Amazfit Helio Strap Call Alerts Arrive via OpenStrap App
An open-source Android app adds Amazfit Helio Strap call alerts and notification buzzes that Zepp leaves out. What OpenStrap does and what setup it takes.
Garmin Connect IQ 9.3: Watch Microphones Open to Third-Party Apps
Garmin's Connect IQ 9.3 lets third-party apps record and play audio on Fenix, Forerunner and Venu watches. What the wearables API allows and its limits.
COROS Dura 2 Solar Review: Huge Battery, $549 Price, Buggy Launch
The COROS Dura 2 Solar bike computer more than doubles the Dura's price to $549. DC Rainmaker's review finds long battery life but broken rerouting at launch.
Fitbit Air Health Guardian: BP and Insulin Trends Need Premium
Google Health 5.11 brings Health Guardian blood pressure and insulin resistance trends to Fitbit Air, behind Premium. What the features need and measure.
Oura Cardio Effort: Weekly Load Bands and Automatic VO2 Max
Oura Cardio Effort scores weekly cardio load against a personal baseline, and automatic VO2 Max needs no walking test. How Oura's new training metrics work.
Oura Sues Ultrahuman Again: What It Means for Ring Pro Buyers
Oura sues Ultrahuman over the redesigned Ring Pro with two new patents, one issued two days before filing. What smart ring buyers should know about the fight.
Garmin Connect API Reopens: Free Personal Access, Paid Enterprise
Garmin's revamped Connect API gives anyone free personal access to their own data and charges apps past 1,000 users. What changes for athletes and their apps.
Garmin Edge Explore 3 vs Explore 3 Plus: $399 or $499 for Voice?
Garmin's Edge Explore 3 and Explore 3 Plus add route options, beginner coaching and Plus-only voice control. What the extra $100 buys and who should pick each.
Garmin Edge 1060: What $100 More Buys Over the Edge 1050
The Garmin Edge 1060 adds voice control, a smaller case and new routing for $799. What changed from the Edge 1050, and which cyclists should wait.
Is Runna Free? What You Get Without Paying, and What It Costs
Is Runna free? Only Week 1 of any plan is. Runna's US prices, trial lengths and the Strava bundle math, so runners can decide whether to pay or use a free plan.
Strava Strength Workouts Give the Muscle Map Real Data at Last
Strava strength workouts now log every set live, so the muscle map shows what was actually done. What subscribers get, and what it still doesn't measure.
Garmin Fenix 8 Update 23.40 Fixes the Dead Heart Rate Sensor
Garmin Fenix 8 update 23.40 fixes the heart rate sensor failure from 23.39, but reached only 20% of watches at first. What broke, and what owners should do.
Suunto Race 3S: 38 Hours of Dual-Band GPS and a Paid AI Coach
Suunto Race 3S records 38 hours of dual-band GPS in a 56g watch, but costs $250 more than Race S and adds a paid AI Coach. What changed and who it fits.
Apple Watch on a Huawei Phone: Notifications Yes, Health Data No
An Apple Watch can now show calls and texts from a Huawei phone via a HarmonyOS app. What works, why health data stays on the iPhone, and who it suits.
Garmin API Terms: Why Intervals Pro Shut Down and Who's Next
New Garmin API terms limit how platforms pass on your data, and Intervals Pro has already shut down. Which apps and AI tools are at risk, and what still works.
Garmin MARQ Gen 3 Review: Fenix 9 Features at $2,500 and Up
The Garmin MARQ Gen 3 adds LTE, satellite SOS, a flashlight and a 3,000-nit display from $2,500. DC Rainmaker's tests, and who should pay over a Fenix 9.
Polar H10 Resonance Breathing: SYMPATHETIC Adds HRV and ECG
SYMPATHETIC is a free iPhone app that pairs Polar H10 resonance breathing with live HRV and ECG views. What it measures, its limits, and who it suits.
Fitbit Edge: The Charge 6 Successor Fixes GPS but Costs $179
The Fitbit Edge replaces the Charge 6 with working GPS, an altimeter and a swappable battery, but drops Google Pay and costs $179. Who should upgrade.
Garmin Enduro 4: Fenix 9 Smarts, Same $899, Same Battery Life
The Garmin Enduro 4 adds Fenix 9 software, more RAM and double the storage at the same $899, with unchanged battery life. Who should upgrade from Enduro 3.
Cala kIQ Plus: The First Wearable Neurostimulator With Multiple Waveform Modes Goes National
The FDA-cleared Cala kIQ Plus is now available across the US: the first wearable with multiple stimulation waveform modes for action hand tremor.
Mito's $249 Heart Scan: What a Coronary Calcium Score Actually Tells You
Mito Health now offers a $249 coronary artery calcium scan, which shows existing arterial plaque. Who the 2026 ACC/AHA guidelines say should consider one.
Peptide Medicine's Gray Market Is Closing. Here's What Comes Next.
The gray-market peptide ecosystem — BPC-157, TB-500 — is formalizing under regulatory pressure. What that shift means for biohackers who depend on it.
Best Outdoor Saunas: What to Know Before You Build (Site Prep, Foundation, and Hardwired 240V)
An outdoor sauna is a building project: site prep, foundation, a 240V circuit, and drainage come first. How to choose an outdoor sauna for your site.
Myostatin Inhibitors Can Build Bigger Muscles — But Not Stronger Ones
Myostatin inhibitor trials add muscle mass on MRI without gains in grip strength or walk tests. Peter Attia's four hypotheses for why size and function split.
Choose Your Home Sauna Heat System Before You Choose a Brand
Traditional, infrared, hybrid, and portable home saunas solve different problems. Why choosing the heat system before the brand avoids the costliest mistake.