It depends on what you are using the software for. If you are strictly searching the internet for MIDI, audio, and video files to learn from, then Player version would suffice, but anything other than that, then we recommend the Pro.

The #1 Music Learning Software for Teachers and Musicians
Depending on the version you choose, MIDIculous allows you to learn from media files, create lesson files for students, display virtual instruments to YouTube, and display musical widgets to OBS and Zoom for virtual lessons. No other software has this many features for students and teachers.
Choose your Version
For Version 3 Customers
Time to Upgrade
If you own version 3 Pro or Player, then you will receive an automatic discount for updating to any of the newest version 4 expansions.
Frequently Asked Questions
Which version is best for me?
Is there a discount if I own Version 3?
If I purchase the desktop, will I get the iOS for FREE?
What is your return policy?
Is your software compatible with M1 natively?