Songometry

Music math, made simple. Songometry puts 29 focused tools for musicians, songwriters and producers in one polished workspace. Transpose chords, find keys, practise with an audio-clocked metronome, calculate capo positions, convert BPM and delay times, plan song structures, analyse audio, estimate file sizes and model streaming revenue without switching between disconnected utilities. HARMONY - Transpose progressions and slash chords - Explore chord progressions - Find likely song keys - Calculate capo positions - Explore scales and modes, name chords from notes and navigate the Circle of Fifths TEMPO & AUDIO - Convert BPM, milliseconds and note values - Practise with a 30–300 BPM audio-clocked metronome - Tap tempo and calculate delay timing - Practise with subdivisions, beat accents, a session timer and a gradual tempo trainer - Tune instruments with private on-device microphone analysis - Play reference tones for chromatic notes and standard instrument strings - Analyse frequency, pitch and audio files - Estimate time-stretch and storage requirements SONG PLANNING & MONEY - Plan song duration and structure - Analyse chord progressions with transparent key comparisons and Roman numerals - Check vocal ranges - Calculate publishing splits and production costs - Model streaming revenue with clearly stated assumptions Songometry is designed to stay fast and focused. Core calculators work offline, no account is required, audio analysis happens on the device, and the paid app contains no advertising.