
SUS4 Time Trainer: Rhythm
Your timing in milliseconds
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Free
In-App Purchases
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About
Play along to the click and see how early or late you land, in milliseconds.
Then mute the click and find out whether your pulse holds.
Fully on-device: no cloud, no account.
Set a tempo between 40 and 220 BPM and tap the big pad, or switch on mic detection and play your instrument. Each hit shows its offset; each session gives you a percentage and an average.
• Click from 40 to 220 BPM
• Tap, or let the mic detect your notes and claps
• Hits, mean offset and spread for every session
• Mute-click practice with drift feedback
• A history graph of your sessions
For drummers, bassists and anyone told they rush.
Everyone gets five sessions a day. Pro, or SUS4 All-Access across the whole range, removes the daily limit.
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 Time Trainer
1.3.0
October 31, 2026
Clearer wording for the practice modes in Hebrew and Portuguese.
3
Subscriptions & In-App Purchases
SUS4 All-Access
Pro in every SUS4 app, billed monthly.
$5.991 Month
7 Days trial







