Feature Overview
Everything you need.
Nothing you don't.
FitKind stays tracker-first: logging, PRs, and offline reliability lead today. GPS and wearables are on the roadmap in the power layer — coming after launch, not in the app yet.
🗃️ Vault
Your fitness library
Every exercise, every template, every calculator — organised and instantly accessible.
- 173 curated exercises, 407 variants (equipment, grip, position, laterality) — zero template pollution
- ExerciseFamily + variant model — Bench Press → Incline Dumbbell Bench Press
- Workout templates with supersets, circuits, drop sets, and pyramid sets
- Template versioning — edit without destroying your history
- Plate calculator (7 bar types), 1RM calculator (7 formulas), warmup generator
- Expert mode with RPE, RIR, and tempo fields
- Normal mode with clean, distraction-free logging UI
📈 Journey
Your progress, beautifully tracked
Personal records, volume analytics, streaks, and body measurements in one place.
- Automatic PR detection on every completed set
- PR history with date, weight, reps, and session context
- Volume analytics — weekly, monthly, and 90-day charts
- Muscle engagement heatmap (front + back, 15 muscle groups)
- Workout frequency calendar
- Body measurements (15 metrics: weight, body fat %, circumferences)
- Two streak modes: daily consecutive or N workouts per rolling week
- Streak milestones at 3, 7, 14, 30, 60, 90, 180, 365 days
🔥 Fuel
Readiness, not just activity
Fire Score tells you how ready you are today — not just how much you lifted last week.
- Fire Score: 0–100 daily readiness built from strain, sleep, HR, and HRV
- Graceful degradation — score always available even with partial data
- Apple HealthKit integration (iOS): sleep, HR, HRV, active energy, body weight
- Google Health Connect integration (Android): equivalent permissions
- Historical import: up to 6 months of past workout data on first connection
- Hydration tracking with daily targets and intake logging
- Duplicate detection on health imports (prevents double-counting)
🏆 Arena
Earn your credentials
47+ badges across 9 categories. Monthly challenges. Your record, ranked.
- 5 rarity levels: Common → Uncommon → Rare → Epic → Legendary
- 9 badge categories: milestone, consistency, volume, PR, explorer, strength, challenge, seasonal, special
- Lottie celebration animation on every unlock
- Pin up to 5 badges on your profile
- Monthly challenges with completion tracking
- Automatic badge evaluation after every workout and PR
- Exclusive Beta Tester badge for early adopters (not available post-launch)
📴 Offline
Works everywhere. Always.
Every tap writes to local storage first. Sync is silent and automatic.
- Full workout logging with zero network connection
- Browse all 173 curated exercises offline (cached library)
- Templates, history, and analytics available offline
- Auto-save on every set — crash-proof by design
- Resume prompt if app closes mid-workout
- Intelligent sync queue with exponential backoff retry
- Conflict resolution: client wins for user content, server wins for system data
Ready to get started?
Join early access to try the tracker before the public launch.