Best Calorie Deficit Diet App

234+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated June 2026

If you already know Formula - weight loss diet app, this is the deeper bench. 234+ calorie deficit diet app apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of June 2026.

Top Picks for Calorie Deficit Diet App

Formula - weight loss diet app#1

Formula - weight loss diet app by FJOR NUTRITION, INC.

Anti-Inflammatory, Cortisol
Editor's Choice
💪 Health & Fitness
4.5😐(32K ratings)
FreeAdsIn-App Purchases
Formula - weight loss diet app screenshot 1
Formula - weight loss diet app screenshot 2
Formula - weight loss diet app screenshot 3
Formula - weight loss diet app screenshot 4
Formula - weight loss diet app screenshot 5

This app guides you through various specialized diets like Carnivore, Mediterranean, Anti-Inflammatory, and Cortisol Detox. It offers recipe libraries, meal tracking via voice or barcode, and expert support to help you achieve your health goals.

What We Love

  • 💰 Cost-effective
  • 🚀 Easy to use
  • 📊 Helpful tracking features
  • 🍔 Useful recipes and meal ideas

Room to Improve

  • 🐛 Buggy and glitchy
  • 💰 Overpriced
  • 🤔 Lack of personalization
MyFitnessPal: Calorie Counter#2

MyFitnessPal: Calorie Counter by MyFitnessPal, Inc.

Food, Fitness & Weight Tracker
Strong Contender
💪 Health & Fitness
4.7😐(2.3M ratings)
FreeAdsIn-App Purchases
#1in Health & Fitness
MyFitnessPal: Calorie Counter screenshot 1
MyFitnessPal: Calorie Counter screenshot 2
MyFitnessPal: Calorie Counter screenshot 3
MyFitnessPal: Calorie Counter screenshot 4
MyFitnessPal: Calorie Counter screenshot 5
MyFitnessPal: Calorie Counter screenshot 6

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.

What We Love

  • 💪 Effective for weight loss/healthy eating
  • 🔍 Extensive food database
  • 📊 Helpful tracking and progress features
  • 🤝 Social features and community support

Room to Improve

  • 🐛 Buggy and glitchy app performance
  • 💰 Aggressive push for premium subscription
  • 📋 Inaccurate food data and calculations
Lose It! – Calorie Counter#3

Lose It! – Calorie Counter by FitNow, Inc.

Food Tracker for Weight Loss
Worth Considering
💪 Health & Fitness
4.8😊(763K ratings)
FreeAdsIn-App Purchases
#15in Health & Fitness
Lose It! – Calorie Counter screenshot 1
Lose It! – Calorie Counter screenshot 2
Lose It! – Calorie Counter screenshot 3
Lose It! – Calorie Counter screenshot 4
Lose It! – Calorie Counter screenshot 5

This app helps users achieve their weight loss goals by tracking calorie intake, nutrition, and exercise. It offers features like AI-powered meal logging, barcode scanning, and personalized diet plans to simplify the journey to a healthier lifestyle.

What We Love

  • 👍 Easy to use
  • 🚀 Comprehensive food database
  • 💡 Helpful for weight loss
  • 🚀 Syncs with fitness trackers

Room to Improve

  • 🐛 Inaccurate calorie/nutrition data
  • 💰 Paywall for basic features
  • 📢 Intrusive ads and upselling

More Calorie Deficit Diet App apps to explore

4
Calorie Deficit Calculator
Calorie Deficit Calculator
Calorie Deficit Calculator
Oatsy Macro Tracker Diet Coach
Free

This app helps you achieve your health and nutrition goals by tracking your food intake, water consumption, and exercise. It offers a comprehensive nutrition database, custom diet plans, and AI-powered food scanning to make logging easier.

Advanced food diary with large nutrition databaseCalorie and macro/micronutrient trackingCustomizable diet plans (Keto, Intermittent Fasting, etc.)
💪 Health & Fitness
(3.7K)
free with in-app purchases
5
Calorie Counter - MyNetDiary
Calorie Counter - MyNetDiary
Calorie Counter - MyNetDiary
Food Nutrition Macro Tracker
Free

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.

