APPSPEC.mdHealth & Fitness
App Clone inspired by Fitbit
A production-grade clone of Fitbit — 116 screens covering activity, sleep, heart, nutrition, community, and device pairing.
Install in one line
Drops ./APPSPEC.md into your project and references it from ./CLAUDE.md. One file — screens, tokens, and interactions.
2.6k
Installs
116
Screens
412
Saves
Not affiliated with Fitbit. Reverse-engineered for educational and prototyping use only.
Fitbit is a comprehensive health companion app that syncs with Fitbit wearables and surfaces activity, sleep, heart-rate, glucose, and wellness data. This starter mirrors the app's real information architecture — bottom-tab shell, social feed, device onboarding, and full settings — ready to adapt for any wearable or health product.
See the clone in action
Toggle between the live prototype and the raw markdown this starter ships.
What this app actually does
Parsed directly from features.md — every capability grounded in decompiled source.
Activity & Fitness Tracking
- Steps
- Active Minutes
- Active Zone Minutes (AZM)
- Calories Burned
- Distance
- Floors Climbed
Heart Rate & Cardiovascular Health
- Heart Rate Monitoring
- Heart Rate Zones
- Resting Heart Rate
- Cardio Fitness Score (VO2 Max)
- Heart Rate Notifications (Bat Signal)
- Heart Rate Variability (HRV)
Sleep Tracking
- Sleep Logging
- Sleep Score
- Sleep Goal
- Bedtime Reminders
- Sleep Settings
- Sleep Profile (Sleep Bio)
Health Metrics & Vitals
- Blood Oxygen (SpO2)
- Breathing Rate (Respiratory Rate)
- Skin Temperature
- Body Temperature (External Thermometer)
- Stress Score
- Stress Body Responses
Nutrition & Food Logging
- Food Logging
- Calorie Goal
- Meals
- Food Locales
- Food Units
Weight & Body Composition
- Weight Logging
- Weight Goal
- Body Fat Goal
- Aria Scale Integration
Menstrual Health & Cycle Tracking
- Menstrual Health Tracking
- Cycle Symptom Logging
- "About menstrual health tracking"
Blood Glucose Tracking
- Glucose Logging
- Glucose Settings
- Glucose Reminders
- Glucose Onboarding
- Glucose Privacy Center
- Third-Party CGM Integrations
All 116 screens, documented
Every screen in the app with full UI spec. Click a group to jump into screens.md.
+ 68 more in screens.md.
Information architecture
How screens cluster into flows. Derived automatically — good sanity check when you're rewiring the app.
Home & Dashboard
8 screensSocial & Community
9 screensMedia & Playback
3 screensTracking & Logs
38 screensOnboarding & Auth
20 screensProfile & Settings
22 screensDetail & Sheet
2 screensOther
14 screensThe design system, inferred
A coherent system derived from brand cues and app category. Use it verbatim, or override the tokens in § 05 of APPSPEC.md.
Palette
Brand Teal
#00B0B9
Coral CTA
#FF5F5F
Ink
#1E1F21
Surface
#F7F7F7
Muted
#8E8E93
Typography
The quick brown fox jumps
Body copy at 16 / 24 — comfortable for long reads.
Meta · 12 / 16 · tracking tight
System sans (SF Pro / Roboto) · 15/17/22/28
Radius & Spacing
4px
8px
12px
pill
12px cards · 8px inputs · pill buttons
8px base grid
Elevation
level 0
level 1
level 2
Layered shadows for cards, sheets, and floating buttons.
Key micro-interactions
Pulled from the screens.md spec — the small moments that make the clone feel real.
Today Dashboard (Home)
Tapping a tile navigates to the detail screen for that metric (e.g., tapping Steps opens the Steps detail/history screen)
Social Feed
Tapping Cheer button toggles cheer state on/off; cheer count increments/decrements immediately (optimistic update); button highlights when c
Post Composer
Typing in the text field enables the Post button
Group Feed
Tapping Join sends a join request (public groups: instantly joined; private: pending approval); button changes to "Joined ✓"
Comment Thread
Typing in the input field activates the Send button
Device Details (Tracker Details)
Triggered by tapping "Remove" in the overflow menu
Other clones you might want
Same vibe, different product. All generated the same way.
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