MyEarTraining
MyEarTraining makes ear training practice possible almost anywhere and anytime on the go, thus saving you from the hassle of assembling musical instruments. You can practically train your ears while waiting at the bus stand, traveling, or even at your coffee desk.
MyMusicTheory
Practice music theory and train your sight reading skills. Learn all important topics of music theory. Start with simple notes in treble clef for total beginners up to identification of exotic scale modes in mezzo-soprano clef.
Ukulele Tuner EM-1
This ukulele tuner app has very simple user graphics and smooth controls which makes this app really easy to use. There is no training required to start using this ukulele tuning app. And it is free to download and use.
Guitar Tuner EM-1
This guitar tuner app has very simple user graphics and smooth controls which makes this app really easy to use. There is no training required to start using this guitar tuning app. And it is free to download and use.
Mandolin Tuner EM-1
This mandolin tuner app has very simple user graphics and smooth controls which makes this app really easy to use. There is no training required to start using this mandolin tuning app. And it is free to download and use.
Tone Generator EM-1
Tone Generator is a free frequency sound generator app that allows you to generate sounds in different frequencies from the lowest to the highest ranges, from 1Hz to 22kHz. Using this free frequency generator app, you can test your hearing, test audio equipment, tune different instruments, perform audio experiments, and much more.
Piano EM-1
Piano EM-1 is a piano simulator with realistic piano sound using sound samples rather than poor MIDI audio.
MusicTheoryTraining.org
Website with free online music theory exercises covering key signatures, intervals, chords, scales, and rhythm topics. It's useful for beginner or experienced musicians.