Would you like to improve your drumming? ProJammer will have you jamming like a pro in no time!

ProJammer represents a revolutionary way to learn new drum skills quickly. All you need is your drum kit, some headphones and ProJammer – it’s like having your own private drum instructor, plus a backing band!

ProJammer is a play-along app like no other:
- ProJammer contains multi-track original music (with real instruments, not fake MIDI imitations) that you play along to.
- The original play-along music is specifically written to complement each associated drum lesson.
- The play-along music is provided in loop form. The loops allow you to get in the groove and play until you feel comfortable, without ever needing to restart the song.
- Each musical loop is accompanied by a drum transcription that corresponds to the drum part in the musical loop.
- You can change the loop speed! Play along with the loop at a slow speed to learn the pattern, then accelerate the loop to build your chops!
- You can selectively mute instruments and the built-in metronome to match your learning objectives.

For each loop, you can start by listening to just the drum track to get familiar with it. Next, add the other instruments (guitar, bass, and keyboards) with a few clicks and play along! When you get more confident, you can remove the drum track (and also the metronome), and it’s like you are playing with a backing band! Play the pattern that is transcribed, or improvise your own part!

ProJammer is a free app that contains five built-in musical loops plus transcriptions. The built-in loops cover Rock, Funk, World, Blues, and Latin beats. Additional packs of loops can optionally be purchased via in-app purchase.

What's New

Version 1.1.0

New downloadable content added. Upgrades and bug fixes for a better experience

Ratings and Reviews

Intuitive App

Rion Dugen

ProJammer is an excellent learning tool. Super easy to use, and a good introduction to different drumming styles. If you click the app logo at the top of the page you get information about the specific beat, including artist/band examples to check out. I found this helpful. Highly recommended!

Very useful songwriting tool


It's great to see drum beats laid out in this clean and easy-to-read format - I also see this as a fundamental songwriting tool. The app is well designed and easy to use so I can quickly dial in a groove and tempo to spend more time musing on songs.

Great tool


A friend of mine recommended this tool for our band. I was skeptical at first, but after trying it we were all really impressed. Easy to use and a great way to practice and lay down new licks. The different beats keep it interesting and fun. Really great stuff!


Ostinato SoundWorks, LLC
31.7 MB
Requires iOS 8.0 or later. Compatible with iPhone, iPad, and iPod touch.
Age Rating
Rated 4+
© 2016 - 2018 Ostinato SoundWorks, LLC
In-App Purchases
  1. Rock Loops 01 $1.99
  2. Funk Loops 01 $1.99
  3. Latin Loops 01 $1.99


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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