Comparison

BMI Calculator vs Smart Weight Tracker

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

BMI Calculator

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.

Highlights
  • Calculate BMI scientifically
  • Find ideal weight
  • Log BMI history
  • Track health progress
  • Sync data to Apple Health
  • Metric and imperial support
Features
Read full description

With this free BMI Calculator, you can calculate and evaluate your BMI (Body Mass Index) simply by entering age, gender, height and weight. It supports metric or imperial and is designed based on the WHO BMI classification. What You Can Do: - Calculate your BMI scientifically - Find your ideal weight & Get professional tips - Log your BMI history & Track your health progress - For everyone! Adults, teens, and children - Sync data to Apple Health Being overweight or obese increases the risk of obesity-related diseases, such as hypertension, heart disease and diabetes. It’s time to find your ideal weight. You can also use it to check your diet or weight loss effect. Why You Need It: Wanna know your BMI and weight changes at a glance? Want to prevent obesity-related diseases? Wish to know tips to reach an optimal weight? Look for a BMI calculator for your children? Download our app now as a useful starting point for your weight control and health improvement. Medical Disclaimer BMI Calculator: Weight Tracker shall not be treated as a professional medical service provider. Service does not substitute diagnosis, professional treatment, or medical advice from healthcare professionals. If you have experienced any medical conditions, please consult your doctor. Service is for educational and informational purposes only. You are completely aware that the information and data provided may not be accurate, secure, or comprehensive. Due to individual differences, Service is not available to everyone. Please request your doctor to access your suitability for Service. You confirm that you are fully responsible for your safety and health. BMI Calculator: Weight Tracker shall not be liable for any damage or loss in respect of any access or use of Service.

About

Smart Weight Tracker

This app helps you manage your weight and track daily calories with smart tools. It offers personalized goals, progress visualization, and reminders to keep you on track. Features include a BMI calculator, calorie monitoring, and camera integration for food estimates.

Highlights
  • Smart BMI calculator with visualizations
  • Daily weight tracking and progress charts
  • Calorie intake and expenditure monitoring
  • Personalized weight goals and recommendations
  • Progress visualization with charts and graphs
  • Smart reminders for weigh-ins
  • Camera integration for AI calorie estimates
Features
Read full description

Transform your health journey with Smart Weight Tracker - the ultimate daily companion for weight management and calorie tracking. * SMART BMI CALCULATOR Get instant insights into your health with our advanced BMI calculator featuring beautiful animated visualizations. See your BMI category at a glance with our unique arc display that adapts to your gender and provides personalized health recommendations. * DAILY WEIGHT TRACKING Track your weight progress with precision. Set target weights and dates, monitor daily changes, and visualize your journey with intuitive charts. Our smart system calculates your daily calorie needs and tracks your progress toward your goals. * CALORIE MONITORING Monitor your daily calorie intake and expenditure with our comprehensive tracking system. Log meals (breakfast, lunch, dinner, snacks) and activities to maintain perfect balance. Get real-time insights into your daily calorie budget. * PERSONALIZED GOALS Set realistic weight goals with our intelligent target calculator. Get personalized recommendations for daily calorie intake, weight loss/gain targets, and timeline planning. Our system adapts to your activity level and personal preferences. * PROGRESS VISUALIZATION Beautiful charts and graphs show your weight trends, BMI changes, and calorie balance over time. Track your progress with detailed analytics and celebrate your achievements. * SMART REMINDERS Never miss a weigh-in with customizable notifications. Get gentle reminders to track your weight and stay on top of your health goals. * MULTI-LANGUAGE SUPPORT Available in 25+ languages including English, Spanish, French, German, Chinese, Japanese, and more. Perfect for users worldwide. * CUSTOMIZABLE INTERFACE Personalize your experience with dark mode, customizable graph colors, and flexible unit options (kg, lb, stone). Choose your preferred measurement system. * CAMERA INTEGRATION Take photos of your meals and get AI-powered calorie estimates. Our advanced camera feature helps you track your nutrition effortlessly. * PRIVACY FOCUSED Your health data stays private and secure. No data sharing with third parties - your information belongs to you. KEY FEATURES: • Advanced BMI calculator with animated visualizations • Daily weight tracking with trend analysis • Comprehensive calorie intake and expenditure monitoring • Personalized goal setting and progress tracking • Beautiful charts and progress visualization • Smart notifications and reminders • Multi-language support (25+ languages) • Camera integration for food tracking • Customizable interface and units • Privacy-focused design PERFECT FOR: • Anyone looking to manage their weight effectively • Health-conscious individuals tracking daily nutrition • People working toward specific weight goals • Users who want detailed health insights • Those seeking a comprehensive health tracking solution Download Smart Weight Tracker today and take control of your health journey with the most comprehensive weight and calorie tracking app available!

