Fitness app with an AI coach
QFit brings workouts, nutrition and progress together in one app, and the AI coach changes the personal plan based on the user’s messages
Project at a glance
QFit is Quantum Dev’s own product. The task was to bring personal workouts, nutrition and progress together in one app where users can change their plan and log entries by talking to an AI coach. The plan has to take into account the user’s schedule, sleep, how they feel and the equipment they have, so that workouts fit into everyday life at home or at the gym.
- AI coach to move and swap workouts and log food and weight
- Adaptive weekly plan for gym, running and swimming
- Calorie and macro estimates from text or photos
- Meal menu with a shopping list and a meal plan for couples
- Bring workouts, nutrition and progress together in one app
- Adapt the plan to the user’s schedule and well-being
- Let users change the plan and log entries through chat
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Workouts and nutrition in one place
QFit combines a weekly workout plan, a food diary and stats on weight, activity and running. Users keep track of everything in one place and ask the AI coach when the plan needs to change.
The app works on phones and computers, can be added to the home screen and supports push notifications. All features can be tried free for 14 days, with no card required.
The plan adapts to your life
The weekly plan combines gym, running and swimming. It takes into account schedule, sleep and how you feel, as well as the equipment you train with. If plans change, just message the coach: in the chat, you can move or swap a workout and rebuild the week.
Coach notes link the upcoming training load to the workouts already completed. Workouts from a watch can be imported as files and screenshots, and syncing with an external workout tracking service is also available.
A diary you keep by chatting
Food can be logged with a regular message or a photo of the meal. The AI coach estimates calories and macros, so there’s no need to weigh every portion to keep the diary. Users log their weight in the same chat; the conversation stays on training and nutrition.
The app also has a meal menu with a shopping list and a shared meal plan for couples.
Exercise technique on hand
The QFit library includes 1,894 exercises with photos, videos and technique descriptions. Each exercise card lists the equipment, difficulty and muscle groups, and the movements are broken down step by step.
Technical details
Technical details
The web app is built with Next.js and React, and data is stored in SQLite. Access to AI goes through a single gateway.
Target audience
- People who work out at home or at the gym
- Running and swimming enthusiasts
- Couples who need a shared meal plan
What’s inside
AI coach to move and swap workouts and log food and weight
Adaptive weekly plan for gym, running and swimming
Calorie and macro estimates from text or photos
Meal menu with a shopping list and a meal plan for couples
Workout import from watches via files and screenshots
Weekly stats on weight, activity and running
Library of 1,894 exercises with photos, videos and technique
Home screen install and push notifications
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