Best Keto Calculator Free Macro Apps

227+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated May 2026

Out of 227+ keto calculator free macro apps on iOS, 20 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 Keto Calculator Free Macro

Keto Calculator - Keto Buddy#1

Keto Calculator - Keto Buddy by Compumaster Ltd

Keto/low carb macro calculator
Editor's Choice
💪 Health & Fitness
4.6😐(8.4K ratings)
Free
Keto Calculator - Keto Buddy screenshot 1
Keto Calculator - Keto Buddy screenshot 2
Keto Calculator - Keto Buddy screenshot 3
Keto Calculator - Keto Buddy screenshot 4
Keto Calculator - Keto Buddy screenshot 5

This application is a Keto/low carb macro calculator that helps users determine their ideal food intake for ketogenic and low-carb diets. It is free to use with no subscriptions, ads, sign-ups, or compromises on user privacy. Users can leave reviews to support the app.

What We Love

  • 👍 Good so far
  • 👍 Convenient and easy to use
  • 👍 Helpful resource
  • 👍 Precise and informative

Room to Improve

  • 🤔 Confusing interface
  • 🤔 Lacks functionality
  • 💰 Expensive
Stupid Simple Keto Diet App#2

Stupid Simple Keto Diet App by Venn Interactive, Inc.

Low Carb Diet & Macros Manager
Strong Contender
💪 Health & Fitness
4.6😊(8.9K ratings)
FreeAdsIn-App Purchases
Stupid Simple Keto Diet App screenshot 1
Stupid Simple Keto Diet App screenshot 2
Stupid Simple Keto Diet App screenshot 3
Stupid Simple Keto Diet App screenshot 4
Stupid Simple Keto Diet App screenshot 5

This keto diet app offers a user-friendly interface for tracking low-carb meals, creating shopping lists, and accessing recipes. It simplifies the process of following a ketogenic diet for better health and weight management. Start your keto journey today!

What We Love

  • 🚀 Stupid simple to use
  • 👍 Easy to track macros
  • 👍 Helpful for keto diet
  • 👍 Customizable

Room to Improve

  • 🐛 Sync and login issues
  • 🐛 Inaccurate food data
  • 🐛 Confusing navigation
Keto Diet App: Keto Manager#3

Keto Diet App: Keto Manager by Anish Modan

Carb Cycle & Macro Tracker App
Worth Considering
💪 Health & Fitness
4.7😊(9.4K ratings)
FreeAdsIn-App Purchases
Keto Diet App: Keto Manager screenshot 1
Keto Diet App: Keto Manager screenshot 2
Keto Diet App: Keto Manager screenshot 3
Keto Diet App: Keto Manager screenshot 4
Keto Diet App: Keto Manager screenshot 5
Keto Diet App: Keto Manager screenshot 6

Track your daily carb intake, plan meals for the ketogenic diet, and monitor your progress towards your weight goals with this comprehensive carb diet app. Stay on track and achieve your health objectives easily.

What We Love

  • 👍 User-friendly interface
  • 🚀 Easy to track macros and calories
  • 💡 Helpful keto diet information and recipes
  • 🔍 Extensive food database with barcode scanning

Room to Improve

  • 🐛 Glitches and bugs causing data loss
  • 🤔 Difficulty adding custom foods and recipes
  • 💸 Subscription required for full functionality

More Keto Calculator Free Macro apps to explore

4
Keto diet app-Low carb manager
Keto diet app-Low carb manager
Keto diet app-Low carb manager
Macros tracker & counter
Free

Track your daily macronutrients intake and plan meals with the Keto diet app. Stay on top of your low-carb diet goals effortlessly.

💪 Health & Fitness
(62K)
5
Carb Manager: Keto & Macro Log
Carb Manager: Keto & Macro Log
Carb Manager: Keto & Macro Log
Macro, Food & Calorie Counter
Free

Track your daily macronutrients and food intake with precision using this app, designed to help you achieve your keto diet goals effortlessly. Enhance your health journey today!

💪 Health & Fitness
(73K)
6
Keto Diet App - Carb Tracker
Keto Diet App - Carb Tracker
Keto Diet App - Carb Tracker
Weight Loss, Meal Plan, Recipe
Free

Experience personalized weight loss support with a comprehensive keto diet app. Track macros effortlessly, access hundreds of recipes, and get expert guidance in reaching your goals quickly and efficiently. Start your journey towards better health today!

💪 Health & Fitness
(81K)
7
Macro Tracker - Keto Diet App
Macro Tracker - Keto Diet App
Macro Tracker - Keto Diet App
Simple Low Carb Health Manager
Free

A user-friendly macro tracking app for ketogenic or low carb diets that allows you to easily input custom foods and adjust serving sizes for accurate nutritional information. Simplify your diet management and reach your health goals effortlessly.

💪 Health & Fitness
(1.8K)
8
MacrosFirst - Macro Tracker
MacrosFirst - Macro Tracker
MacrosFirst - Macro Tracker
Food Macros Calorie Counter
Free

Track your daily macronutrient intake easily with this user-friendly app. Take control of your diet by accurately monitoring your protein, fat, and carb consumption. Download now and start achieving your health goals today!

