ChronoNano app icon ChronoNano

Master time with one tiny app

Stopwatch, Count Down, Alarm, and one-tap Capture Time — designed for speed and clarity.

Download on the App Store
ChronoNano home screen

Features

  • Stopwatch

    Start, pause, and track sessions with clear history.

  • Capture Time

    Save a timestamp with one tap and optional notes.

  • Count Down

    Create multiple timers for tasks, workouts, or reminders.

  • Alarm

    Set alarms with labels so you never miss what matters.

In-app screenshots

Stopwatch screen
Capture Time screen
Count Down timers
Alarms list
  • No sign-up, no ads — data stays on your device.
  • Works offline with local notifications.
  • iOS-native design with haptics and Dynamic Type.