Comparison

simpleMIDIController vs RollTab

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

simpleMIDIController

This app turns your iPhone or iPad into a 6-slider MIDI CC controller. It's ideal for live performances and studio production, allowing you to control MIDI-compatible hardware and software wirelessly or via USB.

Highlights
  • 6 full-screen sliders with value display
  • Virtual MIDI port for app connection
  • Bluetooth MIDI for wireless control
  • Color-coded sliders for easy identification
  • Prevents sleep mode during use
  • Supports Virtual, Bluetooth, USB, and Network MIDI
Features
Read full description

SimpleMIDI Controller transforms your iPhone or iPad into a 6-slider MIDI CC controller. Perfect for live performances, studio production, and controlling any MIDI-compatible hardware or software using standard MIDI. Features: • 6 Full-Screen Sliders - Smooth, responsive vertical faders with real-time value display • Virtual MIDI Port - Connect to any MIDI-compatible app on your device • Bluetooth MIDI - Wireless connection to Bluetooth LE MIDI devices (and computers that support BLE MIDI) • Color-Coded Sliders - Easy visual identification during performance • Prevent Sleep Mode - Keep the screen on during long sessions • Completely Free - All features available at no cost Perfect For: • Live electronic music performance • Controlling software synthesizers • DAW automation and mixing • Hardware synth parameter control • Music production workflows Supported Connections: • Virtual MIDI (iOS inter-app) • Bluetooth MIDI (BLE MIDI) • USB MIDI (class-compliant devices via adapters) • Network MIDI Works with multiple third-party MIDI devices and apps. No proprietary or dedicated hardware is required. (Optional) Examples: GarageBand, Logic Pro, Korg Gadget, and other MIDI-enabled DAWs/music apps.

About

RollTab

This app transforms your device into an AI-powered piano partner. It listens to your musical phrases and generates real-time continuations using an advanced on-device AI model. You can control various aspects of the AI's output and export your creations as MIDI files.

Highlights
  • AI piano accompaniment
  • Real-time music generation
  • MIDI keyboard integration
  • Adjustable AI parameters
  • Live piano-roll view
  • MIDI file export
Features
Read full description

RollTab turns your iPhone or iPad into an AI piano partner. Connect a USB or Bluetooth MIDI keyboard, play a phrase, and pause. RollTab continues your performance in real time with a 125M-parameter music model running entirely on your device. • Automatic mode answers after you pause • Explicit mode lets you decide when to generate • Live piano-roll view separates your notes from the AI’s continuation • Adjust temperature, continuation length, timing, and pitch range • Pause, continue, start a new session, and export the result as a MIDI file • No account, cloud processing, or internet connection required A MIDI keyboard is required for live input. You can also generate from silence in Explicit mode. Created by Simon Edwardsson — simedw.com

Screenshots

simpleMIDIController4 screens
RollTab1 screens

Verdict

The call

The clearest difference is price: RollTab at Free against simpleMIDIController's $0.99. On review sentiment, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

RollTab is free to download; simpleMIDIController costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences · 8 level
simpleMIDIController versus RollTab: the parameters behind the verdict, then further details
ParametersimpleMIDIControllerRollTab
Price$0.99Free — better
Rating5.0 (1 ratings) — better—
Positive reviews0.0% of reviews0.0% of reviews
Number of ratings1 — better—
Update frequency—Every 4 days
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhoneiPhone, iPad — better
Requires iOS18.618.0 — better
Further details — not scored
Size1 MB185 MB
Age rating4+4+
DeveloperHakaru HiroseSimon Edwardsson

Customer experience

simpleMIDIController

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

RollTab

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

simpleMIDIController

No in-app purchases

None

RollTab

No in-app purchases

Questions

Is simpleMIDIController free?
simpleMIDIController costs $0.99, with no in-app purchases.
Is RollTab free?
RollTab is free to download, with no in-app purchases.
Do simpleMIDIController or RollTab have ads?
Neither simpleMIDIController nor RollTab shows ads.

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