BMI Calculator vs Weight Diary · BMI Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BMI Calculator
Calculate your Body Mass Index (BMI) using your weight and height to estimate body fat and assess health risks. This tool supports weight loss programs and offers metric and imperial system options.
- BMI calculation
- Weight tracking
- Metric and imperial system support
- Health risk assessment
- Weight loss program aid
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BMI Calculator helps you to calculate your Body Mass Index (BMI) based on body weight, height. The BMI is an estimate of body fat and a good gauge of your risk for diseases that can occur with more body fat. The higher your BMI, the higher your risk for certain diseases such as heart disease, high blood pressure, type 2 diabetes, gallstones, breathing problems, and certain cancers. Ideal to help you with your loss weight program, keeping track of you current weight. • This app supports metric and imperial system. Note: This app is just for reference all the calculation are made using the WHO body max index formula, all the information displayed in the app such as graphs are just representations of the values of the formula. Please consult your health provider if you think your health is on risk. WHO website where you can consult more information about body mass index. https://www.who.int/europe/news-room/fact-sheets/item/a-healthy-lifestyle---who-recommendations
Weight Diary · BMI Calculator
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Calculate BMI from height and weight in metric or imperial units. View a labeled gauge and adult reference categories, copy or share the result, and save today’s weight without retyping. Keep a dated weight history, edit or delete readings, and explore a chart with individual readings and a clearly labeled logged-day average trend estimate when enough data is available. Choose an optional lose, gain or maintain direction, or just track. Set your own reference or range. Weekly consistency recognizes check-ins, not lower weight. Choose your cadence, pause or hide encouragement. Daily reminders are optional and separate from weekly consistency. All features are free, with ads and no subscription or account required. Weight records stay on this device; calculation and logging work offline. Ads may use internet. No account-based cloud synchronization. BMI is an adult screening measure, not a diagnosis or direct body-fat measurement. It does not distinguish muscle from fat and is not intended for children or pregnancy. The app does not prescribe a target weight, diet or rate of change. Ask a healthcare professional for personal advice.
Screenshots
Verdict
The clearest difference is update cadence: BMI Calculator at every 11 days against Weight Diary · BMI Calculator's every 3 months. On price, ads, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
BMI Calculator ships an update every 11 days, Weight Diary · BMI Calculator every 3 months. The most recent releases landed on October 13, 2026 and October 28, 2026 respectively.
| Parameter | BMI Calculator | Weight Diary · BMI Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 11 days — better | Every 3 months |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 31 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | Bosusoft | JanoGroup LLC |
In-app purchases
BMI Calculator
No in-app purchases
Weight Diary · BMI Calculator
No in-app purchases
Questions
Is BMI Calculator free?
Is Weight Diary · BMI Calculator free?
Do BMI Calculator or Weight Diary · BMI Calculator have ads?
Which is updated more often, BMI Calculator or Weight Diary · BMI Calculator?
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