ChordIQ vs MusicTheory.net

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.

MusicTheory.net is a free, ad-free music theory learning site with animated lessons, practice exercises, and reference tools. Lessons address notation, rhythm, scales, intervals, chords, and chord progressions. Online exercises cover identifying and constructing material on the staff, keyboard, and fretboard, as well as ear training. Calculators handle accidentals, intervals, scales, chords, analysis, and twelve-tone matrices; other tools include a tempo tapper and staff paper generator. Teachers can make permanent links to customized exercises and validate exercise verification codes. Students can create signed Progress Reports with codes teachers can verify. Lessons, exercises, and tools can be embedded in other sites using HTML frames or iframes; the FAQ recommends a minimum size of 600 by 600 pixels. The Tenuto app for iPhone and iPad adds 24 exercises, six calculators, customization, Challenge Mode, and offline use. Theory Lessons is an iPhone and iPad app with 39 animated lessons. The website plan includes all site content at free, with no ads.