Chet vs Note Precision: Intervals

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].

Note Precision: Intervals is an ear-training app for recognizing musical intervals with exercises adapted to each learner. Its ZDP engine models ability and selects exercises intended for a 65 to 85% success rate. The L.U.C.I.D. Journey has five progressive tiers, from the second to the octave, with spaced reviews. Learners receive interval-by-interval statistics, streaks, and success rates. The app runs on Android, iOS, and macOS, works offline, and requires no account or registration. Up to three profiles can be used on one device, and the app is available in 12 languages. Listed accessibility features include VoiceOver, increased contrast, color-independent cues, and a dark interface. On supported Apple devices, Apple Intelligence can analyze sessions on device and provide practice advice; sessions can also be added to the calendar. App data is stored on the device, with no tracking, advertising, third-party analytics, or crash-reporting service. Level 1 costs nothing; full unlock is €9.99 as a one-time purchase.