Calories Deficit is a minimal, no-nonsense app for tracking weight loss through calorie deficit. The science is simple: a deficit of 7,700 kcal burns 1 kg of fat. Log your weight, calories eaten, and calories burned each day — the app handles the rest. WHAT YOU TRACK • Daily weight (kg) • Calories eaten • Calories burned • Optional notes WHAT YOU SEE • Today's deficit and estimated fat lost or gained • 7-day moving average weight • Charts for weight trend, daily deficit, and cumulative fat evolution • Weekly summaries with averages for eaten, burned, and deficit • Full entry history with edit support KEY FEATURES • No account, no cloud — all data stays on your device • Dark and light mode • Clean, distraction-free interface • Works fully offline Whether you're cutting for summer, following a diet plan, or just staying consistent — Calories Deficit gives you the numbers that matter, nothing else.