FoodTrack AI
A Telegram Mini App that counts calories from food photos, with AI nutrition reports and its own analytics system
Task
Build from scratch a food diary inside Telegram where nothing has to be weighed or looked up in food databases: you photograph your plate and AI works out the dish, its weight, calories and macros. And from day one, see which acquisition channels and prices bring in payments.
Solution
- Food recognition from a photo, a label screenshot or a text description: name, weight, calories and macros, a goal-aware conclusion and a usefulness score from 1 to 10. Results can be corrected in text and recalculated.
- An onboarding survey and a personal norm based on the Mifflin–St Jeor formula, adjusted for activity and goal: lose, maintain or gain weight.
- AI reports for the day, week and month: a rating of nutrition and activity, with specific advice.
- A daily dashboard with calorie and macro rings, history with search and favourites, activity and calories burned, weight and calorie charts.
- A Telegram Stars subscription with a trial and promo codes; prices and the trial were A/B tested across six groups.
- A referral programme: one-tap invites, and after a friend’s first payment both get a month of subscription.
- Russian and English interface; photos are compressed on the phone, and iPhone HEIC images are converted.
TechnologyNext.jsReactTypeScriptTailwindSupabaseRedisOpenAIRecharts
Result
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3 ways to log food
What it meansA photo of the plate, a label screenshot or a few words: AI works out the dish, its weight and macros in seconds.
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6 price A/B test groups
What it meansDifferent subscription prices and trials were tested on live traffic, with results visible as revenue in the in-house analytics.
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5 in-house analytics reports
What it meansOverview, performance, retention, goals and funnels, with no third-party counters and attribution via the launch link.
Screens
Daily progress: calories, macros and the meal feed 
AI recognised the dish from a photo: weight, macros and a verdict 
A daily AI report with advice 
Weight trend and calories by day 
A personal plan after onboarding 
A Telegram Stars subscription
In-house analytics
To see where users come from and what brings in payments, we built the app its own analytics system: events are sent straight from the mini app, and a separate dashboard turns them into reports.
- Source, campaign, creative and A/B group travel in the mini app’s launch link and stay attached to the user.
- Sessions, page views, onboarding steps, food logging, paywall views and payments, with platform and geo data.
- Reports: overview, performance broken down by any dimension with revenue, cohort retention, goals and funnels.
- Dashboard sign-in via Telegram, for admins only.
Overview: users, sessions, purchases and revenue 
The onboarding funnel step by step 
Cohort retention 
Performance by A/B group and source
The screenshots show demo data.
What shall we build together?
Tell us what you want to launch or improve. We’ll discuss the task and suggest the next step.