Every workout is a mission
All 20 interval timer types, deep gamification with XP and ranks, and a unique narrative layer where your workouts stabilize time anomalies — all designed Watch-first.
Free to start · Lifetime purchase availableHIIT Workout
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Work
Work
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Round 3/8
The ultimate fitness timer
Every timer type. Every workout style. One app with a story to tell.
All 20 Timer Types
HIIT, Tabata, AMRAP, EMOM, For Time, Circuit, Round Timer, Pyramid, Ladder, Death By, Sally, Compound, Countdown, Stopwatch, Boxing, MMA, Stretch, Yoga, Breathwork, and Custom.
Narrative Missions
You are Agent Zero. 5 story chapters, 15 missions — each workout stabilizes time anomalies. The first fitness timer with real storytelling.
XP & 6 Agent Ranks
Earn XP from every workout. Rise from Recruit to Temporal Master across 6 ranks. 12 achievement badges with automatic tracking.
Watch-First Design
Not a phone app with a Watch companion — a genuine Apple Watch-native experience. 12 timer types and 8 presets right on your wrist.
Cinematic UI
Phase-reactive colors (orange=work, cyan=rest, green=warmup), animated timer rings, particle effects, and glass-morphism cards.
22 Preset Workouts
Ready-to-go workouts covering every timer type, plus a custom builder with work/rest/rounds/warmup/cooldown sliders.
How it works
Choose your mission, work out, level up.
Choose Your Mission
Pick from 22 presets, 20 timer types, or build a custom workout. Each story mission maps to a workout type.
Work Out
Immersive full-screen timer with animated rings, phase colors, particles, and haptic feedback on every transition.
Level Up
Earn XP, climb ranks, unlock achievements, and advance the story. Every rep powers the timeline.
Fair pricing
Free core timer. No subscription-only gates.
Free
Core timer functionality
$0
- All 20 timer types
- 22 preset workouts
- Custom workout builder
- Phase-reactive UI & haptics
Pro
Full narrative + gamification
$39.99 lifetime
or $2.99/mo · $19.99/yr
- Everything in Free
- 5 story chapters, 15 missions
- XP system & 6 agent ranks
- 12 achievement badges
- Sound packs & themes
Your body powers the timeline
Every rep stabilizes reality. Download ChronoFit and begin your first mission.