HIIT Timer Counter vs TimerFlex

RepChime is a focused training companion for calisthenics, street workout, bodyweight strength, and interval sessions. Use HIIT Timer mode for structured intervals, or Counter mode for automatic rep tracking with iPhone sensors and the front camera. HIIT TIMER • Set Work, Rest, and Prepare intervals • Multiple rounds for interval workouts • Ladder progression for Work time with RepChime Pro • Sound Countdown for Work, Prepare, and Rest • Fast setup for repeatable interval sessions COUNTER • Automatic rep counting with iPhone motion sensors • Motion, Rotation, Auto, and Front Camera detection modes • Front Camera mode for push-ups • Adjustable sensitivity for supported exercises • Set goals, rounds, Prepare time, Rest time, and sound behavior • Ladder progression for rep goals with RepChime Pro • Sound Countdown for Prepare and Rest SUPPORTED EXERCISES AND MODES • Push-up: Motion, Auto, Rotation, and Front Camera • Pull-up: Motion, Auto, and Rotation • Squat: Motion • Sit-up: Rotation PRESETS • Save HIIT Timer and Counter presets • The free version includes one saved workout • Free users can edit the first Timer preset and the first Reps preset • RepChime Pro adds multiple saved workouts and editing for every saved preset • Quickly switch between saved workout setups SOUND & VOICE • Sound Countdown uses simple beeps in the free version • Spoken countdowns and spoken rep feedback are available with RepChime Pro • Round Start Cue provides spoken and visual round guidance with RepChime Pro • Count, Prepare, and Finish sounds • Select app and voice languages independently • Works alongside background music • Keep Sound Level option for flexible audio behavior REPCHIME PRO • Spoken rep counting • Spoken countdown guidance • Round Start Cue with spoken and visual round guidance • Button Lock to help prevent accidental workout interruptions • Ladder progression for Reps goals and Timer Work time • Multiple saved workouts • Editing for every saved preset • Timer Recovery • Phase Notifications for timed phase changes RepChime does not keep workouts running continuously in the background. iOS may pause the app. With RepChime Pro, Timer Recovery recalculates the timed phase from elapsed time when you return, while supported workout state is preserved. LANGUAGES • English • German • Spanish (Spain) • Spanish (Mexico) • French • French (Canada) • Portuguese (Brazil) • Japanese • Korean • Chinese (Simplified) • Chinese (Traditional) DESIGNED FOR TRAINING • Clean dark interface built for workout focus • Quick access to settings and presets • Consistent experience across Counter and HIIT Timer modes • Simple controls, modern design, and practical workout tools IMPORTANT • Some features use the accelerometer and gyroscope • Front Camera mode is available for push-ups only and requires camera permission • Free workouts are intended for foreground use • Detection availability and accuracy can vary with device placement, movement, lighting, and camera angle DISCLAIMER RepChime is a fitness tool and not a medical app or a substitute for professional medical advice. Exercise responsibly, use proper form, and stop if you feel pain, dizziness, or discomfort. Privacy Policy: https://repchime.app/legals/privacy/ Terms of Service: https://repchime.app/legals/term-of-service/ Terms of Use (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

TIMERFLEX – INTERVAL & WOD TIMER The smartest workout timer for serious athletes. Snap a photo of any whiteboard. Describe your session in plain text. TimerFlex builds the entire workout — rounds, intervals, rest — instantly with AI. ——— AI WORKOUT GENERATOR Point your camera at a gym whiteboard or type your workout. AI reads it and sets up the complete timer in seconds. No programming. No fumbling. Just press go. APPLE WATCH SYNC Full timer on your wrist the moment you start. See rounds, phases, and time remaining without touching your phone. Haptic cues keep you on pace. Start and pause from your wrist. REAL-TIME HEART RATE & CALORIES Live BPM and active energy during every session via HealthKit. Know exactly how hard you're working without leaving the timer. 5 PURPOSE-BUILT FORMATS Not a generic countdown. Each format knows exactly what it's doing: • For Time — race the clock, finish as fast as possible • AMRAP — maximum rounds in a fixed window • EMOM — new movement every minute, automatically • Tabata — 20s work, 10s rest, 8 rounds, handled • Custom — chain any combination into one session No manual resets. No counting rounds in your head. TimerFlex handles all of it. 1RM CALCULATOR Built into every setup screen. Enter your max and get instant percentage breakdowns for every lift. VOICE COACH & AUDIO CUES Countdown calls, phase announcements, halfway alerts. Eyes on your reps, not your screen. LARGE DISPLAY & LANDSCAPE MODE Numbers big enough to read from across the gym. Rotate for maximum visibility mid-set. WORKOUT HISTORY & MONTHLY STATS Every session logged automatically with mood, duration, and notes. Monthly Wrapped gives you your longest streak, total time, and favorite format so you can see your training compound over time. SAVE, FAVORITE & REBUILD Save any workout as a template. Favorite your go-to sessions. Retry any past workout in one tap. NOTES & PHOTO ATTACHMENTS Attach whiteboard photos or text notes to any session. Your workout context, always with your data. EXPORT & BACKUP Export your full history as CSV or JSON. Your data, your way, always portable. ——— BUILT FOR • CrossFit WODs & box sessions • HYROX training blocks • HIIT & interval circuits • Tabata (20s work / 10s rest) • EMOM (Every Minute on the Minute) • AMRAP (As Many Rounds As Possible) • Home gym, garage & travel workouts • Benchmark WODs: Murph, Cindy, Fran ——— TIMERFLEX PRO Unlock unlimited AI Generator, Custom Workout Builder, premium voices and sounds, heart rate insights, Monthly Wrapped, photo notes, workout export, Apple Watch sync, and zero ads. Monthly · Quarterly · Annual — your choice. ——— Privacy Policy: https://plainworks.co/timerflex/privacy-policy Terms of Use: https://plainworks.co/timerflex/terms