Comparison

BMI Calculator + Weight Loss vs Kilo

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

Head to head
About

BMI Calculator + Weight Loss

This app helps users achieve their weight and body goals through a comprehensive suite of tracking and analysis tools. It offers a BMI calculator, weight diary, and detailed body measurements to visualize progress and stay motivated on the journey to better health.

Highlights
  • Professional BMI Calculator
  • Smart Weight Tracker
  • Body Data Analytics
  • Goal System
  • Weigh-in Reminders
  • Multi-User Support
  • Apple Health Integration
Features
Read full description

Achieve your ideal body with aktiBMI – your smart companion for weight loss, body transformation, and better health. More than 500,000 users trust aktiBMI to reach their weight and body goals. With an accurate BMI calculator, a detailed Weight Diary, and complete body data tracking – including waist, chest, hip, and other measurements – aktiBMI helps you see your progress clearly and celebrate every milestone. Whether you want to lose weight, build muscle, or simply stay on top of your health, aktiBMI gives you powerful tools to stay on track. WHY USERS LOVE AKTIBMI + Professional BMI Calculator: Understand your health clearly. + Smart Weight Tracker: See your progress at a glance. + Body Data Analytics: Track body fat, muscle mass, and measurements. + Goal System: Set realistic goals and reach them step by step. + Weigh-in Reminders: Build consistency without stress. + Multi-User Support: Perfect for couples and families. + Apple Health Integration: All data syncs automatically. FEATURE HIGHLIGHTS MORE THAN JUST A BMI CALCULATOR aktiBMI gives you more than numbers. It provides a clear understanding of your health and a defined path toward your ideal weight. YOUR PROGRESS – VISUALIZED The Weight Diary displays your journey with clean and easy-to-read charts. Spot trends early and stay motivated. TRACK WHAT REALLY MATTERS Weight alone doesn’t show the whole picture. Track body fat, muscle, water levels, and detailed measurements such as waist, hips, and chest. STAY FOCUSED ON YOUR GOALS Turn your goals into an actionable plan. Follow your progress in real time and enjoy the motivation of watching your goal bar grow. DAILY MOTIVATION Hand-picked motivational quotes help you stay positive and committed, even on challenging days. CONSISTENCY MADE EASY Flexible weigh-in reminders help you build healthy habits effortlessly. LOSE WEIGHT TOGETHER Use aktiBMI with your partner or family. Support each other and achieve your goals as a team. WANT TO LOSE WEIGHT? Track your diet success with clear charts and visual milestones. aktiBMI makes weight loss structured, motivating, and even enjoyable. FOCUSED ON HEALTH? Even if you’re satisfied with your weight, understanding your body composition is essential. Track muscle, fat, and key metrics with ease. Download aktiBMI now and start your journey to a healthier, stronger, and more confident you. Privacy policy: https://www.aktibmi.com/appprivacy Terms of service: https://www.aktibmi.com/appterms Note: aktiBMI integrates with Apple Health for a smooth and seamless experience.

About

Kilo

Features
Read full description

Track your weight simply and stay consistent with Kilo-Log — a clean, intuitive weight tracking app designed to help you reach your goals. ●Log your daily weight quickly with a numeric keypad ●Visualize your progress with beautiful charts and graphs ●Set a target weight and track your achievement rate ●Record your daily mood and condition (Great / Good / Normal / Poor) ●Auto-sync with Apple Health ●Protect your data with Face ID or passcode lock ●Automatic BMI calculation and body fat tracking ●Customize the app with multiple color themes ●Log your meals to monitor your lifestyle habits ●Switch between kg and lbs (pounds) weight units

Screenshots

BMI Calculator + Weight Loss4 screens
Kilo4 screens

Verdict

The call

The clearest difference is in-app purchases: Kilo at none against BMI Calculator + Weight Loss's 10. BMI Calculator + Weight Loss's advantage is iOS requirement (14.0 vs 26.2). On price, update cadence, 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 + Weight Loss sells 10 in-app purchases, starting at $1.99 per month. Kilo asks for nothing beyond the download.

UpkeepUpdate frequency

BMI Calculator + Weight Loss ships an update monthly, Kilo every 3 weeks. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

Scorecard2 real differences · 8 level
BMI Calculator + Weight Loss versus Kilo: the parameters behind the verdict, then further details
ParameterBMI Calculator + Weight LossKilo
PriceFreeFree
Rating4.5 (1.6K ratings) — better—
Positive reviews48.1% of reviews—
Number of ratings1.6K — better—
Update frequencyMonthlyEvery 3 weeks — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better26.2
Further details — not scored
Size98 MB8 MB
Age rating4+4+
DeveloperaktiWir GmbHTOSHIYUKI HIRATA

Bugs and requests

BMI Calculator + Weight Loss

Reported bugs

3 issues
  • Incorrect weight/BMI data after updates
  • Inability to enter weights/dates properly
  • Frequent app crashes or freezes

Requested features

4 requests
  • Body measurement tracking
  • Customizable BMI ranges
  • Improved data backup/sync
  • Better customer support options

Kilo

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

BMI Calculator + Weight Loss

Subscriptions5
  • Abo Promo$1.991 Month
  • Pro$3.991 Month
  • Pro14 Days trial$11.991 Year
Show 2 more
  • Pro$17.991 Year
  • Pro7 Days trial$22.991 Year
One-time5
  • Remove Ads$0.99
  • Pro Version$9.99
  • Pro Version Offer 50%$17.99
Show 2 more
  • Pro Version Offer 20%$29.99
  • Pro Version$34.99
None

Kilo

No in-app purchases

Questions

Is BMI Calculator + Weight Loss free?
BMI Calculator + Weight Loss is free to download, with in-app purchases available.
Is Kilo free?
Kilo is free to download, with no in-app purchases.
Do BMI Calculator + Weight Loss or Kilo have ads?
Both BMI Calculator + Weight Loss and Kilo show ads.
Which is updated more often, BMI Calculator + Weight Loss or Kilo?
BMI Calculator + Weight Loss ships an update monthly, and Kilo every 3 weeks. Most recently, BMI Calculator + Weight Loss was updated on November 6, 2026 and Kilo on November 5, 2026.

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