Note Precision: Intervals vs The Ear Gym

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.

The Ear Gym is an Android and iOS ear-training app covering intervals, chords, scales, rhythm, harmony, solfege, and perfect pitch. Exercises let users identify, compare, construct, read, sing, or play intervals using piano and guitar sounds. Guided Mode moves from beginner listening through intervals, chords, scales, rhythm, and harmony. Custom drills can specify intervals, chords, scales, keys, clefs, octaves, instruments, and tempo. Additional activities include sight reading, melodic dictation, harmonic analysis, chord progressions, and cadences. Session statistics, streaks, and badges track practice, and the app listing says it works offline. Free Start costs nothing and provides drills at the user's own pace. One-time purchases cost $2.99 as a one-time purchase for Guided Mode, $2.99, paid once for Free Mode, or $4.79, paid once for the Complete package. The App Store description says the full app uses a one-time purchase with no subscription or ads.