Rack Strength

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/