Engineered for Pure Performance.
Fit Host is built for speed, offline autonomy, and privacy. Every feature listed here is verified against our Flutter codebase and classified with complete transparency.
Available Now in Fit Host v2.1.0
Fully implemented features running natively on Android and iOS devices.
Interactive Workout Logging
Log full workout sessions with set-by-set weight, repetition tracking, rest timers, and volume summaries. Real-time metrics keep you focused under the bar.
- Custom set and repetition entry with weight values (kg / lbs)
- Automated rest timer between sets with audio cue
- Volume, duration, and exercise completion calculation
- Saves instantly to local SQLite with zero network lag

10 Categorized Workout Disciplines
Structured libraries covering Strength, Bodyweight, Cardio, HIIT, Chest, Back, Arms, Legs, Abs, and Yoga with custom muscle group targeting.
- 10 dedicated disciplines with curated movement catalogs
- Visual anatomical targeting for chest, back, arms, legs, and abs
- Support for compound barbell lifts and bodyweight progressions

Precision Hydration Tracking
Monitor daily water intake with fast 1-tap presets (250ml cup, 500ml bottle, 750ml shaker). Visual circular completion rings keep you accountable throughout the day.
- Dynamic circular hydration gauge with percentage completion
- Quick-add volume shortcuts (+250ml, +500ml, +750ml)
- Daily target customization in milliliters

Macro Nutrition & Calorie Tracking
Track daily calories, protein, carbohydrates, and healthy fats. High-contrast macro distribution bars clarify caloric intake against your personal goals.
- Individual grams breakdown for protein, carbs, and fats
- Visual calorie budget gauge with surplus / deficit indication
- Categorized meal entries (Breakfast, Lunch, Dinner, Snacks)

100% Offline Local Drift Engine
Never lose a workout in an underground gym or offline basement. All records write immediately to an embedded Drift SQLite database with sub-millisecond execution.
- Zero network dependency during workout execution
- Encrypted device-level storage with fast schema migrations
- Background persistence queue with zero memory leaks

Supabase Cloud Synchronization
Seamless two-way cloud synchronization to PostgreSQL. Multi-device access, automated conflict resolution, and strict Row Level Security (RLS) protection.
- Row Level Security guarantees complete private access
- Auto-syncs pending offline records once connection returns
- Multi-device cloud restore upon signing in

Zero-Barrier Guest Mode
Start logging instantly without registering an email or password. Upgrade to a permanent cloud account whenever you choose with seamless automatic data migration.
- No sign-up or credit card required to test the full app
- Private local device storage
- 1-click data merge when signing up later

Workout & Hydration Alarms
Configurable reminder notifications to build consistent daily training and hydration habits. Native sound selection with background lifecycle handling.
- Custom reminder scheduling for morning, afternoon, or evening
- Selectable alarm melodies and subtle haptic vibrations
- Reliable background execution on Android and iOS

Partially Available / In Active Refinement
Features functioning with hardware-specific limitations or currently undergoing background optimization.
Daily Step & Sensor Pacing
Basic hardware step counting supported via local device sensors on selected Android models. Full background passive pedometer engine is currently being optimized for battery efficiency.
- Hardware step counter integration via Android sensor API
- Active session step count calculation
- Battery-efficient background tracking under active refinement
Planned & On Roadmap
Upcoming enhancements scheduled for upcoming minor and major releases.
WearOS & Apple Watch Companion Apps
Dedicated smartwatch companion experience to view upcoming sets, log reps directly from your wrist, and monitor heart rate during high-intensity intervals.
- Wrist-based set logger and rest countdown display
- Real-time heart-rate zone visualization
- Offline sync directly between watch and mobile phone
Team & Community Leaderboards
Optional social workout challenges, club leaderboards, and shared training programs with friends while preserving complete control over personal privacy.
- Private friend groups and gym training clubs
- Opt-in weekly workout volume challenges
- End-to-end privacy controls on shared logs
Ready to Train Without Limits?
Fit Host is a dedicated mobile application for iOS and Android. Experience sub-millisecond offline workout logging, accurate macro tracking, and two-way cloud sync.