metronome in mobile phone

Op 111 Productions AB - Innovative Solutions for Musicians

Op 111 Productions develops and provides innovative IT products and services for musicians.
Current projects include Piano Street (, a discussion board (formerly Piano Forum) and sheet music resource for professional pianists, piano teachers and piano students.
Other products include Metronome, Music Dictionary and Pulse Meter software for legacy mobile phones.

Latest news:
19 april 2017:
New CD release: "Alma Brasiliera" with Paulo Steinberg, piano produced by Johan Sandback for Op 111 Productions. Release date 24 April 2017.