Trombone Positions is a free Android app developed by Torkex Apps. As the name suggests, it is a simple app designed for trombone players. The app is available for both tenor trombones with or without F attachment and bass trombones.

One of the main features of the app is that it provides sound clips for trombone positions from E1 to E5. The app also offers basic language support for ten languages, including French, German, Italian, Spanish, Portuguese, Korean, Japanese, Russian, Turkish, and Simplified Chinese. Additionally, users can choose from three different note name options: English, Northern Europe, and Neo Latin.

Overall, Trombone Positions is a useful app for trombone players who want to improve their playing skills. The app is easy to use and provides accurate sound clips for trombone positions. However, it does not offer any additional features or tools for practicing.