INTVL vs Syncly

INTVL is the interval timer built for athletes who demand precision. Whether you're crushing a HIIT session, powering through Tabata rounds, or timing your boxing drills — INTVL keeps you in the zone with clear audio cues, voice coaching, and haptic feedback so you never miss a beat. PRECISION TIMER Frame-perfect countdown with color-coded intervals. Large, high-contrast display visible from across the room. Loud audio cues that cut through gym noise. Haptic vibrations so you can feel every transition. Background mode keeps the timer running even when your phone is locked. DRAG & DROP WORKOUT BUILDER Design custom workout sequences with an intuitive drag & drop interface. Add work, rest, prepare, and cooldown phases. Set rounds, adjust durations, and preview your total workout time — all before you start. Save unlimited presets for your favorite routines. VOICE COACH Built-in voice coaching announces interval changes, countdowns, and motivational cues. Adjustable speech rate and language-aware — speaks in your device language. Train without looking at your screen. WORKOUT LIBRARY Browse preset workouts across HIIT, Tabata, Cardio, Strength, and Yoga categories. Filter by intensity level and duration. Start any workout in seconds, or use presets as templates to customize. QUICK SETUP Not ready for the builder? Use Quick Setup to configure work time, rest time, and rounds in 3 taps. Perfect for simple interval sessions. ANALYTICS & STREAKS Track your workout history with detailed stats. See calories burned, total work time, and rounds completed. Maintain consistency streaks and visualize your weekly training trends. Stay motivated with insights into your progress. DESIGNED FOR FOCUS Pure black OLED-optimized interface designed for zero distraction during intense training. Color-coded phases — green for work, blue for rest, yellow for prepare, orange for cooldown — let you know what's coming at a glance. BUILT FOR EVERY ATHLETE Perfect for HIIT, CrossFit, Tabata, boxing, MMA, circuit training, running intervals, cycling, rowing, yoga flows, stretching routines, and any activity that needs precise timing. INTVL PRO Unlock the full experience with a free trial: • Unlimited custom timer presets • Full workout library access • Advanced analytics and insights • Priority support Download INTVL and take control of your training. Your next personal best starts now. INTVL Pro – Yearly Subscription - Full access to all features - Unlimited interval workouts & custom timers - Auto-renews yearly – cancel anytime in iPhone Settings Privacy Policy: https://intvltimer.app/privacy-policy Terms of Use (EULA): https://intvltimer.app/terms-of-use

Your Fitbit measures it. Our app makes sure Apple Health gets it. Move your health data from your Fitbit account into Apple Health, accurately, automatically, and privately. Connect once, and everything your tracker records shows up where the rest of your iPhone health life already lives. ALL 22 METRICS, MOVED IN Steps, workouts, sleep stages, heart rate, resting heart rate, HRV, VO2 max, distance, floors, calories, water, weight, body fat, SpO2, breathing rate, skin temperature and more, everything Fitbit tracks, written into Apple Health in the right units. SLEEP STAGES, TRANSLATED RIGHT Fitbit's sleep becomes Apple's sleep, stage by stage. Light becomes Core, REM stays REM, deep stays deep. Nothing invented, nothing lost. SET IT ONCE, SYNCED DAILY Turn on Auto-Sync and the app runs every morning by itself. Wake up with last night's sleep and yesterday's activity already in Apple Health. 3 YEARS BACK, IN ONE TAP Import your history, up to 1,095 days of past Fitbit data, so your Apple Health charts tell the whole story, not just what happened since you switched. PRIVATE BY DESIGN A bridge, not a database. We never see, store, or sell your credentials or your health data. Your numbers travel from Fitbit to Apple Health, and nowhere else. Set up in about a minute: sign in with Fitbit, allow Apple Health, done. Works with all Fitbit devices, including Versa, Sense, Charge, Inspire, Air and Luxe. This app is independent and is not affiliated with, endorsed by, or sponsored by Fitbit, Google, or Apple. To sync all metrics, a pro subscription is required. Questions? We're at orbionsarl@icloud.com