Guide
How FitMesh works: your ring and watch in one dashboard
FitMesh Sync reads your wearables' data, including the Colmi ring over Bluetooth, merges it without duplicates and shows it in one web dashboard. Here's how it works, screen by screen.

まとめ
- FitMesh Sync is an app that gathers your wearables' data and shows it in one dashboard, on your phone and on the web.
- It reads the Colmi ring directly over Bluetooth and your smartwatch through Health Connect on Android.
- It merges the sources with deduplication: the same step is never counted twice.
- For each metric you can see which app provided the data (steps, sleep, heart rate, SpO2).
- Your data stays on your account in the EU cloud. Android app available now, iOS coming.
If you're wondering how FitMesh works before trying it, the one-sentence answer is this: FitMesh Sync gathers the data from all your wearables, including an affordable smart ring, merges it without duplicates and shows it to you in one dashboard, on your phone and from any browser. In this guide we go through it screen by screen, with real screenshots of the app.
What FitMesh is, in short
FitMesh Sync is a health and fitness app that bridges your wearables and a unified dashboard. Many people wear a ring at night and a watch during the day, but the data ends up in separate apps, each with its own partial view. FitMesh brings it together: one screen with steps, heart rate, sleep, SpO2, calories and workouts, no matter which device recorded them.
All your data in one dashboard
The main screen is the "Today" dashboard: each card is a metric, with the day's value and the change against your trend. At a glance you see steps, heart rate, calories, sleep, distance, a recovery index and your workout summary. No jumping between different apps.

Where the data comes from (and why there are no duplicates)
This is the part that makes FitMesh different. The Sync Center shows, for each metric, which app provided the data at the last sync: steps from Samsung Health, sleep from Google, active calories computed by FitMesh, and so on. When multiple sources record the same thing at the same time, deduplication picks the best value instead of adding them up: the same step is never counted twice. You can dig deeper in multiple smartwatches together without double data.

Your smart ring, read over Bluetooth
FitMesh reads the Colmi ring directly over Bluetooth, with no need to keep the maker's app open. From the "Smart ring" section you connect it and, with "Measure now", take an on-the-spot reading of heart rate and blood oxygen. The ring's data (steps, heart rate, SpO2, sleep with stages, stress, battery) flows into the same dashboard as your other devices. These are consumer wellness measurements, not diagnostic tools. Full guide: the Colmi ring with FitMesh.

Trends and history
Beyond the day itself, FitMesh keeps your history. In the Trends section you pick the range (7 days, 30, 90 or a year) and see averages, totals and how each metric changes over time: steps, sleep, recovery, HRV, resting heart rate. It's the bigger picture a single manufacturer app rarely gives you.

Everything you can do
From the menu you reach every feature: record a workout with a timer, heart rate and distance; trends; connect the smart ring or manage devices and syncing via Health Connect; external providers (Strava, Oura, Suunto and more); settings for profile, goals, units and theme. There's also "Share with AI", which generates a text with your data to use with an assistant.

How to get started, in 3 steps
- Install FitMesh Sync from the Play Store and sign in. On Android you grant Health Connect access, so the app reads your smartwatch data.
- If you have a Colmi ring, open the "Smart ring" section and connect it over Bluetooth: steps, heart rate, SpO2 and sleep flow into the dashboard.
- Open the web dashboard with the same account, from any browser: you find everything merged and deduplicated, from your computer too.
What it does, by platform
| Feature | Android | iPhone |
|---|---|---|
| Reads your smartwatch (Health Connect) | Yes | Coming (Apple Health) |
| Colmi ring over Bluetooth | Yes | Coming |
| Deduplication across sources | Yes | Coming |
| Web dashboard (same account) | Yes | Yes |
| Data in the EU cloud | Yes | Yes |
Privacy: your data in the EU cloud
Your health data stays on your account, on servers in the European Union. FitMesh doesn't sell it and shows no ads: the service is funded by a small subscription or a one-time lifetime unlock, and the first 1,000 founder sign-ups get lifetime Pro free. For the details: is FitMesh free? pricing and founder spots.
よくある質問
How does FitMesh work?+
FitMesh Sync reads your wearables' data, the Colmi ring over Bluetooth and your smartwatch through Health Connect on Android, merges it with deduplication (no duplicates) and shows it in one dashboard on your phone and on the web. Your data stays on your account in the EU cloud.
Does FitMesh really read the smart ring?+
Yes. It reads the Colmi ring directly over Bluetooth, with no need to keep the maker's app open: steps, heart rate, SpO2, sleep with stages, stress and battery. With "Measure now" you can also take an instant heart rate and blood oxygen reading.
Which devices does it work with?+
On Android, with any device that writes to Health Connect (most recent smartwatches and bands), plus the Colmi ring over Bluetooth. Providers like Strava, Oura and Suunto connect from the external providers section. The iPhone version is coming and will use Apple Health.
Do I need Health Connect?+
On Android yes, to read your smartwatch data: on first launch you grant FitMesh access in Health Connect. The Colmi ring, instead, is read directly over Bluetooth, without Health Connect.
Why isn't data counted twice?+
Because FitMesh applies deduplication: if the same metric arrives from multiple sources in the same interval (for example ring and watch), it picks the best value instead of adding them up. In the Sync Center you see, for each metric, which app it comes from.
Where is my data stored?+
On your account, on servers in the European Union. FitMesh doesn't sell your data and shows no ads. You can open the same dashboard from any browser with your account.
Is FitMesh free?+
There's no permanent free plan, but it costs very little: a full 14-day trial, then a light subscription (about a coffee every six months) or a one-time lifetime unlock (less than a pizza). The first 1,000 founder sign-ups get lifetime Pro free.
Does it work on iPhone?+
The Android app is available now; the iPhone version is coming and will write to Apple Health. The web dashboard, however, is already accessible from any device with your account, iPhone included.
免責事項
FitMesh Syncは独立した製品です。Colmi、Samsung Health、Googleは各所有者の商標です。本記事はいかなる提携またはスポンサーも示唆しません。
医療免責事項
本記事の情報は情報提供のみを目的としており、医師、薬剤師、その他の医療専門家のアドバイスに代わるものではありません。FitMesh Syncはフィットネス・ウェルネスアプリであり、医療機器ではなく、疾患の診断や治療は行いません。症状、臨床上の疑問、治療上の決定については、必ずかかりつけ医にご相談ください。
Written by
Matteo Pizzi
Founder & Solo Dev, FitMesh Sync · Fosforonero
Italian software developer. I built FitMesh Sync to fill the gap between my smartwatch and a real personal dashboard. Privacy-first, indie, EU servers.
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ガイド
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ガイド
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Is FitMesh free? Pricing, the 14-day trial and founder spots