Rack Strength vs LiftSync

Turn your watch into a strength training powerhouse - with intelligence no other app has. Rack is the only strength training app that combines real-time watch integration with per-muscle-group recovery intelligence. Track from your wrist. Get pre-workout readiness briefs. Let Rack learn how your body responds to training - and watch its recommendations get smarter with every session. ON YOUR WRIST Hot-Swap - equipment taken mid-workout? Swap any exercise without stopping your activity. Your watch keeps counting. Both exercises are recorded. No workarounds. No data loss. DataBuffer - phone in your locker. Basement gym. No signal. Rack queues every set directly on your watch and syncs the moment you reconnect. Nothing is lost. Training Readiness that knows you did leg day. Rack records your workouts as proper Strength activities - feeding your Training Load and Training Readiness correctly. INTELLIGENCE BUILT ON YOUR DATA Pre-Workout Brief: readiness score, per-muscle recovery status, and load balance analysis - before every session. Not generic advice. Specific to what you lifted, when, and how much. Training Alerts: Rack watches for volume imbalances, unusual load spikes, and patterns that precede plateaus. You get flagged before problems become setbacks. The longer you train with Rack, the more it learns about your body. No auto-pilot. Your data, your decisions. BUILT FOR SERIOUS LIFTERS - Real-time watch sync with Hot-Swap and DataBuffer - Per-muscle-group recovery tracking (tau-decay model) - Pre-Workout Brief with readiness and load balance - 500+ exercises with muscle group categorization - Automatic PR detection and history - Live heart rate during every set - No 50-step limit. No locked order - Reorder or swap exercises mid-workout - Full workout history with calendar view - Apple Health and HealthKit integration - iCloud sync across devices - CSV export for your data Supported devices: Fenix 7 series, Forerunner 965, Epix 2, Venu 3, Enduro 2 and 50+ other models. PLANS Start Logging free - unlimited workout logging, full exercise library (read-only), basic watch sync, and 30-day history. Pro unlocks Hot-Swap, Offline mode, custom exercises, progressive overload tracking, training intelligence features, and full history. $8.99/month, $44.99/year, or $89.99 Lifetime (Early-birds' pricing). Join the lifters who brought watch-first training to the rack. Discover Intelligence that knows your training. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

LiftSync turns your Apple Watch into a complete strength training companion. Follow your training plan set by set, log weight and reps, and get haptic cues when your rest is over — all without touching your phone. CORE FEATURES • Training plans on your wrist — exercises, sets, target reps, suggested weight, and rest times sync automatically from liftsync.fit. • Real-time set tracking. Log your weight and reps after each set with the Digital Crown. Weight and rep values carry forward to the next set of the same exercise. • Smart rest timer. Circular countdown with configurable duration per exercise. Haptic tap when it's time to lift. Shows the next exercise so you can prepare. Skip anytime. • Automatic PR detection. Every set is compared to your history. Beat your previous volume? Instant haptic celebration on your wrist. • Full HealthKit integration. Each workout is a real Apple Health session with heart rate tracking. Workouts count toward your Activity Rings and Training Load. • Offline-first design. Log your entire workout without phone or signal. Sessions queue and sync automatically when connection returns. • Workout summary. After each session see your total sets, reps, volume (kg), and duration at a glance. HOW IT WORKS 1. Create your training plan on liftsync.fit 2. Pair your Apple Watch with a 6-digit code 3. Select a plan and start your workout 4. Follow exercises set by set with rest timers 5. Workout syncs back to liftsync.fit automatically PAIRING & SYNC Pair your watch with a free liftsync.fit account using a 6-digit code generated in Settings → Watch Pairing. Plans sync to the watch. Completed workouts sync back to the web for progression analytics and history. PRIVACY No ads, no third-party trackers. Health and fitness data are collected only to power the workout session and (optionally) sync to your liftsync.fit account. DEVICE REQUIREMENTS • Apple Watch Series 6 or later (Ultra recommended for best experience) • watchOS 11 or later • iPhone running iOS 18 or later (for initial App Store installation only)