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Best Protein Calculator Diet Apps

230+ iOS apps curated and reviewed

4.7 avg rating
19 free apps
Updated May 2026

Every iPhone needs a few good protein calculator diet apps. We benchmark 230+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Top Picks for Protein Calculator Diet

Protein Tracker: Protein Pal#1

Protein Tracker: Protein Pal by Ten Labs Ltd

Calorie Counter & AI Scanner
Editor's Choice
💪 Health & Fitness
4.7😊(9.4K ratings)
FreeIn-App Purchases
Protein Tracker: Protein Pal screenshot 1
Protein Tracker: Protein Pal screenshot 2
Protein Tracker: Protein Pal screenshot 3
Protein Tracker: Protein Pal screenshot 4
Protein Tracker: Protein Pal screenshot 5
Protein Tracker: Protein Pal screenshot 6

Easily monitor your daily protein consumption to reach your fitness objectives. Log your intake, view historical data, and analyze your progress with detailed statistics. The pro version unlocks advanced features like barcode scanning and calorie tracking.

What We Love

  • 👍 Easy to use
  • 🚀 Simplicity and focus on core functionality
  • 💡 Useful for beginners and those focused on protein intake
  • 🚀 Convenient for tracking protein daily

Room to Improve

  • 💰 Subscription-based model
  • 🔍 Limited food database without subscription
  • 🔍 Inaccurate food entries
Protein Calculator & Recipes#2

Protein Calculator & Recipes by Sabrina Holzer

Muscle gain & weight loss
Strong Contender
💪 Health & Fitness
0.0(0 ratings)
FreeAds
Protein Calculator & Recipes screenshot 1
Protein Calculator & Recipes screenshot 2
Protein Calculator & Recipes screenshot 3
Protein Calculator & Recipes screenshot 4
Protein Calculator & Recipes screenshot 5
Protein Calculator & Recipes screenshot 6

Calculate your ideal daily protein intake for muscle gain, weight loss, or general fitness. Access science-based knowledge about protein and explore a collection of protein-rich food options to support your health goals.

Welmi - Calorie Counter & Diet#3

Welmi - Calorie Counter & Diet by T-SHAPED APPS LTD

Weight Loss Food Tracker
Worth Considering
💪 Health & Fitness
4.8😐(15K ratings)
FreeAdsIn-App Purchases
Welmi - Calorie Counter & Diet screenshot 1
Welmi - Calorie Counter & Diet screenshot 2
Welmi - Calorie Counter & Diet screenshot 3
Welmi - Calorie Counter & Diet screenshot 4
Welmi - Calorie Counter & Diet screenshot 5
Welmi - Calorie Counter & Diet screenshot 6

This app helps you achieve weight goals by forming conscious food habits and adjusting nutrition. It acts as a personal nutritionist, guiding you toward your dream shape and healthy eating through meal snapping and personalized recommendations.

What We Love

  • 👍 Helpful for beginners
  • 🚀 Fast image recognition
  • 💡 Convenient calorie tracking

Room to Improve

  • 🐛 Inconsistent settings
  • 🔍 Limited food database
  • 💰 Paid-only features

More Protein Calculator Diet apps to explore

4
Nutrition Tracker: Foodnoms
Nutrition Tracker: Foodnoms
Nutrition Tracker: Foodnoms
Log Food and Track Your Macros
Free

Easily log your meals and track your progress towards custom nutrition goals. This app offers fast food logging, detailed insights into your eating habits, and seamless integration with Apple Health. Monitor calories, macros, and more to achieve your health and fitness objectives.

Custom nutrition goal settingFast food and drink loggingBarcode and label scanning
💪 Health & Fitness
(6.9K)
freemium
5
RP Diet Coach & Planner
RP Diet Coach & Planner
RP Diet Coach & Planner
Calories, Macros, Fat Loss
Free

This app helps you achieve your fitness goals by providing personalized calorie and macro tracking, meal timing guidance, and flexible scheduling. It adapts to your progress with weekly reviews and offers a vast food database with barcode and AI nutrition label scanning.

Personalized calories and macrosMeal timing guidanceRaw vs. cooked food tracking
💪 Health & Fitness
(12K)
subscription
6
MacrosFirst - Macro Tracker
MacrosFirst - Macro Tracker
MacrosFirst - Macro Tracker
Food Macros Calorie Counter
Free

This app helps users track their food intake, calories, and macronutrients to achieve health and fitness goals. It offers features like custom goal setting, automatic serving size calculation, and quick food logging via barcode scanning or label analysis. Users can also monitor progress, share meals, and even convert alcohol calories into macro equivalents.

Custom macro goal settingAutomatic serving size calculationBarcode and label scanning for food logging
💪 Health & Fitness
(19K)
freemium
7
Healthify: AI Calorie Tracker
Healthify: AI Calorie Tracker
Healthify: AI Calorie Tracker
Weight loss, diet, fitness app
Free

This app simplifies your health journey with AI-powered tools for weight loss, nutrition, and fitness. Track calories by photo or voice, log meals, and receive personalized AI insights and coaching. Monitor water intake, sleep, weight, and workouts for data-driven decisions.

AI calorie tracking with photosVoice-based meal loggingPersonalized AI insights and actionables
💪 Health & Fitness
(6K)
free with in-app purchases
8
Zero: Fasting & Food Tracker
Zero: Fasting & Food Tracker
Zero: Fasting & Food Tracker
Intermittent Fasting Timer
Free

This app tracks intermittent fasting and nutrition to help users achieve real body composition changes. It integrates fasting, protein intake, meals, hydration, and habits for a holistic approach to weight loss and metabolic health.

