Out of 243+ weight calculators 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.
Calculate and track your Body Mass Index (BMI) with this user-friendly app. It provides personalized health insights, ideal weight recommendations, and supports various units and classification systems. Monitor your weight journey and understand health risks.
Calculate your Body Mass Index (BMI) and ideal weight with this easy-to-use tool. Track your BMI to support weight loss efforts. Ideal for both men and women.
Calculate your Body Mass Index (BMI) using age, gender, height, and weight. Track your health progress, find your ideal weight, and receive tips for weight control. Supports metric and imperial units and syncs with Apple Health.
What We Love
👍 Easy to use and understand
✅ Accurate BMI calculation
📈 Helpful for tracking weight
😊 Improves self-esteem
✨ Pleasant visual design
🚀 Fast BMI calculation
👍 Good value for money (paid version)
💯 Highly recommended by users
💪 Motivates users to be disciplined
💖 App is loved by users and clients
Room to Improve
🤔 Discrepancy with doctor's advice
⚠️ Can cause insecurity about weight
📉 Graph scale not ideal for weight loss
🚫 Ads can be intrusive
🤷♀️ Some users disagree with weight categorization
What are the best weight calculators apps for iPhone?
BMI Calculator – Weight Loss tops our weight calculators apps ranking as of August 2026, with a 4.5-star average from 28K App Store ratings, and it's free to download.
Are there free weight calculators apps for iPhone?
Yes — 19 of the top weight calculators apps we rank are free to download, including BMI Calculator – Weight Loss and BMI Calculator for Weight Loss.
Does BMI Calculator – Weight Loss have ads or in-app purchases?
BMI Calculator – Weight Loss has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
How many weight calculators apps are on the App Store?
We track 243+ weight calculators apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
What does this BMI calculator app do?
This app calculates and tracks your Body Mass Index (BMI) using accurate and user-friendly methods. It offers personalized health insights, ideal weight recommendations, and visual feedback on your BMI categories. You can monitor your weight loss or gain journey and understand potential health risks associated with your BMI.
What are the key features of the BMI calculator?
Key features include instant BMI calculation with an animated visual gauge, personalized health insights, and ideal weight recommendations. It supports metric and imperial units, offers a choice between WHO and DGE classification systems, and includes age and gender-specific calculations. The app also works offline and has a clean, intuitive interface.