Calorie Deficit: Diet Track

Track calories and macros the easy way. Barcode scan, intermittent fasting, a deficit goal built for you — 100% on your iPhone.

Calorie Deficit makes losing weight simple: log what you eat, and the app tracks your calories and macros — showing exactly how much you have left for the day.

YOUR DAY AT A GLANCE • A calorie ring that fills up with every meal • Protein, fat and carbs tracked against your goal • Calories remaining, big and easy to read

ADD A MEAL IN SECONDS • Scan the barcode (open Open Food Facts database) • Search a food by name • Enter calories and macros manually • AI photo estimate (Pro option, with your own key)

YOUR GOAL, CALCULATED FOR YOU • Basal metabolism and total burn (Mifflin-St Jeor) • Deficit as a % of your burn — never a random number • Ideal weight, BMI explained, kg to lose

INTERMITTENT FASTING BUILT IN (free) • 16:8, 18:6, 20:4, OMAD timer with a live countdown • Automatic mode: fasts record themselves between meals • Start from your last meal, see the planned end time • History and charts of your fasts

STATS & HISTORY • Calories/day colored by macro, with your goal line • Over/under your goal, day by day • Cumulative deficit over 7 / 14 / 30 days

YOUR DATA STAYS WITH YOU Everything is stored on your iPhone. No collection, no account, no ads.

Bilingual English / French. Weight from Apple Health (read-only, optional).

Calorie Deficit Pro (one-time purchase) unlocks the PDF report, predicted-vs-real weight tracking, automatic photo analysis (via your own Anthropic key, billed per use by Anthropic) and automatic weight sync. Full tracking stays free, forever.