Chet vs Nootka

Chet is a free iOS and macOS app for ear training and music theory. A guided learning path supports self-paced study, alongside a library of musical games. Exercises cover intervals, scales, arpeggios, chords, progressions, tonal sequences, famous tunes, and atonal sequences. Responses can use piano, guitar, bass, or multiple choice, and MIDI compatibility allows a MIDI keyboard. Practice Mode uses spaced repetition. Users can sign in to track progress and compete with musicians worldwide. The plan is listed as free, with no paid price or usage limit stated. Chet’s privacy policy says the app collects in-app activity such as exercise data and may transmit it to cloud storage. It is not intended for children under 13, and absolute data security cannot be guaranteed. Privacy questions and deletion requests go to [email protected].

Nootka is a free application for learning classical music notation, reading scores, and practicing melodies. It listens for sung or played sounds and checks in real time whether the notes in a displayed melody are correct. Users can build custom exercise sets and review analyzed results. The notation system includes treble, bass, and other clefs, plus the grand staff. Nootka supports different kinds of guitars and their tunings. Packages or installers are listed for Windows, Mac, Android, and Linux, and mobile apps are available. The project is licensed under the GNU General Public License version 3.0 (GPLv3). Its project page lists Czech, English, French, German, Hungarian, Italian, Polish, Russian, Slovene, and Spanish. Support resources include getting-started documentation, bug tracking, and feature-request trackers. Nootka has a Free plan costing free and no free trial.