Best Oatsy Apps

149+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated September 2026

Whether you're new to oatsy or looking for an upgrade, our curated collection of 149+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Oatsy Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Calorie Deficit CalculatorCalorie Deficit CalculatorFree4.7★ (3.7K)NoYesSep 2026
2Lose It! – Calorie CounterLose It! – Calorie CounterFree4.8★ (777K)YesYesSep 2026
3MyFitnessPal: Calorie CounterMyFitnessPal: Calorie CounterFree4.7★ (2.4M)YesYesSep 2026
4Oats OvernightOats OvernightFree3.8★ (17)NoNoSep 2026
5Oatmeal CalcOatmeal CalcFreeNoYesMay 2026
6Calorie Deficit Calc & CounterCalorie Deficit Calc & CounterFree1.0★ (1)NoYesSep 2026
7GRØDGRØDFreeYesNoMay 2026
8OatStock: Oat Pouch TrackerOatStock: Oat Pouch TrackerFreeNoNoJul 2026

Top Picks for Oatsy

Calorie Deficit Calculator#1

Calorie Deficit Calculator by Starry Web Ltd

Oatsy Macro Tracker Diet Coach
Editor's Choice
💪 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
Lose It! – Calorie Counter#2

Lose It! – Calorie Counter by FitNow

Food Tracker for Weight Loss
Strong Contender
💪 Health & Fitness
4.8😊(777K ratings)
FreeAdsIn-App Purchases
#22in 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
Lose It! – Calorie Counter screenshot 6

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
  • 👍 Customizable goals and tracking
  • 👍 Motivating progress tracking

Room to Improve

  • 🐛 Inaccurate calorie/nutrition data
  • 💰 Paywall for basic features
  • 📢 Intrusive ads and upselling
  • 🐛 Buggy performance issues
  • 🔒 Privacy concerns with data sharing
MyFitnessPal: Calorie Counter#3

MyFitnessPal: Calorie Counter by MyFitnessPal, Inc.

Workout & AI Nutrition Tracker
Worth Considering
💪 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

More Oatsy apps to explore

FAQ about Oatsy

What are the best oatsy apps for iPhone?
Calorie Deficit Calculator tops our oatsy apps ranking as of September 2026, with a 4.7-star average from 3.7K App Store ratings, and it's free to download.
Yes — 20 of the top oatsy apps we rank are free to download, including Calorie Deficit Calculator and Lose It! – Calorie Counter.
Calorie Deficit Calculator has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 149+ oatsy apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app helps users achieve their health and nutrition goals, such as weight loss or healthy eating. It allows for easy logging of food, water, and exercise, providing detailed nutrition analysis and personalized diet plans.
Key features include an advanced food diary with a large nutrition database, calorie and macro/micronutrient tracking, customizable diet plans, AI-powered food scanning, barcode scanning, exercise tracking, a healthy recipe database, and a water intake tracker.