Barcode scannerMeal Scan (photo logging)Macro and protein tracking
💪 Health & Fitness
(157K)
freemium
6
Calorie Counter & Food Tracker
Calorie Counter & Food Tracker
Calorie Counter & Food Tracker
Weight Loss Macro Meal Planner
Free

Effortlessly track your food intake and nutritional information with an AI-powered scanner that recognizes meals from photos. Get personalized calorie and macro plans to support weight loss, muscle gain, or maintenance.

AI Food Scanner for instant nutritional infoBarcode scanner for packaged foodsPersonalized calorie and macro calculator
💪 Health & Fitness
(29K)
free with in-app purchases
7
Cal AI - Calorie Tracker
Cal AI - Calorie Tracker
Cal AI - Calorie Tracker
Food & Macro Counter
Free

This app helps you achieve your fitness goals by tracking your calorie and macronutrient intake. Simply answer lifestyle questions to create a personalized plan, then snap photos of your meals for an instant nutritional breakdown. It aims to simplify dieting and empower users with the tools and information needed to succeed.

Personalized lifestyle plan creationMeal photo nutritional analysisCalorie and macro tracking
💪 Health & Fitness
(337K)
freemium
8
BitePal: Food Calorie Tracker
BitePal: Food Calorie Tracker
BitePal: Food Calorie Tracker
AI Calorie Counter & Fasting
Free

This app simplifies food tracking with an AI scanner that analyzes your meals from photos. It offers a fun, gamified experience with a customizable character to help you build healthy habits and achieve your weight goals.

AI food scanner from photosEffortless meal loggingCalorie, water, and fasting tracking
💪 Health & Fitness
(49K)
free with in-app purchases
9
calorie.ai - Calorie Tracker
calorie.ai - Calorie Tracker
calorie.ai - Calorie Tracker
making calories simple.
Free

Effortlessly track your calorie and macro intake with AI-powered features and an extensive food database. Set customizable goals, log meals quickly, and monitor your progress to achieve a healthier lifestyle.

Effortless calorie and macro trackingCustomizable goalsExtensive food database
💪 Health & Fitness
(6.8K)
free
10
AI Calorie Counter - Appediet
AI Calorie Counter - Appediet
AI Calorie Counter - Appediet
Food, Macro & Fitness Tracker
Free

Effortlessly track your food intake with AI-powered photo and barcode scanning. Get detailed nutritional breakdowns, personalized diet plans, and expert health advice to achieve your weight loss and wellness goals.

AI food photo scanningBarcode scanner for food entryDetailed nutritional breakdown
💪 Health & Fitness
(45K)
subscription
11
AI Calorie Tracker by Yazio
AI Calorie Tracker by Yazio
AI Calorie Tracker by Yazio
Food tracker for weight loss
Free

This app helps you track your calorie intake and meals to achieve weight loss, muscle gain, or maintenance goals. It offers an AI-powered calorie counter, a vast food database, meal planning, and intermittent fasting support.

AI calorie trackerFood database with barcode scannerIntermittent fasting plans
💪 Health & Fitness
(49K)
freemium
12
Calorie Counter by fatsecret
Calorie Counter by fatsecret
Calorie Counter by fatsecret
Diet & Weight Loss Tracker
Free

Track your food, exercise, and weight with a comprehensive database and supportive community. Features include barcode scanning, image recognition, and integration with health apps. Premium options offer personalized meal plans and advanced tracking.

Food diary with extensive databaseBarcode scanner and image recognitionExercise tracking and calorie burn log
💪 Health & Fitness
(14K)
freemium
13
Cronometer: Calorie Counter
Cronometer: Calorie Counter
Cronometer: Calorie Counter
Nutrition, macro, diet tracker
Free

Track your diet and exercise with an extensive food database and detailed nutrient breakdowns. Monitor progress towards health goals, integrate with fitness devices, and gain insights into sleep patterns. Offers premium features for enhanced tracking and an ad-free experience.

