Google Fitbit Air vs Whoop 5.0 vs Amazfit Helio — And Why Your Next Strap Should Be a Whoop Band
The screenless tracker showdown: Fitbit Air vs Whoop 5.0 vs Amazfit Helio Strap — and why swapping your stock band for a Whoop strap is the best upgrade you can make, whichever tracker you pick.
Screenless trackers have quietly become the smartest way to track training and recovery: no distractions, no notifications, just clean data. In 2026 the category comes down to three devices — the Google Fitbit Air, the Whoop 5.0, and the Amazfit Helio Strap. Here's how they compare, and why the strap you put them on matters more than most people think.
The three screenless trackers, compared
| Google Fitbit Air | Whoop 5.0 | Amazfit Helio Strap | |
|---|---|---|---|
| Price model | $99.99 one-time — no subscription required | Hardware bundled with a paid membership (from roughly $199/yr) | One-time hardware purchase, optional premium app tier |
| App | Google Health app | Whoop app | Zepp app |
| Weight | ~12 g | Ultra-light pod | Light pod, 22mm lugs |
| Battery | ~7 days | ~14 days | ~10 days |
| Strap ecosystem | Official straps from $35 | The largest band ecosystem in the category | Any 22mm strap |
Choose the Fitbit Air if you want the cheapest credible screenless tracker — it's the only one of the three where the $99.99 hardware purchase alone gets you full base functionality, with no membership needed. Choose Whoop 5.0 if you're all-in on its recovery coaching and don't mind the subscription. Choose the Amazfit Helio if you want the established budget option with proven heart-rate accuracy and standard 22mm lugs.
Why you should switch to Whoop straps — whichever tracker you own
Here's the part most buyers only realise after a few weeks: the stock band is the weakest part of every screenless tracker. Whoop has spent a decade building the best band ecosystem in the category, and with a small adapter you can use it on trackers that were never meant to have it.
- More styles than any official range. Whoop 5.0 bands come in dozens of colours, weaves, and materials. Compare that with a handful of official Fitbit Air straps at $35 apiece.
- Built for training. Whoop's knit bands are designed for sweat, chalk, barbells, and sleep tracking comfort — they dry fast and stay put.
- Quick swaps. The Whoop connector system makes changing bands a two-second job — gym band on, dress band off.
- Your bands survive your next tracker. Switched from Whoop to the Fitbit Air to escape the subscription? Keep every band you own. Moving between the Helio and the Fitbit Air? Same bands, different adapter.
How the adapters work
Our adapters clip onto your tracker's lugs and lock directly into the Whoop band connector. Tool-free, under 60 seconds, zero-play fit — and because the pod sits exactly where the stock band puts it, heart-rate accuracy is unaffected.
- Google Fitbit Air to Whoop 5.0 Adapter — $24.90. Our thinnest adapter yet. Holds all Whoop 5.0 band styles.
- Amazfit Helio to Whoop 5.0 Adapter — $24.90. Precision fit on the Helio's 22mm lugs.
- Amazfit Helio to Whoop 4.0 Adapter — $24.90. For the huge second-hand Whoop 4.0 band market.
- Helio × Whoop SportsFlex Lock Adapter — $24.90. For Whoop's sport-focused SportsFlex bands.
Bundle & save: any 2 adapters for $34.90, any 3 for $39.90 — mix and match across the range, applied automatically at checkout. Shop all Whoop adapters →
FAQ
Does an adapter affect heart-rate accuracy?
No. The adapter positions the sensor exactly as the stock band does.
Do I need tools?
No — every adapter installs tool-free in under 60 seconds.
Which Whoop bands fit the Fitbit Air adapter?
All Whoop 5.0 band styles and colourways.
I'm switching from Whoop to the Fitbit Air — can I keep my bands?
Yes. That's exactly what the adapter is for: keep the bands, skip the subscription.
Ships worldwide from EverythingStraps — the dedicated store for Google Fitbit Air and Amazfit Helio accessories.