ChordIQ vs Patatap

ChordIQ teaches sight-reading, ear training, rhythm, singing and music theory through interactive games. It offers more than 30 modes covering reading, chords, scales, theory, ear training, singing and rhythm. Reading practice includes treble, bass, alto and grand staff, key signatures, note values, rests, and Marathon and Survival runs. Ear exercises cover intervals, chords and notes by ear, perfect pitch, solfège scale degrees and melodic dictation. Players can tap written rhythms across ten complexity levels, echo heard rhythms, or sing or play pitches scored with a live cents meter. Supported instruments are piano, guitar, ukulele and bass, with on-screen keyboard or fretboard input in playing modes. External class-compliant MIDI keyboards work on iOS and Android; iOS supports wired or Bluetooth MIDI, while Android uses USB OTG. Scores appear on the World Chart leaderboard, with separate rankings for each mode. ChordIQ runs on Android, iOS and macOS. Its free plan includes most game modes, with ads between rounds. Pro is available as yearly and weekly subscriptions or a one-time lifetime purchase; prices vary by country and appear in the store before purchase.

Patatap is a web and mobile animation-and-sound instrument for making melodies with moving shapes. On a computer, you click the screen and press keyboard keys to play; touch input is also described for creating melodies. Its makers present animations and melodies as parts of one interactive instrument. While playing, you can switch among multiple color palettes and matching soundscapes. The hosted Web plan is free at free. A listed Patatap iPhone and iPad app costs $1.99, paid once, and is described as the official offline port of the website. The App Store lists Mac compatibility requiring macOS 14.2 or later and an Apple M1 chip or later. The site warns about flashing images. The web version was made with Two.js, a two-dimensional drawing API. The App Store says usage data and diagnostics may be collected without being linked to users, and accessibility support has not been indicated.