Cardi – Smart Weight Loss Coach Backed by AI & Nutrition Science

Client: Innodiets
Industry: HealthTech, Nutrition, Fitness
Platform: Android Mobile Application
Services Provided: UI/UX Design, Mobile App Development, AI Integration, Progress Tracking, App Store Optimization

Project Overview

Cardi is a revolutionary mobile application designed to help users lose weight effectively through personalized coaching powered by artificial intelligence and data-driven nutrition science. It acts as a virtual coach that provides tailored plans, progress tracking, and motivation—all in one sleek, easy-to-use mobile experience.

ProtonBits collaborated with Innodiets to bring this vision to life through an elegant Android application that leverages cutting-edge technology to deliver measurable health results. The result is a scalable, smart, and engaging wellness platform.

Our Approach

The goal was to develop a mobile app that feels like having a personal health coach in your pocket. Our team focused on:

  • Creating a Personalized User Journey: By integrating AI for customized weight loss programs

  • Building a Scalable Architecture: To support daily usage by thousands of users and collect user health data securely

  • Designing with Behavioral Psychology in Mind: Motivating users through gamification, rewards, and progress visualization

  • Offline Capabilities: Allowing key features to work even without internet access

Key Features Delivered

  1. AI-Powered Nutrition Planning
    Cardi uses intelligent algorithms to generate weight loss plans based on user goals, lifestyle, and preferences.
  2. Weight & Body Metrics Tracker
    Users can log their weight, BMI, water intake, and other key metrics daily to visualize progress.
  3. Meal Suggestions & Coaching Tips
    The app provides meal recommendations and motivational advice tailored to user behavior and feedback.
  4. Daily Reminders & Progress Rewards
    Gamified daily check-ins, achievement badges, and reminders keep users engaged and consistent with their goals.
  5. Multilingual Support
    Support for multiple languages to reach a wider user base and promote accessibility.

UI/UX Highlights

  • User Onboarding Wizard: A step-by-step personalized onboarding flow to gather goals and preferences

  • Visual Progress Dashboards: Easy-to-read graphs and insights to show weight trends and milestone achievements

  • Clean, Wellness-Focused Design: A minimal and calming UI with soft colors, modern typography, and intuitive iconography

  • Mobile-First Experience: Designed with one-hand usability and swipe gestures in mind

Technologies Used

  • Frontend: React Native

  • Backend: Firebase, Node.js

  • Database: Firestore

  • Authentication: Firebase Auth

  • Machine Learning: TensorFlow Lite integration for AI nutrition models

  • Notifications: Firebase Cloud Messaging

  • Deployment: Google Play Store

Impact

Since launch, Cardi has seen strong adoption in the wellness market with thousands of downloads and excellent user retention. The app has helped users:

  • Stay consistent with their fitness and nutrition goals

  • Achieve visible weight loss results through personalized coaching

  • Reduce dependency on traditional diet plans with self-managed tools

Cardi is a proud example of ProtonBits’ ability to create meaningful health tech solutions that blend AI, mobile UX, and real-world behavior change. We’re honored to help people build healthier lives, one daily goal at a time.