SUS4 Metronome

The click that locks the take.

Free · In-App Purchases

Working a fast run up to speed: set a tempo ramp and the click climbs as you drill. Swing and clave grooves make the click feel like a band, not a beep. The click that locks the take. Every musician knows a bad metronome breaks focus. SUS4 Metronome gets out of the way and keeps perfect time, whether you are running a basic crotchet click at 80 BPM or layering a 5-against-3 polyrhythm with independent clicks in each ear. Tap the tempo button to set your starting BPM, then dial it in. Pick any subdivision. Assign different sounds to the left and right ear so you can accent beats independently. Build a tempo map for pieces that speed up or slow down — the metronome follows the plan without interruption. The Apple Watch companion lets you feel the pulse on your wrist when stage volume is too loud to hear a click. • Tap-tempo BPM entry with fine-tune controls • Every subdivision from quarter notes down to 32nd notes • Polyrhythm mode for cross-rhythm practice • Independent left/right ear clicks for accent work • Tempo maps for structured ritardando or accelerando • Apple Watch companion — feel the pulse on your wrist • Subscribe monthly, or unlock the full SUS4 suite forever: polyrhythms, L/R-ear mode, and tempo maps Runs fully on-device. No account, no cloud, no tracking. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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Stability and performance improvements.

Version 1.1.3

The developer, ThePaulSmith, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

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    Accessibility

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    Information

    Provider
    Paul Smith
    Size
    21.9 MB
    Category
    Music
    Compatibility
    Requires iOS 16.0 or later.
    • iPhone
      Requires iOS 16.0 or later.
    • iPad
      Requires iPadOS 16.0 or later.
    • Mac
      Requires macOS 13.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    • Apple Watch
      Requires watchOS 10.0 or later.
    Languages
    English
    Age Rating
    4+
    In-App Purchases
    Yes
    • SUS4 Metronome Lifetime £59.99
    • SUS4 All-Access £4.99
    • SUS4 Metronome Pro Monthly £0.99
    • Learn More
    Copyright
    © 2026 4chords Studios
  • Developer Website
  • Privacy Policy

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