Fitbit Air Arm Sleeve: Excellent Bicep HR Accuracy Confirmed

No Fitbit Air arm band exists yet. This is how I wear the Air pebble on…

Oura Ring 5 and Ring 4 Compared – Is It Worth It?

Oura Ring 5 vs Ring 4 compared on size, battery, sensors, price and features. The honest…

Google Health: Fitbit, We have a problem. A design problem.

A $99 screenless tracker has exposed the weak spots in Google's new Fitbit app. Google Health…

Vero: On-Device Recovery and Readiness Scoring for the Watch You Already Wear

Vero turns Watch data into daily Readiness, Recovery, Sleep, and Strain scores. On-device, no proprietary hardware,…

Fitbit Air – We Got A Problem – Cadence Lock

Fitbit Air produced cadence-locked HR during an indoor treadmill interval session, averaging ~157 bpm against a…

Fitbit Air vs Amazfit Cheetah 2 Ultra: Bike Sprint HR Test

The Amazfit Cheetah 2 Ultra returns ±3 bpm limits of agreement in a road bike sprint…

Amazfit Cheetah 2 Ultra: HR Accuracy in a HYROX Sim – plus SmO2 Sensor

The Amazfit Cheetah 2 Ultra was put through a HYROX simulation in a gym at 33°C.…

Amazfit HybridCharge vs Garmin Body Battery and Whoop

Amazfit's HybridCharge is the first mainstream readiness score to combine biometric sensor data with daily self-reported…

Zepp 10 – major app updates for Amazfit watch owners.

Amazfit has updated the Zepp app, replacing BioCharge and Readiness with HybridCharge, a score that combines…

Amazfit’s Answer to Garmin’s ClimbPro – any good on trail mode?

Amazfit's new Elevation Overview takes on Garmin ClimbPro in a trail run test at Wimbledon Common.…

HyCoach: What HYROX Race Data Reveals About Your Performance

HyCoach aggregates nearly a million HYROX performances across 350+ events and 30 countries. Search your name…

FORM Smart Swim 2 LT: Open Water SwimStraight Test

FORM's SwimStraight compass is meant to keep you swimming in a straight line without constant sighting.…

IoW Battery Test: Amazfit Cheetah 2 Ultra Hits 55hr Projection

A 100km Isle of Wight ride with the Amazfit Cheetah 2 Ultra alongside the Garmin Forerunner…

#0 The Deep Dive Fix Files: Week Ending 22 May 2026

The Deep Dive Fix Files founding archive covers ten documented Garmin issues with confirmed workarounds: FR970…

Why Gambling Companies Love Endurance Sports

Gambling companies are pouring money into marathons, cycling races and triathlons.

Oura Files for IPO as Sports Tech Listings Queue for Limited Funds

Oura Health has confidentially filed for a US IPO, targeting a listing later in 2026 with…

Strava’s Strength Push Is the Right Move. Getting the Data Right Is the Hard Part.

Strava has overhauled its strength training experience with a workout log, auto-populated muscle maps, and 14…

Garmin Connect+ Adds Discounts: What It Means for CIRQA

Garmin Connect+ now gives subscribers discount codes on Garmin hardware, confirmed on Garmin's support site. The…