Comparison

WeighSync vs C3ntro

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

Head to head
About

WeighSync

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.

Highlights
  • Bluetooth smart scale connection
  • Weight data recording
  • Weight data visualization
  • No registration required
  • Offline functionality
  • User data privacy
Read full description

WeighSync transforms into a streamlined weight tracking application, solely focused on the essential task of measuring weight. This application connects seamlessly with smart scales via Bluetooth, offering a user-friendly and efficient way to record and visualize weight data. The simplified operation eliminates the need for registration, providing a direct and clutter-free interface that supports use even without an internet connection, ensuring user data privacy. Disclaimer: This App solely provides convenience for measuring your body weight. We do not give any medical advises. Before you are going to make any medical decisions, please consult a doctor.

About

C3ntro

Features
Read full description

Download the C3ntro App today to plan and schedule your classes! From this mobile App you can view class schedules, sign-up for classes, as well as view the studio’s location information. Optimize your time and maximize the convenience of signing up for classes from your device! Download this App today!

Screenshots

WeighSync3 screens
C3ntro3 screens

Verdict

The call

The clearest difference is ads: WeighSync at none against C3ntro's shown. WeighSync also leads on update cadence (every 3 weeks vs every 3 months). On price, in-app purchases, device support and iOS requirement 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

WeighSync ships an update every 3 weeks, C3ntro every 3 months. The most recent releases landed on October 1, 2026 and September 9, 2026 respectively.

Scorecard2 real differences · 8 level
WeighSync versus C3ntro: the parameters behind the verdict, then further details
ParameterWeighSyncC3ntro
PriceFreeFree
Rating1.0 (3 ratings) — better—
Positive reviews4.5% of reviews—
Number of ratings3 — better—
Update frequencyEvery 3 weeks — betterEvery 3 months
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS14.014.0
Further details — not scored
Size31 MB126 MB
Age rating4+4+
DeveloperConmo Electronic Company LimitedTimko, S.A

In-app purchases

None

WeighSync

No in-app purchases

None

C3ntro

No in-app purchases

Questions

Is WeighSync free?
WeighSync is free to download, with no in-app purchases.
Is C3ntro free?
C3ntro is free to download, with no in-app purchases.
Do WeighSync or C3ntro have ads?
C3ntro shows ads; WeighSync does not.
Which is updated more often, WeighSync or C3ntro?
WeighSync ships an update every 3 weeks, and C3ntro every 3 months. Most recently, WeighSync was updated on October 1, 2026 and C3ntro on September 9, 2026.

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