
Metronaut is an innovative music practice and learning application developed by Antescofo. It offers over 11,000 sheet music pieces with professional accompaniments for musicians of all levels and across 20+ instruments. The app features interactive sheet music that scrolls automatically, adjustable tempo for practice, and printing options. Metronaut operates on a subscription model, providing access across iOS, Android, macOS, and web platforms with a single account. The company has partnered with brands like Algam and Woodbrass, and boasts over 100,000 musicians using the app.

Metronaut is an innovative music practice and learning application developed by Antescofo. It offers over 11,000 sheet music pieces with professional accompaniments for musicians of all levels and across 20+ instruments. The app features interactive sheet music that scrolls automatically, adjustable tempo for practice, and printing options. Metronaut operates on a subscription model, providing access across iOS, Android, macOS, and web platforms with a single account. The company has partnered with brands like Algam and Woodbrass, and boasts over 100,000 musicians using the app.
Founded: 2016
Headquarters: Paris, Île-de-France, France
Flagship product: Metronaut (interactive music practice app)
Core tech: Real-time musical AI / score-following
Seed funding: $4.5M (Feb 2019)
Music practice and learning; real-time audio-to-score alignment for interactive accompaniment.
2016
Music software; Artificial Intelligence
$4,500,000
Reported participation from investors including Nobuyuki Idei, Yann LeCun, Sophie Gasperment and Thibault Viort.
“Led by venture firms Daphni and OneRagTime with notable angel/backer participation”