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 1.2.3

Support for iOS 13. Fixes bug in main menu on iOS 13. Also addresses issues with button sizing in landscape mode.

Ratings and Reviews

3.7 out of 5
6 Ratings

6 Ratings

Banging Camp ,

Fun - Needs more loops tho

A fun little practice tool. Took me a second to figure out the tempo jog dial, but was cool once I did. The loops run forever so you can constantly think up new grooves on your own. Would like to see more loops, including hip hop.

Bboule99 ,

High Quality

This application seems to be very high quality and really helpful. It’s useful for a lot more than just practicing drums, you could practice bass/keyboard/guitar as well. Bonus points for much better rhythms than most applications of this type which mostly stick to basic 4/4 stuff. I’d love to see the notes for the loops list the # of measures in the loop and what key the loop is in for users who want to play along on something other than drums.

Copenbrau ,

App is cool but bug is limiting it

This seems like a great app but... the menu blinks when I tap on it and goes away. The only song I can play is Boots and Cats and can’t change it.

Will gladly change my rating and review once the BUG is fixed.

Using iPad Pro with iOS 13.1

(Looks like it works fine on iOS 12.3 - installed on friends iPad to see if it works)

In-App Purchases

Rock Loops 01
Are you ready to rock?!?


Ostinato SoundWorks, LLC
36.1 MB

Requires iOS 8.0 or later. Compatible with iPhone, iPad, and iPod touch.



Age Rating
In-App Purchases
  1. Rock Loops 01 $1.99
  2. Funk Loops 01 $1.99
  3. Blues Loops 01 $1.99


  • Family Sharing

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

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