Intermittent fasting timers and streaksSmart meal logging with photo recognitionPersonalized daily protein target tracking
💪 Health & Fitness
(445K)
freemium
9
Calorie Counter by fatsecret
Calorie Counter by fatsecret
Calorie Counter by fatsecret
Diet & Weight Loss Tracker
Free

Track your food, exercise, and weight with a comprehensive database and supportive community. Features include barcode scanning, image recognition, and integration with health apps. Premium options offer personalized meal plans and advanced tracking.

Food diary with extensive databaseBarcode scanner and image recognitionExercise tracking and calorie burn log
💪 Health & Fitness
(14K)
freemium
10
Protein Calculator & Tracker
Protein Calculator & Tracker
Protein Calculator & Tracker
Protein Daily Intake Tracker
Free
💪 Health & Fitness
(0)
11
Arise: AI Food Calorie Counter
Arise: AI Food Calorie Counter
Arise: AI Food Calorie Counter
Diet Manager & Protein Tracker
Free

This app helps you log food, monitor calorie intake, and track daily nutrition. It offers practical tools for convenient food logging, clear data visualization, and organized food diaries. Features include step tracking, Apple Health integration, and recipe creation.

Calorie trackingFood loggingMacronutrient tracking
💪 Health & Fitness
(3.2K)
freemium
12
Hello Protein- Protein Tracker
Hello Protein- Protein Tracker
Hello Protein- Protein Tracker
Check your protein daily
Free

Easily track your daily protein intake to meet your fitness goals. Set personalized targets, search for protein content in foods, and visualize your progress with charts. Includes a calculator to determine your ideal protein needs based on weight and activity.

Set protein targetsSearch food protein contentFavorite food list
💪 Health & Fitness
(36)
free
13
Macro Tracker - Keto Diet App
Macro Tracker - Keto Diet App
Macro Tracker - Keto Diet App
Simple Low Carb Health Manager
Free

Easily track your low-carb and ketogenic diet by quickly inputting custom foods and their nutritional information. This app allows you to save and reuse your own recipes, adjusting serving sizes automatically for accurate macro and calorie tracking.

Custom food loggingSave and reuse custom foodsAdjustable serving sizes
💪 Health & Fitness
(1.8K)
free
14
AI Calorie Tracker by Yazio
AI Calorie Tracker by Yazio
AI Calorie Tracker by Yazio
Food tracker for weight loss
Free

This app helps you track your calorie intake and meals to achieve weight loss, muscle gain, or maintenance goals. It offers an AI-powered calorie counter, a vast food database, meal planning, and intermittent fasting support.

AI calorie trackerFood database with barcode scannerIntermittent fasting plans
💪 Health & Fitness
(49K)
freemium
15
Keto Calculator - Keto Buddy
Keto Calculator - Keto Buddy
Keto Calculator - Keto Buddy
Keto/low carb macro calculator
Free

Calculate your ideal macronutrient intake for ketogenic and other low-carb diets. This free tool helps you determine the right balance of fat, protein, and carbohydrates based on your individual goals and needs.

Macronutrient calculationKetogenic diet supportLow-carb diet support
💪 Health & Fitness
(8.4K)
free
16
Diet & Food Tracker: EatWell
Diet & Food Tracker: EatWell
Diet & Food Tracker: EatWell
Count calories and lose weight
Free

This app helps you track your daily food intake and count calories and macros to achieve your health goals. It offers personalized calorie recommendations, supports various popular diets, and provides detailed insights into your nutrition. Your data is kept private and stored securely on your device.

Daily diet diaryCalorie and macro countingPersonalized calorie and macro goals
💪 Health & Fitness
(21K)
freemium
17
Calo: AI Food Calorie Counter
Calo: AI Food Calorie Counter
Calo: AI Food Calorie Counter
Macros, fitness & diététique
Free

This app helps you achieve your health and weight goals through personalized calorie and macro tracking. It features AI-powered food logging, barcode scanning, and custom meal plans with recipes.

AI-powered food loggingCalorie and macro trackingBarcode scanner
💪 Health & Fitness
(17K)
subscription
18
MyNetDiary Carb Genius - Keto
MyNetDiary Carb Genius - Keto
MyNetDiary Carb Genius - Keto
Low Carb Food & Diet Manager
Free

This app helps users manage low-carb and keto diets with comprehensive tools for food logging, carb counting, macro tracking, and personalized diet plans. It features a vast food database, recipe library, and exercise tracking to support weight loss and nutrition goals.

Low-carb and keto diet managementCarb counter and macro trackerExtensive verified food database
💪 Health & Fitness
(5K)
subscription
19
Calorie Counter PRO MyNetDiary
Calorie Counter PRO MyNetDiary
Calorie Counter PRO MyNetDiary
Food Nutrition Fasting Tracker
$3.99

Easily track calories, food intake, and macronutrients with a powerful barcode scanner and AI meal logging. Offers personalized diet plans and detailed nutrition breakdowns to help users achieve their health goals.

Barcode scanner for fast loggingAI Meal Scan for instant food entryPersonalized diet and meal plans
💪 Health & Fitness
(14K)
freemium
20
Kompanion: Weight Loss Plan
Kompanion: Weight Loss Plan
Kompanion: Weight Loss Plan
Intermittent Fasting & Diet
Free

This app combines intermittent fasting timers with a smart nutrition toolkit to help you lose weight. It features AI-powered meal scanning to estimate calories and macros, personalized fasting plans, and insights into your body's metabolic stages. Track your progress, mood, and energy levels to optimize your health journey.

AI-powered meal scanning for calorie and macro estimationFlexible intermittent fasting timer with personalized plansBody stage tracking (Ketosis, Autophagy)
💪 Health & Fitness
(9.3K)
free with in-app purchases