Calorie Deficit Calculator
Starry Web Ltd Health & Fitness iPhoneiPadiPod touch
Calorie Deficit Calculator is a free Health & Fitness app for iPhone and iPad by Starry Web Ltd. Rated 4.7/5 from 3,975 ratings. Requires iOS 15.6.
- Rating
- 4.7
- 3.9K ratings
- Price
- Free
- on the App Store
- Size
- 114 MB
- Age 4+
- Updated
- Oct 19
- 2026 · v2.16
Screenshots
About Calorie Deficit Calculator
If you want to lose weight, achieve nutrition goals, or simply eat healthily, Oatsy is the app for you! Oatsy lets you track nutrition quicker and easier than ever before. Log food, water, and exercise with ease, and use Oatsy to become your healthiest self! Count calories, track macro & micronutrients, follow diet plans, discover healthy recipes and get daily life score recommendations. Oatsy can help you reach your goals in your way. REACH YOUR GOALS • Advanced food diary - Easily record the food you eat throughout the day with the largest verified nutrition database in the world. • Set goals - Enter a weight loss or weight gain goal and we'll suggest a game plan for your calorie budget. Eat smarter and achieve a calorie deficit. • Custom diet plans - Select the diet plan that fits your personal goals. Choose from Balanced Dieting, Intermittent Fasting, 5:2 Fasting, and Keto Burn / Keto diet. Manage carbs, protein, and fat. • Barcode scanner - Use our scanner to instantly log foods with a barcode. • Helpful graph charts - Check out your day-by-day weight, calorie intake, and exercise journal, to stay on track with your goals. • FitScore life score - Helps you understand your health activity and track your BMI. Remind you if you're low on carbs or need more exercise. • Apple health integration - Sync your steps counting data directly with Apple health. TRACK NUTRITION • Full nutrition macro tracker & calorie counter - Detailed daily nutrition analysis. Count calories and see full details of the foods you ate - from Calories, Carbs, Fat, Protein to Dietary Fiber, Sugars, Saturated / Unsaturated fat, Sodium, Cholesterol, and Potassium. • Artificial Intelligence Food Auto-Scanner - Simply take a picture of your meal and let Oatsy's revolutionary scanner detect and track the food. • Custom food - Efficiently track daily calorie intake by creating your custom dishes and recipes. • Food ranking - Check out foods that help you achieve your goals or accommodate food restrictions, such as weight loss, bodybuilding, digestion, diabetes, high blood pressure, and detox. • Healthy recipes - Instantly copy popular recipes to your custom food list, or share your favorite recipe with the world! Log in healthy portions, and know all the macro breakdown. The ultimate eating guide with vegan recipes included! • Color-Coded rating system - Show foods that you should eat more or eat less. • Restaurant Foods Menu - Add food items from popular restaurants so you don't have to worry about nutrition accuracy. Accurate calorie calculator from a variety of sources. • Daily nutrition summary - The only calorie counter that shows you all the micro & macronutrients for free. Stop paying to count calories! • Water Tracker - Stay hydrated and stay healthy. Track water intake with an easy tap. TRACK EXERCISE • Track fitness activities - Select from a variety of activities and workouts to log your exercise. Lose weight and stay healthy. • Custom exercises - Don't see your activity on the list? Create a custom exercise to add to your log. • Count steps - Integrated with Apple Health to automatically count your steps from FitBit and other fitness trackers. ENGAGE WITH THE COMMUNITY • Follow your friends' calorie-counting journeys. Keep up to date with the latest news in nutrition. Learn from nutritionists. • Share exercise pics, weight progress, healthy recipes, workout videos, and more. Don't just eat it, track it! Download the Oatsy calorie counter free today and get started with your healthy diet!
Ratings & reviews
4.7
3.9K ratings
What’s new
Version 2.16 · Updated October 19, 2026
UI improvements
App privacy
The developer, Starry Web Ltd, reported these privacy practices to Apple.
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Contact Info: Email Address, Name
- Health & Fitness: Health, Fitness
- User Content: Photos or Videos
- Diagnostics: Crash Data
Used for: Product Personalization, App Functionality
Alternatives to Calorie Deficit Calculator
Looking for apps like Calorie Deficit Calculator? Here are 6 similar apps on the App Store. The highest rated is EatCute: #1 AI Calorie Tracker (4.8/5), and all 6 are free to download.
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Calorie Counter - Calory AI
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EatCute: #1 AI Calorie Tracker
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My Diet Coach - Weight Loss
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calorie.ai - Calorie Tracker
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Litely-Food Tracker & Wellness
4.7
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Calorie Counter - EasyFit
4.4
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Calorie Deficit Calculator | 4.7 / 5 (3,975 ratings) | Free | October 19, 2026 | |
| Calorie Counter - Calory AI | 4.6 / 5 (8,133) | Free | Nov 6, 2026 | Compare |
| EatCute: #1 AI Calorie Tracker | 4.8 / 5 (690) | Free | Jul 17, 2026 | Compare |
| My Diet Coach - Weight Loss | 4.6 / 5 (24,603) | Free | Jan 16, 2024 | Compare |
| calorie.ai - Calorie Tracker | 4.7 / 5 (7,906) | Free | May 26, 2026 | Compare |
| Litely-Food Tracker & Wellness | 4.7 / 5 (5,328) | Free | Aug 12, 2026 | Compare |
| Calorie Counter - EasyFit | 4.4 / 5 (1,600) | Free | Sep 18, 2026 | Compare |