wireless MIDI keyboard, Bluetooth Low Energy MIDI, Selectable base note, Selectable number of notes, Velocity sensitive

**In-app purchases:** none


## Frequently asked questions

### Is Scratch Disc free?

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

### Is Bluetooth Midi Keyboard free?

Bluetooth Midi Keyboard is free to download, with no in-app purchases.

### Which has better reviews, Scratch Disc or Bluetooth Midi Keyboard?

Scratch Disc is rated higher. Scratch Disc averages 3.3 out of 5 from 16 ratings, while Bluetooth Midi Keyboard averages 3.0 from 4 ratings.

### Do Scratch Disc or Bluetooth Midi Keyboard have ads?

Neither Scratch Disc nor Bluetooth Midi Keyboard shows ads.

### Which is updated more often, Scratch Disc or Bluetooth Midi Keyboard?

Scratch Disc ships an update every 3 weeks, and Bluetooth Midi Keyboard every 33 months. Most recently, Scratch Disc was updated on June 1, 2026 and Bluetooth Midi Keyboard 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.*