Best Weight Gain Calculator Apps

248+ iOS apps curated and reviewed

4.1 avg rating
19 free apps
Updated October 2026

Out of 248+ weight gain calculator 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 Weight Gain Calculator Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1MyFitnessPal: Calorie CounterMyFitnessPal: Calorie CounterFree4.7★ (2.4M)YesYesOct 2026
2BMI-Calculator: Weight TrackerBMI-Calculator: Weight TrackerFree4.7★ (193)YesYesOct 2026
3Calorie Counter - MyNetDiaryCalorie Counter - MyNetDiaryFree4.8★ (166K)NoYesOct 2026
4BMI Calculator – Weight LossBMI Calculator – Weight LossFree4.5★ (29K)NoYesOct 2026
5Monitor Your WeightMonitor Your WeightFree4.8★ (23K)YesYesOct 2026
6Health calculator: weight, BMIHealth calculator: weight, BMIFree4.6★ (47)YesNoSep 2026
7LifeCal - BMI CalculatorLifeCal - BMI CalculatorFree—NoNoMay 2026
8MyBulk - Gain Muscle & WeightMyBulk - Gain Muscle & WeightFree—NoYesSep 2026

Top Picks for Weight Gain Calculator

MyFitnessPal: Calorie Counter#1

MyFitnessPal: Calorie Counter by MyFitnessPal, Inc.

AI Coach & Nutrition Tracker
Editor's Choice
💪 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 Counter - MyNetDiary#3

Calorie Counter - MyNetDiary by MyNetDiary Inc.

Food Nutrition Macro Tracker
Worth Considering
💪 Health & Fitness
4.8😊(166K ratings)
FreeIn-App Purchases
#19in Health & Fitness
Calorie Counter - MyNetDiary screenshot 1
Calorie Counter - MyNetDiary screenshot 2
Calorie Counter - MyNetDiary screenshot 3
Calorie Counter - MyNetDiary screenshot 4
Calorie Counter - MyNetDiary screenshot 5
Calorie Counter - MyNetDiary screenshot 6

Track your food intake and nutrition with a comprehensive calorie counter. Log meals quickly using a barcode scanner, photo analysis, or search. Monitor macros, vitamins, minerals, and more with detailed insights and progress charts.

What We Love

  • 👍 Easy to use
  • 🚀 Fast barcode scanning
  • 📊 Comprehensive data and analytics
  • 💪 Helped with weight loss and healthy habits
  • 🌟 Great app overall

Room to Improve

  • 🐛 Inconsistent steps tracking
  • 📉 Reduced free features over time
  • 🔒 Privacy concerns with data access
  • 💰 Expensive premium subscription

More Weight Gain Calculator apps to explore

FAQ about Weight Gain Calculator

What are the best weight gain calculator apps for iPhone?
MyFitnessPal: Calorie Counter tops our weight gain calculator apps ranking as of October 2026, with a 4.7-star average from 2.4M App Store ratings, and it's free to download.
Yes — 19 of the top weight gain calculator apps we rank are free to download, including MyFitnessPal: Calorie Counter and BMI-Calculator: Weight Tracker.
MyFitnessPal: Calorie Counter shows ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 248+ weight gain calculator apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.