Free
In-App Purchases
Rating summary
About
Practice scales, arpeggios, intervals and rhythm as a game you play on your instrument.
250 levels in 25 worlds, six game modes, a boss at the end of each world, and a journal that logs what you did.
Fully on-device: no cloud, no account.
Every level can be played as Pitch Jumper, Arpeggio Maze, Interval Invaders, Rhythm Runner, Technique Drill or Finger Independence. The daily routine gives you a short session for today, and the journal keeps a record of each one.
• 250 levels across 25 themed worlds
• Six game modes on every level
• A daily routine, open to everyone
• A practice journal and streaks
• Lessons for piano, keyboard, guitar, bass, ukulele and more
• Game Center leaderboards and achievements
For students who need a reason to practice, adults coming back to music, and teachers who want something to set between lessons.
The first 10 worlds are open to everyone. Pro, or SUS4 All-Access across the whole range, opens all 25 worlds. Five optional genre Level Packs add 50 levels each: Jazz, Latin, Metal, Blues and Classical.
Made in the UK by working musicians.
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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What's New in SUS4 Practice
1.2.0
October 12, 2026
SUS4 now speaks your language: the app is available in 50 languages. Any lifetime purchase now unlocks every SUS4 app. A clearer upgrade screen, plus fixes and polish throughout.
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Subscriptions & In-App Purchases
SUS4 Practice Pro Monthly
Unlock all 25 worlds, every game mode.
$0.991 Month
7 Days trial










