ADAPTIVE
Learns what you miss
Our adaptive engine watches every slip — a wobbly key signature, a missed tied note — and queues the exact drill to fix it next session.
2.3×
faster improvement
WHY THEORY PRACTICE
The fastest, most fun way to actually understand music theory.
Built with examiners, composition teachers, and 500+ real students — not another flashcard app.
AI TUTOR
Explains every mistake
Tap any wrong answer and Cleffy walks you through it — note by note, term by term — in plain English (or Chinese).
24/7
always on
MOCK EXAMS
Real past-paper exams
Timed, graded, and presented exactly like the real thing — ABRSM paper, AMEB online, Trinity multi-choice. Know you’re ready.
500+
past questions
EXAM COVERAGE
Every major exam board. Every grade. Every topic.
AB
ABRSM
Grades 1-5
Entry-level theory through Grade 5 — covers everything before students need a teacher 1-on-1.
Explore ABRSM →
AM
AMEB
Grades 1-4
Australian Music Examinations Board. Online Theory of Music and paper format.
Explore AMEB →
Tr
Trinity
Initial-5
Trinity College London music theory. Multi-choice and written response.
Explore Trinity →
Topics we cover
Browse full topic library →GET THE APP
Take your practice anywhere.
A dedicated iOS app for each exam board — offline drills, ear-training games, and real past-paper mock exams. Your progress syncs with the web.
AB
ABRSM Music Theory
Grades 1–5 theory & mock exams
Download on theApp StoreAM
AMEB Theory Practice
Grades 1–4 theory & mock exams
Download on theApp StoreTr
Trinity Theory Practice
Initial–Grade 5 theory & mock exams
Download on theApp StoreHOW IT WORKS
Three steps. No sheet-music snobbery.
01
Tell us your goal
Pick your exam board and target grade. We build a personalised plan — roughly 10 minutes a day.
02
Practise daily
Short, focused sessions. Drills, rhythm games, ear training, and real past-paper questions.
03
Sit the mock. Pass the real one.
Take timed mock exams graded like the real thing. Know, in advance, that you'll pass.
LOVED BY 120K+ MUSICIANS
4.8 ★ on the App Store.
92%
pass rate
5.3M
questions answered
180+
countries
★★★★★
“I passed Grade 5 theory with a Distinction after six weeks on Theory Practice. The mock exams felt eerily close to the real paper.”
P
Priya S.
Student, London
Dist · 142/150
★★★★★
“I run a studio of 40 students. The teacher dashboard is the first tool that tells me what each kid actually needs to practise this week.”
M
Mr. Tanaka
Piano teacher, Tokyo
40 students
★★★★★
“My daughter used to dread theory. Now she begs for five more minutes before dinner. The streaks and owl are dangerous.”
A
Amy K.
Parent, Melbourne
89-day streak 🔥
PRICING
Fair pricing. No note-locked paywalls.
Cancel anytime. Yearly plans give 2 months free.
Plus
$6.99/mo
Unlimited practice for one student.
- ✓ Unlimited mistake-book reviews
- ✓ Cleffy AI walkthroughs
- ✓ Adaptive practice
- ✓ Cross-device sync (web + mobile)
MOST POPULAR
Teacher · 5
$29.99/mo
For a private studio. 5 student seats.
- ✓ 5 student seats
- ✓ Read every student's mistake book
- ✓ Reset seats when students leave
- ✓ Lock the review pace per class
Teacher · 10
$49.99/mo
Mid-size studio. 10 student seats. Teacher 20 also available.
- ✓ 10 student seats (20 tier also available)
- ✓ All teacher tools
- ✓ Best per-seat price
Yearly plans available — 2 months free. Choose at checkout.
LEARNING HUB
Free music theory guides & worksheets.
FREQUENTLY ASKED