Free

Details

  • Released
  • Updated
  • March 21, 2024
  • July 9, 2026
WeighSync screenshot #1 for iPhone
WeighSync screenshot #2 for iPhone
WeighSync screenshot #3 for iPhone
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About

This app simplifies weight tracking by connecting to smart scales via Bluetooth. It allows users to easily record and visualize their weight data without requiring registration or an internet connection, prioritizing user privacy.

Bluetooth smart scale connection
Weight data recording
Weight data visualization
No registration required
Offline functionality
User data privacy
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What's New in WeighSync

3.0.0

July 9, 2026

1. Bug Fixes and Improve Performance 2. Fix Compatibility Issues on Newer iPhone Device and OS

User reviews

Worthless

It synced with the scale and health for about a week and the 3.0 update broke the app. Can’t do anything. Won’t sync. Won’t log in. Won’t recover a password.

Quit working after months

I got the app and scale in March and have been using it regularly. There is very little to it, it just recorded my weight every time I stepped on the scale. Today I logged in and all my info was gone. It still had my data s far as my height and goal weight and DOB, but my username was gone and the past 4 months of tracking history is gone. Interestingly, it goes back to the first day of use in March, but every day just shoes an increase of one pound— every day the same record. I tried re-registering but the app never sent the email verification. This app is a waste. It is only a glorified notebook anyway so I guess I’ll go back to pencil and paper to track changes.
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They broke it

It used to work after the latest update I can’t access. The profile I created and it won’t let me set up a new one. Keeps thinking I haven’t filled in required fields when they are all completed. Useless app right now

Doesn’t work

The app freezes before I can even use it. I bought a scale at Kohl’s assuming it would be better quality than an Amazon scale but this is not worth the $30 I paid. Disappointed.

Listen to the Reviews

When I started the app everything worked great and I thought the reviews were incorrect. However after 4 weigh ins I decided to link everything to Apple Health so I could use my WW app with my my weigh ins. It was then that I realized I couldn’t verify my email, which means I can’t sync with Apple health and all it says now is that the session is “timed out”. The verify email button does nothing. Now I can’t even weigh in without creating a new user slot and getting rid of my progress. The app is useless.
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Developer apps

FAQ

What does WeighSync do?

WeighSync is a weight tracking application that connects to smart scales via Bluetooth to record and visualize your weight data. It focuses solely on the essential task of measuring weight, offering a streamlined and user-friendly experience.

What are the key features of WeighSync?

Key features include seamless Bluetooth connection with smart scales, efficient weight data recording and visualization, no registration requirement, and offline functionality to ensure user data privacy. The app prioritizes a clutter-free and direct interface.

Is WeighSync free to use?

Yes, WeighSync is a free application. It does not have in-app purchases or advertisements, and it does not require registration, making it accessible for all users.

What devices is WeighSync compatible with?

WeighSync is designed to connect with smart scales via Bluetooth. While the description doesn't specify exact scale models, it implies compatibility with scales that support Bluetooth connectivity for weight measurement.

Can I use WeighSync without an internet connection?

Yes, a significant advantage of WeighSync is its ability to function without an internet connection. This ensures that your weight data is recorded and accessible even when you are offline, enhancing user privacy and convenience.