The best deficit apps on iPhone average 4.5★ across 249+ titles — we've ranked them by what real users actually keep on their phones. Updated October 2026.
This app calculates your precise daily calorie deficit needed for weight loss based on your personal stats and wearable data. It tracks your meals and calories burned against this target, adjusting automatically as you progress. It offers a data-driven approach to achieving your weight goals.
This AI-powered app helps you achieve your health and fitness goals by tracking calories, macros, and water intake. It offers a comprehensive food database, workout logging, personalized goals, and meal planning to monitor your progress.
Track your food intake and nutrition with a comprehensive calorie counter. Log meals quickly using a barcode scanner, photo analysis, or search. Monitor macros, vitamins, minerals, and more with detailed insights and progress charts.
Deficit: Calorie Counter tops our deficit apps ranking as of October 2026, with a 5.0-star average from 4 App Store ratings, and it's free to download.
Are there free deficit apps for iPhone?
Yes — 18 of the top deficit apps we rank are free to download, including Deficit: Calorie Counter and MyFitnessPal: Calorie Counter.
Does Deficit: Calorie Counter have ads or in-app purchases?
Deficit: Calorie Counter has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
How many deficit apps are on the App Store?
We track 249+ deficit apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.