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Custom SoftwareHealthTech

Fitness & Wellness App

Comprehensive fitness app with workout tracking, nutrition planning, and wearable integration.

Duration

7 months

Team Size

5 developers

Industry

HealthTech

Category

Custom Software

Fitness & Wellness App

A holistic health and fitness application that combines workout tracking, nutrition planning, and behavioral insights powered by wearable data.

The Challenge

A fitness brand wanted to launch a mobile app to compete with major players:

  • Crowded market - Standing out among thousands of fitness apps
  • Engagement drop-off - Most users quit after 2 weeks
  • Data silos - Wearables not talking to nutrition trackers
  • Generic content - One-size-fits-all workout plans

They needed an app that users would actually stick with.

Our Approach

We built an intelligent fitness companion that adapts to each user's goals, preferences, and progress.

Engagement Strategy

  1. Personalization - AI-driven recommendations
  2. Gamification - Streaks, badges, and challenges
  3. Social Features - Friends, groups, and competitions
  4. Wearable Sync - Unified health data view

The Solution

Workout Tracking

  • 1,000+ exercises with video guides
  • Custom workout builder
  • Rep and set tracking
  • Rest timer with auto-progression

Nutrition Planning

  • Macro and calorie tracking
  • Meal planning with recipes
  • Barcode scanner for foods
  • Restaurant menu database

Progress Analytics

  • Body measurements over time
  • Strength progression charts
  • Weight trend analysis
  • Personal records tracking

Wearable Integration

  • Apple Watch and HealthKit sync
  • Fitbit and Google Fit support
  • Heart rate zone training
  • Sleep and recovery insights

Technology Stack

LayerTechnologies
MobileReact Native, TypeScript
BackendNode.js, Firebase
MLTensorFlow Lite, Core ML
Health DataHealthKit, Google Fit
AnalyticsAmplitude, Mixpanel
PaymentsRevenueCat, Stripe

Results & Impact

The app became a market leader:

  • 500K+ downloads in the first year
  • 75% retention at 30 days (industry avg: 25%)
  • 4.8 stars on App Store and Play Store
  • 50M+ workouts logged by users

Engagement Features

Gamification

  • Daily streaks with rewards
  • Achievement badges
  • Weekly challenges
  • Leaderboards

Social

  • Follow friends
  • Share workouts
  • Group challenges
  • Trainer communities

Client Testimonial

"The retention numbers speak for themselves. Users actually come back because the app truly understands their fitness journey."

— Founder, Fitness Brand


Building health tech? Contact us to discuss fitness app development.

Key Results

1

500,000+ downloads

2

75% user retention at 30 days

3

4.8 App Store rating

4

50M+ workouts logged

Technology Stack

React NativeNode.jsFirebaseHealthKitGoogle FitTensorFlow Lite

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