Out of 240+ 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.
Compare top Weight Calculators Apps (September 2026)
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) 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
Easily calculate your Body Mass Index (BMI) to understand your weight classification and ideal weight. Track your weight progress towards a personal goal, whether for weight loss or gain. This tool provides a quick BMI assessment and classification based on WHO standards.
What are the best weight calculators apps for iPhone?
BMI Calculator – Weight Loss tops our weight calculators apps ranking as of September 2026, with a 4.5-star average from 29K 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: Weight Tracker.
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 September 2026.
How many weight calculators apps are on the App Store?
We track 240+ weight calculators apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.