WeighSync vs C3ntro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Bluetooth smart scale connection
- Weight data recording
- Weight data visualization
- No registration required
- Offline functionality
- User data privacy
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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.
C3ntro
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
| Parameter | WeighSync | C3ntro |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (3 ratings) — better | — |
| Positive reviews | 4.5% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 3 weeks — better | Every 3 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 14.0 | 14.0 |
| Further details — not scored | ||
| Size | 31 MB | 126 MB |
| Age rating | 4+ | 4+ |
| Developer | Conmo Electronic Company Limited | Timko, S.A |
In-app purchases
WeighSync
No in-app purchases
C3ntro
No in-app purchases









