MidSequer is described as 'piano roll style music sequencer. Let's make a music on your phone! -16 tracks -128 GM Instruments + 1 Drumset (*Android built-in MIDI tones)' and is an app in the Audio & Music category. There are more than 25 alternatives to MidSequer for a variety of platforms, including Mac, Windows, Linux, Android and iPhone. The best alternative is FL Studio. It's not free, so if you're looking for a free alternative, you could try Ardour or GarageBand. Other great apps like MidSequer are Reaper (Paid), Ableton Live (Paid), Adobe Audition (Paid) and Logic Pro (Paid).
FL Studio (originally known as FruityLoops) is a full-featured Digital Audio Workstation (DAW) offering a complete range of professional tools for everything from audio editing and beat creation to advanced arrangement, composition, mixing and mastering.
Ardour is a hard disk recorder and digital audio workstation application. It runs on GNU/Linux, Mac OS X, and Windows. Ardour's intention is to provide digital audio workstation software suitable for professional use.
Logic Pro lets you translate musical inspiration into professional productions. A range of powerful, easy-to-use features puts sophisticated tools at your fingertips, and complete surround support lets you make incredible, immersive music.
Welcome to the school of rock. A Mac-sized practice space. Your own recording studio. If you want to learn to play an instrument, write music, or record a song, GarageBand can help — whether you’re a rookie or a rock star.
Reason is a virtual studio rack with all the tools and instruments you need to turn your ideas into music. And it's more than just a set of excellent synths and effects. It's a complete music system. Step into the age of Reason.