NN555Interval

Keep time with simple tools for everyday tasks, personal routines, and focused work. Stopwatch, countdown, and interval sessions are available together, with no account or connection required for core timing. STOPWATCH Measure open-ended sessions with start, pause, resume, and reset controls. Record cumulative laps and review each split, including the fastest and slowest lap. Paused time is excluded. COUNTDOWN Create a named timer from one second up to 99 hours. Pause or resume it, add a minute while it runs, or restart it from the original duration. A clear completed state remains available when you return. INTERVALS Build a plan with 2 to 12 named stages and set each stage duration and end cue. Repeat the sequence for 1 to 50 cycles, follow the current and next stage, track overall progress, or skip ahead manually. PRESETS AND HISTORY Save timer setups as presets to reuse them later. Copy, rename, reorder, archive, and restore presets. Session history can show the mode, name, start time, duration, pause count, and lap or interval details. Delete individual records or clear history when needed. MADE FOR REAL TIME Active timing is calculated from saved timestamps, so returning from another app or reopening the device reflects elapsed time. Paused sessions remain paused, and timers are never started automatically. Multiple active sessions appear together on the home screen. Choose optional end sound, haptic feedback, screen-awake behavior, appearance, text size, and local session history in Preferences. Timer data and presets stay on your device.