Our verdict: The Amazfit Helio Strap ranks 8th of the 10 fitness trackers we compare, with 8.4 out of 10.
Amazfit Helio Strap
8.4/10
The Amazfit Helio Strap is a screenless band for 24/7 heart rate, sleep and recovery tracking, with gym-focused modes. It suits people who want Whoop-style data without a subscription and don't need a display.
Strength tracking for reps and sets, plus a HYROX Race mode
Broadcasts heart rate to other devices and comes with a 22 mm wide nylon strap
Keep in mind
No screen, so everything is read in the Zepp app
No built-in GPS
Owners report step counts that can be off
The Zepp app is less polished than Garmin's or Fitbit's
Why the Amazfit Helio Strap scores 8.4
Each bar shows where it places among the 10 fitness trackers in this guide, so a full bar is 1st of 10. How happy owners are counts for most of the score.
How happy owners are7th of 10
How many rated it7th of 10
How new it is4th of 10
Level with the Google Fitbit Air
The Google Fitbit Air and the Amazfit Helio Strap score the same, so either is a safe pick. The Google Fitbit Air goes first because it is the newer design.
About the Amazfit Helio Strap
The Helio Strap has no screen. All data is read in the free Zepp app on iPhone or Android. It tracks heart rate, sleep stages, blood oxygen, stress, steps, calories and active minutes. It also reports BioCharge, an energy score similar to Garmin's Body Battery, and after workouts it gives VO2 max, training load, training effect and recovery time (Active Gear Review).
For the gym, it has strength tracking for reps and sets and a HYROX Race mode, alongside sports modes such as running, cycling, walking, yoga and weights. It has no built-in GPS and no start button. It can also broadcast heart rate to other devices. Core stats need no subscription.
The band is black nylon, 22 mm wide, on a quick-release fitting, and fits wrists from 145 to 205 mm. Amazfit lists up to 10 days of battery. Active Gear Review saw about 7 days in its own use and a recharge in under 2 hours on the USB-C magnetic charger. The box holds the strap, a charging cable and instructions.
What owners report about the Amazfit Helio Strap
Owners like how light and comfortable it is, and some wear it day and night. Battery life gets steady praise: owners report roughly a week to two weeks per charge, and forum users say the 10-day claim holds even with blood oxygen and heart rate broadcast switched on. The Zepp app is called easy to use, the sleep and activity insights get credit, and the vibration alarm is described as a gentle wake-up. Many see it as good value, and some found step counts close to another counter.
The complaints are more serious. Several owners say their strap stopped charging or connecting within a few months, and one reported a damaged band after three months. Owners describe customer service as hard to reach, with slow warranty replacements. Others say the nylon band picks up odor, it feels bulky under long sleeves, and it fits tight on larger wrists. A few miss a physical button or GPS, and a few dislike having no way to see the time. One owner reported skin irritation.
Who the Amazfit Helio Strap suits
It fits gym-goers and anyone who wants sleep, recovery and strain data on a screenless band with no monthly fee. It also suits people who find a watch screen distracting at night.
Look elsewhere if you want the time, notifications or GPS routes on your wrist: the Amazfit Active 2 or Garmin vívoactive 6 cover that. If you want a screenless band from a company with a bigger app ecosystem, consider Polar Loop, Garmin Cirqa or Google Fitbit Air. Given the reports of units failing and slow support, weigh that before buying.
Questions about the Amazfit Helio Strap
Is the Amazfit Helio Strap waterproof?
It is water-resistant. Active Gear Review lists a 5 ATM rating, which covers swimming and heavy rain.
Can you replace the band on the Amazfit Helio Strap?
Yes. Amazfit says any 22 mm quick-release band works, per Target's listing. The strap that comes with it is 22 mm nylon.
Does the Amazfit Helio Strap have a HYROX mode?
Yes. It has a HYROX Race mode, plus strength tracking for reps and sets.
Does the Amazfit Helio Strap have a screen?
No. You read everything in the Zepp app, and the strap can't show the time. If you want that, an Amazfit smartwatch is the better pick.
Does the Amazfit Helio Strap work with iPhone and Android?
Yes. It works with both through Bluetooth and the Zepp app.
How long does the Amazfit Helio Strap take to charge?
Under 2 hours from empty, according to Active Gear Review. It charges through a USB-C magnetic puck.
Other fitness tracker picks
The other badge winners in our fitness trackers ranking.
Every score here comes from our ranking model; no editor sets the order. We haven't read the review sites for this guide yet, so for now it is led by owners. It ranks products by how happy owners are, holding back any product few owners have rated until more agree. How many rated it and how new it is only settle close calls, and value for money earns its own badge rather than a higher place. We compared 15 models for this guide before settling on these ten.
Brands can't pay to be included or to move up. We last checked these picks in November 2026.
