
Free
About
Defective Interval Timer makes it easy to create and run timed interval sessions for workouts, stretching, training, recovery, and everyday activities.
Choose your work time, rest time, number of rounds, and preparation period. Start the timer and follow clear visual and audio cues as you move through each interval.
Use quick settings for fast sessions or create your own timing pattern. Pause, resume, reset, and adjust the timer volume whenever needed.
FEATURES
• Custom work and rest intervals
• Adjustable preparation time
• Multiple rounds
• Quick timer setup
• Pause, resume, and reset controls
• Clear visual interval indicators
• Audio alerts for interval changes
• Adjustable alert volume
• Presets for stretching and switching activities
• Displays total elapsed session time
• Works without an account
• No internet connection required for timer use
Whether you are exercising, stretching, studying, practicing, or completing timed tasks, Defective Interval Timer helps keep every session organized.
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What's New in DefectiveIntervalTimer
1.0
July 29, 2026