Food logging
Search FatSecret, pick a serving, and keep a clean meal diary with protein, carbs, sugar, and fat.
Diary import
Bring history from MyFitnessPal, Lose It!, Cronometer, FatSecret, or a generic CSV — foods and weigh-ins.
Activity burn
Estimate calories burned from walking, cycling, and more using Compendium MET values and your weight.
Metrics charts
Line graphs for intake, burn, macros, and weight over 7, 30, or 90 days.
Goal pacing
Set a goal weight and see how many days today’s deficit pace would take to get there.
Meal diary
Group entries by breakfast, lunch, dinner, or snack and revisit any past day in one tap.
Macro totals
Day totals roll up kcal with protein, carbs, sugar, and fat — not calories alone.
Weight tracking
Log weigh-ins in lb or kg and watch the trend against your goal weight.
Daily goal ring
Set a calorie target and see whether today’s intake and burn put you under or over.
Serving picker
Choose branded or generic servings, set quantity, and preview macros before you log.
Private accounts
Your food, weight, activity, and goals stay tied to your login across devices.
Grok connector
Create an API key and talk to thycc from Grok — log food, pull diary days, and check trends in chat.
Thycc Watch app
Android (and iPhone) companion in testing — sync wearables into your diary. Hardware ordering comes soon.
Fitness social
Status updates, day cards from Share, comments, profile photos, and friends — a network around your diary.
Log in the tracker — or from Grok
Search real foods and watch macros update, or connect a personal API key and ask Grok to log meals and pull trends in chat.
Thycc Watch on your phone
The companion app is in a testing phase: Site tab opens thycc.fit, Watch tab pairs the Thycc FIT Watch — a PineTime running InfiniTime (the software that talks BLE to the phone) — and phones home to your diary. Hardware is still under testing. Android beta APK is up — PineTime BLE plus other watches via Gadgetbridge. On iPhone, Apple Health (HealthKit) now syncs day activity into thycc. New: a device walkthrough video — and we still recommend PineTime first.
How a day works
Three loops keep intake, burn, and goal weight on the same screen.
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1
Log what you eat
Search FatSecret — or snap a meal for xAI / Grok to name it — then pick a serving for breakfast, lunch, dinner, or snack. Macros roll into the day total.
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2
Log what you burn
Choose an activity and duration. Burn is estimated with Compendium MET values scaled to your current weight.
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3
Read the pace
Deficit ≈ goal − (intake − burn). When you’re under, thycc.fit estimates days to your goal weight from today’s pace (~3,500 kcal per lb).
Switching trackers? Bring your history
Upload an export from MyFitnessPal, Lose It!, Cronometer, FatSecret, or a generic CSV. Foods and weigh-ins land in your thycc.fit diary — pick a source, follow the export steps, and import.
- MyFitnessPal Premium ZIP or CSVs
- Lose It! full export (food-logs + weights)
- Cronometer food entries & biometrics
- FatSecret diary CSV or flexible generic CSV
Burn that matches your body
Activity estimates use MET × kg × hours — you log pounds; we convert to kilograms before the math. A brisk walk at 180 lb isn’t scored the same as one at 220 lb. Log sitting, walking, cycling, housework, and more without a wearable.
- Daily calorie goal you control
- Weight diary in pounds
- Goal weight with remaining distance
- Line charts for intake, burn, macros, and weight
Your diary, your account
Create a free account and keep food, weight, activity, and goals private to that login. Open the tracker on any device, pick a date, and pick up where you left off. The Thycc Watch companion wraps the same site and can sync a wearable into your diary.
- Email + password auth (verified)
- Per-user SQLite diary
- Date navigation for past days
- Thycc Watch — Site + Watch tabs on Android (iPhone twin in progress)
Ready to log today’s first meal?
Open the tracker, search something you already ate — or import a diary from another app — and see the ring move.