💪 Health & Fitness
(17K)
9
Kalorien Zähler: Cronometer
Kalorien Zähler: Cronometer
Kalorien Zähler: Cronometer
Nutrition, macro, diet tracker
Free

Track your daily food intake and nutritional information with precision using this advanced calorie counter app. Set personal goals, monitor macros, and track your diet to maintain a healthy lifestyle. Download now for accurate and comprehensive food tracking.

💪 Health & Fitness
(1.3K)
10
MyNetDiary Carb Genius - Keto
MyNetDiary Carb Genius - Keto
MyNetDiary Carb Genius - Keto
Low Carb Food & Diet Manager
Free

Manage and track your low-carb meals and recipes with this innovative app that helps you stay in ketosis. Reach your health goals easily by monitoring your carb intake and discovering delicious low-carb recipes. Start your journey to a healthier you today!

💪 Health & Fitness
(5K)
11
Smart - Food Score Calculator
Smart - Food Score Calculator
Smart - Food Score Calculator
Weight & Diet Macro Watchers
Free

Discover how easily you can track your daily food intake and make healthier choices with our Smart Food Score Calculator! Input your meals and receive instant feedback on their nutritional value. Make informed decisions about your diet and work towards your health goals effortlessly.

🍔 Food & Drink
(2.4K)
12
My Macros+ | Macro Tracker
My Macros+ | Macro Tracker
My Macros+ | Macro Tracker
Calorie, Carb & Diet Tracker
Free
$2.99 | 100% OFF

Track your daily macros with ease using this intuitive app that helps you monitor your nutritional intake. Stay on top of your diet goals with personalized tracking and detailed insights. Download now and take charge of your health!

💪 Health & Fitness
(33K)
13
Lean: AI Macro Tracker
Lean: AI Macro Tracker
Lean: AI Macro Tracker
Track calories & meals & food
Free

The Lean App is an AI-powered nutrition tracker that simplifies calorie counting, macro tracking, and food logging. It uses advanced AI to instantly recognize your food, calculate calories, and provide personalized meal plans, making it easy to achieve your health and fitness goals, whether you're looking to lose weight, gain muscle, or maintain a balanced diet.

💪 Health & Fitness
(659)
14
Keto-Recipes
Keto-Recipes
Keto-Recipes
Simple Keto Diet Tracker App
Free

A user-friendly Keto Diet Tracker App that simplifies meal selection and fat intake tracking. Say goodbye to manual barcode scanning and micro tracking with this efficient tool, designed to keep you motivated on your keto journey. Swipe to your favorite meals and let Keto-Recipes handle the rest for faster weight loss results. Start your Keto journey today!

🍔 Food & Drink
(191)
15
MacroFactor - Macro Tracker
MacroFactor - Macro Tracker
MacroFactor - Macro Tracker
Calorie, Nutrition, Food, Diet
Free

Track your calories, macros, and nutrition easily with a personalized macro plan that adapts to your metabolism. Get detailed insights, barcode scanning, and a verified food database to help you reach your diet goals stress-free. Start your 7-day trial now for a premium, ad-free experience.

💪 Health & Fitness
(69)
16
Lose It! – Calorie Counter
Lose It! – Calorie Counter
Lose It! – Calorie Counter
Food Tracker for Weight Loss
Free

This application is a powerful tool for weight loss, offering calorie counting, nutrition tracking, and intermittent fasting features to help users reach their goals. With a comprehensive food library, barcode scanner, and other useful tools, it's a convenient way to achieve a healthier lifestyle and track progress. Start your weight loss journey now!

💪 Health & Fitness
(757K)
17
Keto Diet app. Carb counter
Keto Diet app. Carb counter
Keto Diet app. Carb counter
Net Carb Manager, Keto recipes
Free

Discover a personalized keto nutritionist with our app - track your diet, water balance, and exercise easily. Use the barcode scanner to monitor nutrients, create recipes, and explore recommended foods to meet your daily goals. Start your keto journey today!

💪 Health & Fitness
(313)
18
Calorie Counter - MyNetDiary
Calorie Counter - MyNetDiary
Calorie Counter - MyNetDiary
Food Nutrition Macro Tracker
Free

Looking for a sleek and smart calorie counter with a free barcode scanner and food tracker? MyNetDiary is the ultimate personal assistant for weight loss, dieting, and nutrition. Users love its intuitive design and effectiveness in reaching fitness goals. Try it out today!

💪 Health & Fitness
(150K)
19
Keto Cycle: Keto Diet App
Keto Cycle: Keto Diet App
Keto Cycle: Keto Diet App
Low Carb Meal Plans & Tracker
Free

Get personalized low-carb meal plans and recipes tailored to your specific dietary needs with our Keto Diet App. Achieve your health goals and track your progress easily. Start your healthy journey today!

💪 Health & Fitness
(5.6K)
20
Eato®: Calorie Tracker
Eato®: Calorie Tracker
Eato®: Calorie Tracker
Food, Macro, Nutrition Counter
Free

Track your weight loss journey with a user-friendly calorie counter and meal planner app that offers tailored plans, recipe recommendations, and step tracking to help you reach your health goals effectively. Start your wellness journey with Eato® now!

💪 Health & Fitness
(23K)