Develop your aural skills with over 4000 exercises in ear training, sight-singing, and rhythm. Get real-time feedback using your voice, claps, or MIDI.
Turn your iPhone or iPad into a professional piano tuning assistant. Measure instrument-specific inharmonicity to create precise, custom tuning curves.
The perfect tuning, calculated for your piano.
FreemiumSubscription
Tuner
Turn your smartphone into a professional piano tuning aid. Actively measures tonal characteristics to automatically calculate the ideal custom tuning for any piano.
SparkReceipt — AI Expense Tracker for Freelancers. Automate hundreds of hours of soul-crushing manual work.
