Track calories, macros, water intake, and weight — all from one clean, distraction-free app. No account needed. No internet required. Your data stays on your device.
Whether you're losing weight, building muscle, or maintaining — CalZen makes it effortless.
Choose weight loss, maintenance, or gain. Enter your stats and get automatic daily calorie and macro recommendations.
Add food entries with calories, protein, fat, and carbs in seconds. Save favorites to your Food Library for one-tap re-logging.
Track daily water intake and physical activity. See how burned calories affect your daily balance in the calorie ring.
Each meal gets a Health Score so you can see the quality of your food choices at a glance.
View weight trends, calorie averages, and macro breakdowns over days and weeks on clean, easy-to-read charts.
Works fully offline. No account needed. No data leaves your device. Supports both kg/lb and ml/oz units.