Screenshots

BMI Calculator4 screens
Smart Weight Tracker4 screens

Verdict

The call

The clearest difference is in-app purchases: Smart Weight Tracker at none against BMI Calculator's 1. Smart Weight Tracker also leads on update cadence (every 3 days vs every 13 months) and review sentiment (100% vs 83%). BMI Calculator's advantage is ratings volume (374 vs 2) and iOS requirement (11.0 vs 16.6). On price, rating, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. BMI Calculator sells 1 one-off in-app purchase. Smart Weight Tracker asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for BMI Calculator against 5.0 for Smart Weight Tracker. That said, the two scores are not equally well evidenced: BMI Calculator has 374 ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 83% of BMI Calculator's written reviews are positive against 100% of Smart Weight Tracker's.

UpkeepUpdate frequency

BMI Calculator ships an update every 13 months, Smart Weight Tracker every 3 days. The most recent releases landed on September 23, 2026 and July 17, 2026 respectively.

Scorecard6 real differences · 4 level
BMI Calculator versus Smart Weight Tracker: the parameters behind the verdict, then further details
ParameterBMI CalculatorSmart Weight Tracker
PriceFreeFree
Rating4.9 (374 ratings)5.0 (2 ratings) — better
Positive reviews83.3% of reviews100.0% of reviews — better
Number of ratings374 — better2
Update frequencyEvery 13 monthsEvery 3 days — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPodiPhone, iPad
Requires iOS11.0 — better16.6
Further details — not scored
Size37 MB9 MB
Age rating4+4+
DeveloperLeap HealthMATRIKS GRUP, TOV

Customer experience

BMI Calculator

All ratings374 ratings
Positive96.8%
Neutral0.5%
Negative2.7%
Written reviews60 reviews
Positive83.3%
Neutral6.7%
Negative10.0%

Smart Weight Tracker

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

BMI Calculator

Reported bugs

4 issues
  • App crashes when entering decimal weight
  • App crashes when entering second day's weight
  • App crashes when pressing the 'day' button
  • App crashes on second day's input

Requested features

5 requests
  • Add messages and tips for different weight categories (underweight, overweight, obese)
  • Implement dark mode
  • Allow data storage for multiple users
  • Adjust graph scale for better visibility of weight loss
  • Allow input of decimal numbers for weight

Smart Weight Tracker

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

BMI Calculator

One-time1
  • Remove Ads$2.99
None

Smart Weight Tracker

No in-app purchases

Questions

Is BMI Calculator free?
BMI Calculator is free to download, with in-app purchases available.
Is Smart Weight Tracker free?
Smart Weight Tracker is free to download, with no in-app purchases.
Which has better reviews, BMI Calculator or Smart Weight Tracker?
Smart Weight Tracker is rated higher. BMI Calculator averages 4.9 out of 5 from 374 ratings, while Smart Weight Tracker averages 5.0 from 2 ratings.
Do BMI Calculator or Smart Weight Tracker have ads?
Both BMI Calculator and Smart Weight Tracker show ads.
Which is updated more often, BMI Calculator or Smart Weight Tracker?
BMI Calculator ships an update every 13 months, and Smart Weight Tracker every 3 days. Most recently, BMI Calculator was updated on September 23, 2026 and Smart Weight Tracker on July 17, 2026.

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