Best Calorie Deficit Formula Apps

239+ iOS apps curated and reviewed

4.7 avg rating
19 free apps
Updated July 2026

Out of 239+ calorie deficit formula apps on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Top Picks for Calorie Deficit Formula

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
Calorie Deficit Calculator#3

Calorie Deficit Calculator by Starry Web Ltd

Oatsy Macro Tracker Diet Coach
Worth Considering
💪 Health & Fitness
4.7😐(3.7K ratings)
FreeIn-App Purchases
Calorie Deficit Calculator screenshot 1
Calorie Deficit Calculator screenshot 2
Calorie Deficit Calculator screenshot 3
Calorie Deficit Calculator screenshot 4
Calorie Deficit Calculator screenshot 5
Calorie Deficit Calculator screenshot 6

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.

What We Love

  • 🚀 Simple and easy to use
  • 👍 Helpful for tracking calories and macros
  • 🚀 Efficient barcode scanning
  • 👍 Integrates with Apple Health

Room to Improve

  • 🐛 Bugs and glitches with the app
  • 🔍 Limited food options, especially for cultural dishes
  • 🔍 Inaccurate macro calculations

More Calorie Deficit Formula apps to explore

4
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
5
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
6
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
7
Lose It! – Calorie Counter
Lose It! – Calorie Counter
Lose It! – Calorie Counter
Food Tracker for Weight Loss
Free

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.

Calorie trackingWeight loss planningAI voice meal logging
💪 Health & Fitness
(763K)
free with in-app purchases
8
MacroFactor - Macro Tracker
MacroFactor - Macro Tracker
MacroFactor - Macro Tracker
Calorie, Nutrition, Food, Diet
Free

This app uses a dynamic algorithm to adapt your calorie and macro targets based on your metabolism and progress. It offers tools for quick food logging, a verified database, and personalized coaching to help you achieve sustainable diet goals without stress or rigidity.

Dynamic metabolism adaptationPersonalized macro and calorie targetsVerified food database
💪 Health & Fitness
(19K)
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
Pro Cal - AI Calorie counter
Pro Cal - AI Calorie counter
Pro Cal - AI Calorie counter
AI Calorie & Food Tracker
Free

Easily track your calorie intake and monitor your nutrition with an AI-powered food diary. This app offers accurate calorie counting, nutrient tracking, and personalized diet plans. Visualize your progress with colorful charts and reports to support your health goals.

AI food recognition via photoAccurate calorie countingNutrient tracking (carbs, protein, etc.)
💪 Health & Fitness
(12K)
free with in-app purchases
11
Foodvisor - AI Calorie Counter
Foodvisor - AI Calorie Counter
Foodvisor - AI Calorie Counter
Diet Tracker for Weight Loss
Free

This app acts as your personal nutritionist, offering a personalized nutrition plan and helping you track your daily intake. It features an AI-powered camera for instant food recognition, tailored recipes, and progress monitoring to help you achieve your health and wellness goals.

AI Calorie Tracker with Instant Food Recognition CameraPersonalized Nutrition Plans by ExpertsTailored Recipes for Healthy Eating
💪 Health & Fitness
(16K)
freemium
12
DietAI: Calorie Counter & Diet
DietAI: Calorie Counter & Diet
DietAI: Calorie Counter & Diet
Weight Loss & Food Tracker
Free

This app uses AI to help you track your calorie and nutrient intake by simply taking photos of your meals. It provides personalized fitness plans and nutritional breakdowns to support your weight loss or muscle gain goals.

AI Calorie Counter with photo analysisCustomized fitness and weight loss plansDetailed nutritional information (macros)
💪 Health & Fitness
(14K)
free with in-app purchases
13
Calorie Counter +
Calorie Counter +
Calorie Counter +
by Nutracheck. Food tracker
Free

Easily track your food intake, macros, and exercise to achieve your health goals, whether it's weight loss or building healthy habits. Utilize a verified food database, barcode scanner, and recipe builder for accurate logging. Sync with fitness devices for comprehensive tracking.

Calorie and nutrient trackingVerified food databaseBarcode scanner
💪 Health & Fitness
(26K)
freemium
14
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
15
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
16
Calorie Counter PRO MyNetDiary
Calorie Counter PRO MyNetDiary
Calorie Counter PRO MyNetDiary
Food Nutrition Fasting Tracker
$3.99

Easily track calories, food intake, and macronutrients with a powerful barcode scanner and AI meal logging. Offers personalized diet plans and detailed nutrition breakdowns to help users achieve their health goals.

Barcode scanner for fast loggingAI Meal Scan for instant food entryPersonalized diet and meal plans
💪 Health & Fitness
(14K)
freemium
17
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
18
MacrosFirst - Macro Tracker
MacrosFirst - Macro Tracker
MacrosFirst - Macro Tracker
Food Macros Calorie Counter
Free

This app helps users track their food intake, calories, and macronutrients to achieve health and fitness goals. It offers features like custom goal setting, automatic serving size calculation, and quick food logging via barcode scanning or label analysis. Users can also monitor progress, share meals, and even convert alcohol calories into macro equivalents.

Custom macro goal settingAutomatic serving size calculationBarcode and label scanning for food logging
💪 Health & Fitness
(19K)
freemium
19
Eato®: Calorie Tracker
Eato®: Calorie Tracker
Eato®: Calorie Tracker
Food, Macro, Nutrition Counter
Free

This app helps you manage your weight and health through calorie tracking, meal planning, and activity monitoring. It offers personalized plans, recipe suggestions, and progress tracking to support your wellness journey.

Calorie CounterBarcode ScanningAI Image Recognition
💪 Health & Fitness
(23K)
subscription
20
CaloCare: AI Calorie Counter
CaloCare: AI Calorie Counter
CaloCare: AI Calorie Counter
Régime sain, perte de poids
Free

This app helps you track your calorie and food intake with features like barcode scanning and AI image recognition. It also offers personalized meal plans, healthy recipes, and a professional weight tracker to support your weight loss or gain journey and build healthy habits.

Calorie tracking with barcode scanning and AIPersonalized meal plansWeight loss and gain tracker
💪 Health & Fitness
(3.7K)
subscription

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