Comparison Guide

Fitbit Air vs Whoop 5.0 vs Amazfit Helio: The Ultimate 2026 Comparison

Three screenless fitness trackers, three very different philosophies — and only one is right for you. With the Fitbit Air dropping on May 26, 2026, the no-screen wearable category has never been more competitive, and choosing between the Fitbit Air, Whoop 5.0, and Amazfit Helio genuinely matters for your wallet, your wrist, and your training.

We've pulled together every meaningful spec, dug into real-world considerations, and built the most thorough three-way comparison you'll find anywhere. Whether you're a serious athlete, a health-conscious everyday wearer, or someone looking to ditch an overpriced subscription, this guide has the answer.

What Are These Devices?

Before the numbers, a quick orientation — because these three devices are aimed at subtly different audiences even though they occupy the same "screenless tracker" niche.

Fitbit Air is Google's reinvention of Fitbit: a 5.2g screenless pebble that clips onto interchangeable bands, tracks health 24/7, and delivers FDA-cleared AFib detection without charging you a subscription. It launched May 7, 2026, at $99.99 (£84.99 in the UK), ships May 26, and is powered by the Google Health app with optional Gemini AI coaching for $9.99/month.

Whoop 5.0 is the gold standard for serious athletes who want granular recovery and strain data. There's no upfront device cost, but you're paying $199/year (or $359/year for the Medical Grade tier that adds AFib detection). Whoop has built a devoted following among CrossFitters, NFL players, and endurance athletes who live by their recovery scores.

Amazfit Helio sits at roughly the same $100 price point as the Fitbit Air but takes the opposite approach to the ecosystem: standard 22mm lug width, no subscription, and a wide-open strap market. The Zepp app is less polished than Google Health, but there's no recurring cost ever — and EverythingStraps has built an entire range of accessories around it.

The Fitbit Air pebble: 8.3mm thin, 5.2g, and available in four colours including Obsidian and Lavender.

The Full Comparison Table

Deep Dive: Fitbit Air

Google has done something genuinely surprising with the Fitbit Air: packed a credible health-monitoring platform into a 5.2g pebble that costs less than a nice pair of running shoes. The device clips into interchangeable bands via a proprietary mechanism — the Performance Loop is included, and Active Band (silicone) and Elevated Modern Band (premium material) are sold separately.

What makes the Fitbit Air stand out in this comparison is the combination of FDA-cleared AFib detection at no extra cost and Gemini AI coaching. With Whoop, AFib monitoring costs an extra $160/year on top of the base subscription. With Fitbit Air, it's included — for free — in the base $99.99 purchase price. That's a serious differentiator for anyone over 40 or with a family history of cardiac issues.

Battery life is 7 days with a genuinely useful fast-charge: 5 minutes plugged in gets you through a full day. The USB-C magnetic charger is a small quality-of-life win over Whoop's proprietary pack.

The Google Health app, launching May 19, 2026 — integrates AI coaching via Gemini and replaces the legacy Fitbit app.

Deep Dive: Whoop 5.0

Whoop is the tracker for people who want to go deep. The subscription model is its biggest weakness on paper — $199/year before you even look at the device — but the depth of recovery analytics, strain scores, and sleep coaching is still unmatched in this category. Whoop's HR sampling rate is approximately 52 times more frequent than the Fitbit Air, which translates to more accurate HRV and recovery data during intense exercise.

The proprietary band system has historically been Whoop's Achilles heel. You're locked into whatever bands Whoop sells — unless you use an EverythingStraps adapter kit, which lets you mount your Whoop sensor onto any Whoop-compatible band or bicep position. Whoop's battery life is 5 days, slightly behind the Fitbit Air's 7.

Whoop is best for: serious athletes, coaches, teams, anyone who wants maximum data granularity and is willing to pay a recurring cost to get it. If you're training for an Ironman or preparing for a CrossFit season, the extra data depth pays for itself in training decisions.

Deep Dive: Amazfit Helio

The Amazfit Helio is the quiet underdog. At roughly $100 with zero subscription, it offers 24/7 HR, HRV, SpO2, sleep tracking, and daily readiness scores — for the same money as one year's basic Whoop subscription or the Fitbit Air device alone. The Zepp app isn't as polished as Google Health or the Whoop app, but it covers all the fundamentals.

The big differentiator is the standard 22mm lug width. This means you can use literally any 22mm watch band on the market — and it's the reason EverythingStraps was built around the Helio. Our Whoop adapter kits, Bicep Loop V2, Classic wrist bands, and Stealth Band all work seamlessly with the Helio. If you want the best accessories ecosystem at this price point, the Helio wins.

The Fitbit Air is designed to disappear on your wrist — at 12g with band, you'll forget you're wearing it.

Who Should Buy Each Device?

The Band Ecosystem Problem — And How We Solve It

Here's the dirty secret of wearable tech: the device is only as good as the band you wear it on. Fitbit Air ships with a Performance Loop that's fine for most people, but athletes want options — silicone for swimming, nylon for all-day comfort, something logo-free for business meetings.

EverythingStraps has been solving this problem for Amazfit Helio users since day one. Now, we're launching a Fitbit Air × Whoop adapter that lets you mount your Fitbit Air pebble onto any Whoop-compatible strap — meaning SportsFlex for intense training, nylon for travel, and every other option the Whoop band ecosystem offers.

If you're currently a Whoop user migrating to the Fitbit Air, this adapter means you don't have to throw away your strap collection. Swap the sensor, keep the straps you love.

Final Verdict

In 2026, the screenless tracker category has genuinely matured. There's no bad choice here — but there is a right choice for your situation.

If you're new to screenless trackers and want the best combination of features, low weight, and no mandatory subscription: Fitbit Air. If you're a dedicated athlete who wants the deepest possible recovery data and has the budget for a yearly subscription: Whoop 5.0. If you want solid health tracking at the lowest total cost with the best accessory ecosystem: Amazfit Helio.

And whichever device you choose, EverythingStraps has the straps, adapters, and accessories to make the experience genuinely better.