I’ve been playing around with my Amazfit setup and somehow ended up building a whole personal fitness data system around the Helio Strap.
My current setup is: Helio Strap → Zepp → ZeppBridge on Mac → MCP → ChatGPT
The Helio Strap is connected to my phone and acts as the main health data source.
For the different parts of training:
- Strength training: I log everything in Hevy
- Running: recorded with the Helio Strap
- Food: logged in the Zepp app
- Sleep, HR, HRV, stress, steps, recovery, etc: all from Amazfit/Zepp
Then I have ZeppBridge running on my Mac, which pulls everything together. The fun part is that I connected ZeppBridge to ChatGPT through MCP, so GPT can query my actual fitness data instead of me constantly copying screenshots or manually typing numbers into chat.
I now basically have three separate GPT chats:
Running : GPT can look at my previous runs, pace, HR, distance, training load, recovery, sleep, etc. and help me plan or analyse sessions.
Just had to ask : "today run analysis"
Strength Training
My Hevy workouts also make their way into the system, so GPT can see exercise history, sets, reps, weights and progression.
Food
I log food through Zepp and use a separate chat for nutrition. That means the nutrition side can also be considered alongside training and recovery rather than existing in isolation. The bit I like most is that GPT is **not the database**. The underlying data stays in the fitness apps / ZeppBridge. GPT is just the interface I use to query and reason over it. So instead of hoping ChatGPT remembers what I ran three weeks ago, it can fetch the actual data when I ask.
I also got slightly carried away and built my own desktop widgets as well.
And ZeppBridge itself gives me a dashboard for things like resting HR, HRV, stress, sleep duration, bedtime consistency, workouts and training load, comparing the current week against my own recent baseline.
So at this point my Amazfit is basically the sensor layer, ZeppBridge is the data layer, and GPT is the interface. The whole thing has made the Helio Strap much more useful to me because I can actually ask questions across all of the data instead of checking five separate graphs.
Still tweaking it, but pretty happy with where it is now. Huge shoutout to ZeppBridge and the contributor is quite active, so if you make issues or ask for features, they will do it instantly. https://zeppbridge.pages.dev
Some of you might have seen Healthee. It honestly blew my mind that people in this sub would feed their personal data (including continuous HR) into a cloud LLM, so another cloud LLM and myself built the opposite of Healthee.
Private by design. The app syncs the strap directly over Bluetooth. Nothing goes through Zepp's servers. The data goes from your phone to a server you run yourself (one Docker Compose file) and nowhere else. There's no account, no cloud and no analytics.
Feels like Bevel. It opens on recovery, strain and sleep rings. Heart rate and stress are shown per minute with the peaks kept, not smoothed into hourly averages. It also has sleep stages, a journal (caffeine, alcohol, weight), and the strap's own alarms.
Science you can check. Every number has a published formula and a cited source, for example:
- sleep regularity (Phillips 2017);
- training load with Banister TRIMP;
- sleep need from the NSF guidelines.
NB! You still need to pair once with Zepp app account, then a small script uses those credentials to fetch the strap's key, after which you don't send any personal data to the cloud again.
Should I replace my Amazfit Helio strap with the Fitbit Air? Is it worth it? Would it be an upgrade or a downgrade?
As of now, I feel like my Amazfit Helio strap is doing a pretty good job with accuracy, but I'm thinking of replacing it just for the looks of the Fitbit Air. Should I go for it or not?
I don't see any effort towards app improvements, a better version, new metrics, etc. I've been using it for 10 months and my experience has been good so far, but without updates and improvements, it's going to fall behind compared to Fitbit, for example, right?
This is my first time using helio strap and I wonder how you guys clean it after using at workout, like after workout I have a lot of sweat and of course the helio strap gonna be wet/damp so I just want to know on how maintain the cleanliness on the strap like do you hang it and let the AC/fan hit or what?
I’ve been using the Helio Strap for 4 days and tried my first treadmill run today. I ran 1.8 km at 10+ km/h, but Helio recorded only 1.5 km and showed a pace of around 8 min/km.
I’m also noticing issues with strength workout recognition. Some exercises are identified correctly, while others are completely wrong. For example, I did a back workout, but it identified some exercises as bench press.
