Comparison

BMI Calculator + Weight Loss vs Weight Log

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

Weight Log

Easily track your weight progress with a clean interface. Visualize your journey with intuitive graphs, monitor monthly progress, and set achievable goals. Premium features include BMI calculation and daily notes.

Highlights
  • Intuitive weight graph
  • Monthly progress history
  • Goal weight setting
  • BMI calculation (premium)
  • Daily notes (premium)
Features
Read full description

We make tracking your weight easy because losing it should be the hardest part. We've taken a minimalist approach when developing and designing Weight Log, so you will find that there is little to no clutter with the interface and experience. Every element has been carefully chosen to provide you the most optimal experience when using the app. We are certain that utilizing Weight Log will provide you a simple weight tracking solution you've been always looking for. Check out some of the features that we offer below. Weight Graph: We offer an intuitive weight graph that will display your progress from start to finish, so you will be able to see your overall progress through your entire weight loss journey. History: In addition to showing your weight progress per day, we also organize the months of each year so you can see how much you've lost for each month. Goal Weight: Setting your goal weight is a great way to keep on track. We make that process easy by allowing you to set your goal weight, and we'll let you know your overall progress of reaching the weight. BMI: Accessing your BMI can really enlighten you to a particular category of where you stand in regards to your current weight. We offer this feature as a part of our premium upgrade. Notes: If you would like to add notes to a particular weight day for you to remember anything related to that particular day that you weighed in, we'll allow you to do this. We offer this feature as a part of our premium upgrade. We hope that we can have the privilege of being a part of your weight loss journey. Stay cool, and love yourself. You will get to where you're going if you never give up.

Screenshots

BMI Calculator + Weight Loss4 screens
Weight Log4 screens

Verdict

The call

The clearest difference is ads: Weight Log at none against BMI Calculator + Weight Loss's shown. Weight Log also leads on rating (4.8 vs 4.5). BMI Calculator + Weight Loss's advantage is update cadence (monthly vs every 10 months) and ratings volume (1.6K vs 60). On price, review sentiment, in-app purchases and monetization model 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 and Weight Log sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Weight Log holds the better App Store score, 4.8 against 4.5. That said, the two scores are not equally well evidenced: BMI Calculator + Weight Loss has 1.6K ratings behind it against 60, so its average is the more settled of the two. Written reviews complicate that: 48% of BMI Calculator + Weight Loss's written reviews are positive against 43% of Weight Log's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

BMI Calculator + Weight Loss ships an update monthly, Weight Log every 10 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

Scorecard4 real differences · 6 level
BMI Calculator + Weight Loss versus Weight Log: the parameters behind the verdict, then further details
ParameterBMI Calculator + Weight LossWeight Log
PriceFreeFree
Rating4.5 (1.6K ratings)4.8 (60 ratings) — better
Positive reviews48.1% of reviews — better42.9% of reviews
Number of ratings1.6K — better60
Update frequencyMonthly — betterEvery 10 months
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.013.0 — better
Further details — not scored
Size98 MB1 MB
Age rating4+4+
DeveloperaktiWir GmbHjustncode LLC

Customer experience

BMI Calculator + Weight Loss

All ratings1,571 ratings
Positive88.7%
Neutral2.9%
Negative8.4%
Written reviews297 reviews
Positive48.1%
Neutral9.1%
Negative42.8%

Weight Log

All ratings60 ratings
Positive95.0%
Neutral3.3%
Negative1.7%
Written reviews7 reviews
Positive42.9%
Neutral0.0%
Negative57.1%

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

Weight Log

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
1 purchases

Weight Log

One-time1
  • Weight Log Premium$4.99

Questions

Is BMI Calculator + Weight Loss free?
BMI Calculator + Weight Loss is free to download, with in-app purchases available.
Is Weight Log free?
Weight Log is free to download, with in-app purchases available.
Which has better reviews, BMI Calculator + Weight Loss or Weight Log?
Weight Log is rated higher. BMI Calculator + Weight Loss averages 4.5 out of 5 from 1.6K ratings, while Weight Log averages 4.8 from 60 ratings.
Do BMI Calculator + Weight Loss or Weight Log have ads?
BMI Calculator + Weight Loss shows ads; Weight Log does not.
Which is updated more often, BMI Calculator + Weight Loss or Weight Log?
BMI Calculator + Weight Loss ships an update monthly, and Weight Log every 10 months. Most recently, BMI Calculator + Weight Loss was updated on November 6, 2026 and Weight Log on November 3, 2026.

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