Weight Tracker, BMI Calculator

In-app purchases
9.85K reviews
Content rating
PEGI 3
1M+
Downloads
Content rating
PEGI 3
In-App Purchases
Learn more
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image

About this app

Better Weight is a free weight tracker and BMI calculator that helps you lose weight, gain muscle, or reach your ideal weight. Monitor your BMI, track progress, and see real results — all in one simple app.

Whether your goal is to slim down or build up, splitting it into smaller milestones is a smart plan. Set your target, track daily or weekly, and stay motivated. Small wins keep you happy and moving forward.


📊 WEIGHT TRACKER & BMI CALCULATOR

Our weight tracker makes it easy to log every weigh-in. See your progress on daily, weekly, or monthly charts. Because numbers fluctuate, we show a 7-day low and meaningful trends instead of confusing daily readings.

The built-in BMI calculator lets you calculate your body mass index instantly. Know where you stand — underweight, normal, overweight, or obese — and track how your BMI improves over time.


📏 BODY MEASUREMENTS & BODY FAT

Numbers on the scale don't tell the full story. Track body measurements like waist, hips, chest, and arms to see what's really changing. Calculate your body fat percentage and get the bigger picture beyond a single number.


🎯 GOALS, PLANS & CHALLENGES

Set your weight loss goal and create a step-by-step plan to reach it. Pick from curated 28-day challenges — healthy habits like daily exercise, stretching, drinking water, or eating right. Choose the difficulty and build a routine that fits your life.


⚖️ SIMPLE & BEAUTIFUL SCALE

Our weight scale is designed to be beautiful and simple. Step on, log your number, and move on. Quick weigh-ins make it easy to build a daily habit. Use your weight log as a personal weight diary to look back on your journey anytime.


💬 WHAT OUR USERS SAY

"Finally a weight tracker that doesn't overwhelm me. I lost 12 kg in 4 months just by tracking consistently."

"The BMI calculator and body measurements keep me focused on the right numbers. Best weight loss app I've tried."

"Simple, beautiful, and actually makes me want to step on the scale every morning."


🏆 KEY FEATURES

✅ Free weight tracker — no time limits
✅ BMI calculator with health categories
✅ Weight loss tracking and planning
✅ Body measurement tracker for waist, hips, arms & more
✅ Body fat percentage calculator
✅ Milestones, goals, and progress charts
✅ 28-day challenges with healthy habits
✅ Daily, weekly & monthly views
✅ Smart weight monitor with meaningful trends
✅ Lose weight or gain — your choice
✅ Ideal weight calculator
✅ Personal weighing machine
✅ Before and after photo comparison
✅ Achievements and rewards
✅ Dark mode
✅ PIN, face recognition & fingerprint lock
✅ Pounds, Stones, and Kilograms


🔐 PRIVACY & SECURITY

Your data stays on your phone. Schedule backups to your private cloud or export anywhere. We don't send data to our servers and third parties cannot access your information. Your journey is yours alone.

Download Better Weight — the weight tracker and BMI calculator that makes every weigh-in count. Start today for free.
Track weight & BMI. Plan, set goals, log measurements & reach your ideal weight.
Updated on
Oct 26, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • This app may collect these data types
    App info and performance and Device or other IDs
  • Data is encrypted in transit
  • You can request that data be deleted

Ratings and reviews

9.69K reviews
Jenny M
December 15, 2025
The free version is fab. However, for me to give a 5 star, I would need to see the following -1)- how many calories I should be eating to reach goal weight. 2)-when I click on specific weight entries on the weight loss chart, I would like to see the notes I made (this would make it easy to see at a glance what happened that week as to why I lost/put on weight. 3)- the exercise challenge, to be able to see previous months results. **I would pay for pro version if these additions were implemented*
14 people found this review helpful
Did you find this helpful?
Habitics
December 19, 2025
Thanks so much for the kind words and detailed feedback! 😊 Those are great ideas — calorie targets, better notes visibility on the chart, and viewing past challenge results are all things many users would find helpful. We really appreciate you sharing this and will pass it on to the team 💛
Laura Bowes
October 21, 2024
I have been using this all year and I've lost 32lb so far. I love the colours on the app. My only teeny tiny suggestion would be, if you could have a countdown of how many lbs I've got left to lose to get to my goal. Not many apps seem to do this and I don't know why? It would be great to see the figure there, 4lb to go! Etc each time I look. So please consider this.
50 people found this review helpful
Did you find this helpful?
Habitics
October 28, 2024
Hi Laura, many thanks for the kind words and suggestions you are bringing to our attention. I have noted it. Stay tuned & take care!
Victoria Likeman
September 24, 2025
it is my favourite I've tried over the years, mostly like it for the chart and projections being pretty clear and simple really.. the only very frustrating issue I have is that I cant find a way to delete comparison photos?!? I uploaded the wrong picture and I can't seem to replace it. *Edit* Thank you for your response, I finally have the correct photo! 😁
12 people found this review helpful
Did you find this helpful?
Habitics
September 23, 2025
Glad you’re enjoying Daylio 💜 Each comparison photo is linked to a weight entry. Just scroll to the bottom of your home screen, find the entry with the photo, tap it > edit, and delete the photo. It will also disappear from the comparison view.

What’s new

Minor fixes and improvements