Comparison

BMI Calculator vs AiBMI

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

AiBMI

This app provides a comprehensive health index (CHi) that goes beyond basic BMI. It analyzes key body measurements to assess visceral fat risk, body fat percentage, and muscle mass potential, offering personalized lifestyle suggestions and healthcare resources.

Highlights
  • Comprehensive Health Index (CHi)
  • Visceral Fat Risk (WHR) assessment
  • Body Fat Percentage (BFP) calculation
  • Muscle Mass Potential (MMP) measurement
  • Personalized lifestyle suggestions
  • Access to healthcare resources
Features
Read full description

Introducing CHi – Comprehensive Health Index Your go-to app, AiBMI, has evolved. We've integrated the revolutionary CHi system to give you an intelligence report that goes far beyond the scale and basic BMI calculation. CHi is a single, powerful, data-driven score that distills complex anthropometric and body composition data into an easy-to-understand health index. It’s the ultimate measure of where your body really stands. Take the first step toward a healthier you today! Plus, get personalized suggestions for a healthier lifestyle, along with trusted healthcare resources and citations. CHi: The Science Behind Your Score. Why trust CHi over BMI? Because CHi uses your unique body measurements (Waist, Hip, Neck, Height, and Weight) to analyze the three critical pillars of your health, delivering targeted advice you can act on: Visceral Fat Risk (WHR): Assesses the dangerous fat around your organs. Low WHR might be a vanity goal, but CHi alerts you when it's medically concerning. Body Fat Percentage (BFP): Pinpoints the true ratio of fat to lean mass—essential for optimizing diet. Muscle Mass Potential (MMP): Measures strength and identifies the risk of age-related muscle loss. Disclaimer & Safety: AiBMI strictly provides general wellness and fitness information. The data and advice provided by AiBMI with CHi are for informational purposes only. They are not a substitute for professional medical advice, diagnosis, or treatment. Do not use this app to diagnose or manage any disease or medical condition.

Screenshots

BMI Calculator4 screens
AiBMI4 screens

Verdict

The call

The clearest difference is in-app purchases: AiBMI at none against BMI Calculator's 1. AiBMI also leads on ads (none vs shown) and update cadence (monthly vs every 13 months). BMI Calculator's advantage is ratings volume (374 vs 1) and iOS requirement (11.0 vs 17.2). On price, rating 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. AiBMI 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 AiBMI. That said, the two scores are not equally well evidenced: BMI Calculator has 374 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

BMI Calculator ships an update every 13 months, AiBMI monthly. The most recent releases landed on September 23, 2026 and September 11, 2026 respectively.

Scorecard6 real differences · 4 level
BMI Calculator versus AiBMI: the parameters behind the verdict, then further details
ParameterBMI CalculatorAiBMI
PriceFreeFree
Rating4.9 (374 ratings)5.0 (1 ratings) — better
Positive reviews83.3% of reviews—
Number of ratings374 — better1
Update frequencyEvery 13 monthsMonthly — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPod — betteriPhone
Requires iOS11.0 — better17.2
Further details — not scored
Size37 MB7 MB
Age rating4+4+
DeveloperLeap HealthEyal Vardi

Customer experience

BMI Calculator

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

AiBMI

All ratings1 ratings
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

AiBMI

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

BMI Calculator

One-time1
  • Remove Ads$2.99
None

AiBMI

No in-app purchases

Questions

Is BMI Calculator free?
BMI Calculator is free to download, with in-app purchases available.
Is AiBMI free?
AiBMI is free to download, with no in-app purchases.
Which has better reviews, BMI Calculator or AiBMI?
AiBMI is rated higher. BMI Calculator averages 4.9 out of 5 from 374 ratings, while AiBMI averages 5.0 from 1 ratings.
Do BMI Calculator or AiBMI have ads?
BMI Calculator shows ads; AiBMI does not.
Which is updated more often, BMI Calculator or AiBMI?
BMI Calculator ships an update every 13 months, and AiBMI monthly. Most recently, BMI Calculator was updated on September 23, 2026 and AiBMI on September 11, 2026.

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