Extensive verified food databaseDetailed nutrient and calorie trackingFitness goal setting and progress monitoring
💪 Health & Fitness
(93K)
free with in-app purchases
14
Fitia: Calorie Counter & Diet
Fitia: Calorie Counter & Diet
Fitia: Calorie Counter & Diet
Meal Plans for Weight Loss
Free

This app offers a fast and accurate way to track your calorie intake and nutrition. It provides personalized meal plans for weight loss or muscle gain, an AI coach for guidance, and tools for tracking progress, intermittent fasting, and creating shopping lists.

Fastest calorie counterTrack calories by photo, voice, or typingPersonalized meal plans
💪 Health & Fitness
(16K)
free with in-app purchases
15
Calo: AI Food Calorie Counter
Calo: AI Food Calorie Counter
Calo: AI Food Calorie Counter
Macros, fitness & diététique
Free

This app helps you achieve your health and weight goals through personalized calorie and macro tracking. It features AI-powered food logging, barcode scanning, and custom meal plans with recipes.

AI-powered food loggingCalorie and macro trackingBarcode scanner
💪 Health & Fitness
(17K)
subscription
16
Welmi - Calorie Counter & Diet
Welmi - Calorie Counter & Diet
Welmi - Calorie Counter & Diet
Weight Loss Food Tracker
Free

This app helps you achieve weight goals by forming conscious food habits and adjusting nutrition. It acts as a personal nutritionist, guiding you toward your dream shape and healthy eating through meal snapping and personalized recommendations.

Food & calorie scannerPersonalized nutrition recommendationsEating reminders
💪 Health & Fitness
(15K)
free with in-app purchases
17
FitHub - AI Calorie Tracker
FitHub - AI Calorie Tracker
FitHub - AI Calorie Tracker
My Macro & Calorie Calculator
Free

This app uses AI to simplify nutrition tracking, offering instant calorie and macro estimates from food photos. It provides detailed nutritional insights, daily calorie monitoring, and weight tracking to help users achieve their fitness goals.

AI-powered food photo calorie estimationDetailed macro and nutritional trackingAI calorie calculator
💪 Health & Fitness
(18K)
free with in-app purchases
18
Healthify: AI Calorie Tracker
Healthify: AI Calorie Tracker
Healthify: AI Calorie Tracker
Weight loss, diet, fitness app
Free

This app simplifies your health journey with AI-powered tools for weight loss, nutrition, and fitness. Track calories by photo or voice, log meals, and receive personalized AI insights and coaching. Monitor water intake, sleep, weight, and workouts for data-driven decisions.

AI calorie tracking with photosVoice-based meal loggingPersonalized AI insights and actionables
💪 Health & Fitness
(6K)
free with in-app purchases
19
BodyFast: Intermittent Fasting
BodyFast: Intermittent Fasting
BodyFast: Intermittent Fasting
Weight Loss Diet, Meal Tracker
Free

This app guides users through intermittent fasting to achieve weight loss, improve health, and boost energy. It offers personalized plans, daily coaching, recipes, and tools like a water tracker and weight log. Users can choose from various fasting plans and track their progress towards their health goals.

Personalized fasting plansDaily coaching and motivation100+ recipes for fasting success
💪 Health & Fitness
(144K)
free with in-app purchases
20
Arise: AI Food Calorie Counter
Arise: AI Food Calorie Counter
Arise: AI Food Calorie Counter
Diet Manager & Protein Tracker
Free

This app helps you log food, monitor calorie intake, and track daily nutrition. It offers practical tools for convenient food logging, clear data visualization, and organized food diaries. Features include step tracking, Apple Health integration, and recipe creation.

Calorie trackingFood loggingMacronutrient tracking
💪 Health & Fitness
(3.2K)
freemium