Scale Study
Piano practice · MIDI · Privacy-first · iOS
A practice app for pianists who want to build reliable technique, not isolated victories. Tracks which scales you can play cleanly, and how fast, over MIDI cable or Bluetooth.
Tech stack
- SwiftUI
- Core MIDI
- Bluetooth LE
- StoreKit
- Core Audio
A piano practice app for pianists who want to build reliable technique rather than isolated victories. Scale Study tracks which scales you can play and how fast you can play them cleanly, so progress becomes something you can see rather than something you hope for.
It connects over MIDI cable or Bluetooth and listens as you practise, recording your best run at each tempo. Processing is local: no ads, minimal data, no noise. Free trial on C major, with a low one-off unlock for the full set.
Takeaway from project: Building a second indie app after Value Study forced me to think harder about what a practice tool should feel like on day one versus day one hundred. Motivation erodes when progress is invisible, so the core UX problem is making improvement legible without turning practice into a scoreboard.