Rolf Steenge

Founded in 2010, this developer has established a strong presence in the mobile app market with 5 published applications. Since launching their first app "Guitar Interval Ear Trainer" from 15 June 2010 in the Music category, they've expanded into Games, Music sectors, demonstrating versatility in app development.

Their portfolio has garnered over 144 reviews across all apps, maintaining an impressive average rating of 4.8 / 5 stars.

Notable releases include:

  • 🥇"Rhythm Sight Reading Trainer" - Their most reviewed app with 113 reviews and a 4.8-star rating, released in 12 October 2010 in the App Store.
  • 🥈"Guitar Sight Reading Trainer" (Music) - 15 reviews with 4.9 stars, released in 13 September 2010 in the App Store.
  • 🥉"Guitar Interval Ear Trainer" (Music) - 8 reviews with 4.6 stars, their debut app from 15 June 2010 in the App Store.
5
Applications
144
Reviews
4.8 / 5
Average rating
15
Years since the first release in the App Store