Best Calorie Deficit Diet App

250+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated August 2026

If you already know Formula - weight loss diet app, this is the deeper bench. 250+ calorie deficit diet app for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.

Compare top Calorie Deficit Diet App (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Formula - weight loss diet appFormula - weight loss diet appFree4.5★ (33K)NoYesAug 2026
2MyFitnessPal: Calorie CounterMyFitnessPal: Calorie CounterFree4.7★ (2.4M)YesYesAug 2026
3Calorie Deficit CalculatorCalorie Deficit CalculatorFree4.7★ (3.7K)NoYesAug 2026
4Deficit: Calorie CounterDeficit: Calorie CounterFree5.0★ (4)NoNoAug 2026
5Lose It! – Calorie CounterLose It! – Calorie CounterFree4.8★ (774K)YesYesAug 2026
6FlexiFact: Calorie Deficit AppFlexiFact: Calorie Deficit AppFreeYesYesMay 2026
7Easy Diet AI: Calorie DeficitEasy Diet AI: Calorie DeficitFreeNoYesAug 2026
8Cali: Beyond a Calorie CounterCali: Beyond a Calorie CounterFreeNoYesAug 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😐(33K ratings)
FreeIn-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.

Workout & AI Nutrition Tracker
Strong Contender
💪 Health & Fitness
4.7😐(2.4M 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 Diet App apps to explore

4
Deficit: Calorie Counter
Deficit: Calorie Counter
Deficit: Calorie Counter
Calorie Deficit Tracker
Free

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.

Personalized daily calorie targetMacro trackingFast meal logging
💪 Health & Fitness
(4)
free
5
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
(774K)
free with in-app purchases
6
FlexiFact: Calorie Deficit App
FlexiFact: Calorie Deficit App
FlexiFact: Calorie Deficit App
Find recipes for fat loss
Free

Easily create personalized meal plans based on your preferred foods. This app helps you achieve fat loss goals by generating customized recipes tailored to your choices. It offers various subscription options for enhanced features.

Customized meal plan generationUser-selected food choicesFat loss recipe suggestions
💪 Health & Fitness
(0)
free with in-app purchases
7
Easy Diet AI: Calorie Deficit
Easy Diet AI: Calorie Deficit
Easy Diet AI: Calorie Deficit
Meal Plan, BMI Calculator
Free
🌟 Lifestyle
(0)
8
Cali: Beyond a Calorie Counter
Cali: Beyond a Calorie Counter
Cali: Beyond a Calorie Counter
AI Coach, Macro Tracker, Magic
Free
💪 Health & Fitness
(0)
9
Ignyx - Calorie Deficit
Ignyx - Calorie Deficit
Ignyx - Calorie Deficit
Daily deficit & weight log
Free
💪 Health & Fitness
(0)
10
The Deficit
The Deficit
The Deficit
Track your Calorie Deficit.
Free
💪 Health & Fitness
(0)
11
Kcalz: AI Calorie Counter
Kcalz: AI Calorie Counter
Kcalz: AI Calorie Counter
Scan food, track & lose weight
Free
$4.99 | 100% OFF

Effortlessly track your food intake and weight loss goals with AI-powered meal scanning. Simply point your camera at your plate for instant calorie and macro breakdowns. This app simplifies the logging process, making it easier to stay on track with personalized plans and helpful reminders.

AI meal scanning for instant macro analysisDaily calorie and macro tracking with progress ringsWater intake tracking with smart reminders
💪 Health & Fitness
(0)
freemium
12
Gymshow: Calorie & Workout
Gymshow: Calorie & Workout
Gymshow: Calorie & Workout
Track calorie, diet & workouts
Free
💪 Health & Fitness
(0)
13
Calorie Calculator & Diet Plan
Calorie Calculator & Diet Plan
Calorie Calculator & Diet Plan
Monitor calories, any time
Free
💪 Health & Fitness
(0)
14
Calory – Calorie Tracker AI
Calory – Calorie Tracker AI
Calory – Calorie Tracker AI
Food Scanner & Macro Tracker
Free
💪 Health & Fitness
(0)
15
BMR & Deficit
BMR & Deficit
BMR & Deficit
Calculate your daily calorie
Free
💪 Health & Fitness
(0)
16
Talk2Fit: AI Calorie Tracker
Talk2Fit: AI Calorie Tracker
Talk2Fit: AI Calorie Tracker
Voice & Photo Macro Counter
Free
💪 Health & Fitness
(0)
17
SnapCal AI - Calorie Counter
SnapCal AI - Calorie Counter
SnapCal AI - Calorie Counter
by 嘉露 姚
Free
🍔 Food & Drink
(0)
18
Calorie Counter - AI Scanner
Calorie Counter - AI Scanner
Calorie Counter - AI Scanner
Counting Food for Weight Loss
Free
🔧 Utilities
(0)
19
CalorieSnap™: Calorie Balance
CalorieSnap™: Calorie Balance
CalorieSnap™: Calorie Balance
Photo food log & macro tracker
Free
💪 Health & Fitness
(0)
20
Caloriz - Calorie tracker
Caloriz - Calorie tracker
Caloriz - Calorie tracker
Eat Better, Simply
Free
💪 Health & Fitness
(0)

FAQ about Calorie Deficit Diet App

What is the best calorie deficit diet app for iPhone?
Formula - weight loss diet app tops our calorie deficit diet app ranking as of August 2026, with a 4.5-star average from 33K App Store ratings, and it's free to download.
Yes — 20 of the top calorie deficit diet app we rank are free to download, including Formula - weight loss diet app and MyFitnessPal: Calorie Counter.
Formula - weight loss diet app has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 250+ calorie deficit diet app on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
This app serves as a guide and nutrition tracker for specialized diets including Carnivore, Mediterranean, Anti-Inflammatory, and Cortisol Detox. It provides recipes, diet tips, and expert guidance to help users achieve their health and fitness goals.
Key features include an automatic nutrient calculator for macros, a food journal with voice recognition and barcode scanning, a nutrition tracker for essential nutrients, an extensive recipe library, a grocery list generator, expert coach support, and integration with Apple Health for tracking water intake, steps, sleep, and weight loss.