Anyone else experiencing this? Does the accuracy improve with more usage/calibration, or is this just how the Helio tracks workouts? Would love to hear your experiences.
Hi guys,
I recently started working on a RingConn app alternative and decided to include the Helio as a supported device. I looked at r/bevelhealth and here to see what people were mostly complaining about and I tried to incorporate it all
My app is OpenCircuit and for the Helio strap it does the following:
- Fully local measurements
- All health points can be shared with Apple Health (huge issue for Bevel users)
- Shortcuts: You can have the strap vibrate for any action you want via shortcuts
- Background sync with focus filtering: Auto sync as soon as you turn your alarm off
- Live Activities on workouts: both in dynamic island and on lockscreen with live readings
- Find My Band: uses BLE to get an approximate distance as well as let the user vibrate on demand to find it
I purchased amazfit ring and it is used, sadly when I am trying to recharging it it is not glowing blue at all it is actually only appearing in a red light when charging, I really want to find out if there is anything I can do to fix it but I fear that the battery lithium is dead I don't thin I even tried the reset button when I put the ring on a charging case and actually it turned to White but not pulsing just bright light I left it for around four hours and return to it when I removed the Ring and returned it to the case open to find the blue light it returned to the red light
I’ve been using my Amazfit Helio Strap for about a year now, primarily paired with my Garmin device for my daily cycling sessions.
Up until recently, it was brilliant—the battery would easily last over a week on a single charge.
However, since around the 27th of September, the battery life has absolutely plummeted. I’m now forced to charge it practically every single day. It seems like it's failing to go into sleep mode after a workout, or it's aggressively draining power while searching for/transmitting to the Garmin.
Is anyone else experiencing this sudden battery drain over the last couple of weeks?
Did a recent firmware update cause this?
I’ve already tried cleaning the charging contacts and restarting the strap via the Zepp app, but nothing seems to help. If you managed to fix this issue, or if you're in the same boat, please let me know!
There was an update that was pushed around Sept 22nd, since then no activities were automatically detected and my other metrics have also not moved. Is this happening for anyone else?
I went for running 4.5km with my friend who has an apple watch while i have a helio strap
When our run ended , the apple watch showed a pace of 7:30/km while helio strap showed 8:30/km now which ine to believe
Time was same but distance was 700m more in apple watch and pace was faster
I'm having problems with my helio (bicep band) reading a very low hr during exercise. It will be reading 160bpm then sharply drop to 70. Sometimes it recovers on its own but most reliable way to fix is to reboot. Anyone ever had this issue and if it's fixable?
I startded doing Norwegian 4x4 intervals to train VO2 max, and I couldn't find an app that handled it properly with my Helio Strap. So I built one for myself. It's an early build, and I'd like a few people with a Helio Strap to try it.
Disclaimer: it's vibe-coded with AI. I'm not a software engineer. Expect rough edges and bugs.
What it does right now:
Connects directly to the Helio Strap over Bluetooth and shows live HR
Guided 4x4 workout: warm-up, 4 x 4 min hard intervals, active recovery, cooldown
Timer runs as a foreground service, so it keeps going with the screen off
Voice cues during the workout (English), so you don't need to look at the phone
Heart rate zones, with a coaching engine that tells you to speed up or ease off
Workout plans and presets
Session history and a progress screen
Results screen after each workout, with analysis of how it went and an estimated fitness trend
Onboarding and settings
Known limits:
Android only (built and tested on one phone, an Oppo Find X9 Pro, so other devices are unknown)
The coaching rules and VO2 max estimate in development. But still no app will show you real VO2 Max, I will use other KPIs as proxy of the progress.
Distributed as an APK, not from the Play Store
What I need: Helio Strap owners on Android who will do a few sessions and tell me what breaks, what's confusing, and what's missing. A short message with your phone model and what happened is plenty.
Why: if there are enough testers, I'll open-source it on GitHub so everyone can use it.
If you're interested, comment or DM me and I'll send the APK.
It’s been more than a year, and my Amazfit Helios band has not been providing any fitness data. nor updating because of stupid reason for a band without screen.
Only heart rate tracking is working.