Trombone Pro 
 iPhone and iPad


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Trombone Pro is now available in the Apple iTunes Store.  Our iPad version is also now available! 

Revolutionize the way you practice your trombone with a new product by Contact Plus Corporation entitled Trombone Pro. Trombone Pro enables you to practice your slide positions and improve your ear training all on your iPhone or iPod touch while on the go. All you need is an iPhone or iPod Touch running iOS 4.0 or higher.

Trombone Pro for the iPad


Trombone Pro for the iPhone & iPod Touch


If you're a trumpet player check out our companion product - Trumpet Pro.  French Horn players should see French Horn Pro.

Trombone Pro was designed to help all levels of trombone players master the craft of playing the trombone. Trombone Pro enables trombone players to master scales, intervals, chromatic exercises and difficult music passages such as Flight of the Bumblebee by Nikolai Rimsky-Korsakov. Trombone Pro is a slide position practice app therefore you have no need to tilt or blow into the iPhone to make sounds.

A music staff with 8 measures is displayed above a trombone slide. The music plays through the iPhone or iPod Touch speaker while the note is highlighted. As the notes are played, the correct slide position is also highlighted above the slide similar to a player-piano.  You may see more than one slide position highlighted. You will see immediate feedback on the screen if the incorrect valve combination is pressed. Points are awarded for accuracy when the correct valve combinations are pressed. The tempo can be adjusted on the fly - slow for beginners and fast for advanced players.

You can modify all of the notes and exercises, change the song title, key signature and chord notations over each measure. The songs can be shared via email and the web. For example, a trombone teacher can design his own music exercises and post them on his blog or email them to his students. The students in turn can respond via email with their score and total time spent on the exercise. The ability to customize the alternate fingerings is available which is a very important aspect for advanced players.

Feature List:

  • Write your own exercises (8 bars of 4 quarter notes/rests)
  • Share your exercises via email with your students or teachers
  • Cumulative scores for each song/exercise
  • Favorite list of songs for focused practice
  • Notes are played in the key for the Tenor Trombone so you'll hear the proper sound for the note being played.
  • Transpose up or down a half/step while practicing - great for learning and practicing in different keys - swipe your finger from top to bottom to go down 1/2 step, bottom to top to go up 1/2 step
  • Slow tempo down to 20 beats per minute for beginners - swipe your finger from right to left across the screen
  • High speed of 999 beats per minute for experts swipe from left to right on the screen
  • Compare your high scores to others in your town, state, country
  • Over 600 songs available

You'll actually hear the exercises while moving the slide and thus receive instant feedback on your accuracy and errors.

Any questions? Contact us at the following email address:


Trombone Pro was patterned after the Trumpet Pro product. The differences are the slide versus fingerings and the bass clef sounds.

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