Best Calorie Deficit Formula Apps

250+ iOS apps curated and reviewed

3.7 avg rating
19 free apps
Updated October 2026

Out of 250+ 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.

Compare top Calorie Deficit Formula Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Formula - weight loss diet appFormula - weight loss diet appFree4.5★ (35K)NoYesOct 2026
2MyFitnessPal: Calorie CounterMyFitnessPal: Calorie CounterFree4.7★ (2.4M)YesYesOct 2026
3Calorie Deficit CalculatorCalorie Deficit CalculatorFree4.7★ (3.7K)NoYesOct 2026
4DEFICIT: Flexible Weight LossDEFICIT: Flexible Weight LossFree1.0★ (1)NoYesMay 2026
5Deficit: Calorie CounterDeficit: Calorie CounterFree5.0★ (4)NoNoSep 2026
6DEFICITDEFICITFree—NoYesAug 2026
7Calorie Counter by NumifyCalorie Counter by NumifyFree4.7★ (42K)NoYesOct 2026
8Calorie Calculator – TDEE, BMICalorie Calculator – TDEE, BMIFree5.0★ (2)NoNoSep 2026

Top Picks for Calorie Deficit Formula

4.5😐(35K 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
  • 👍 Customized plans
  • 🤖 Automated logging and calculations

Room to Improve

  • 🐛 Buggy and glitchy
  • 💰 Overpriced
  • 🤔 Lack of personalization
  • 🔍 Limited food database
  • 📉 Ineffective for weight loss
  • 🔒 Difficult to cancel subscription
MyFitnessPal: Calorie Counter#2

MyFitnessPal: Calorie Counter by MyFitnessPal, Inc.

AI Coach & 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
  • 🔒 Privacy concerns with data sharing
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
  • 🚀 Comprehensive food database
  • 👍 Tracks water intake and exercise

Room to Improve

  • 🐛 Bugs and glitches with the app
  • 🔍 Limited food options, especially for cultural dishes
  • 🔍 Inaccurate macro calculations
  • 🔍 Difficult to add custom portions and recipes
  • 🔍 Overlapping UI elements on newer iPhones
  • 🔒 Too many features locked behind paywall

More Calorie Deficit Formula apps to explore

FAQ about Calorie Deficit Formula

What are the best calorie deficit formula apps for iPhone?
Formula - weight loss diet app tops our calorie deficit formula apps ranking as of October 2026, with a 4.5-star average from 35K App Store ratings, and it's free to download.
Yes — 19 of the top calorie deficit formula apps 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 October 2026.
We track 250+ calorie deficit formula apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.

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