Deep Dive Digest #19: Garmin CIRQA at $199, Three New Reviews & What Google Just Admitted About Fitbit Air
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Six months of leaks, app code analysis, trademark filings and retailer listings have produced a reasonably clear picture of the Garmin CIRQA. The price has leaked at $199 and the actual device could be launched later today. The form factor is confirmed as screenless but many AI mockups have confused details of actual appearance but we finally have the correct ones (below).
A Canadian trademark filing lists a feature that would place it ahead of Whoop on at least one capability. What remains unknown is the full sensor suite and exactly when it ships. The consolidation piece on site is the most complete account of what CIRQA is likely to be ahead of a launch the site expects as soon as this week.
Google has confirmed two bugs in the Fitbit Air that affected accuracy results reported on this site. That is a meaningful concession and changes the interpretation of some earlier test findings on several review sites. Separately, Garmin’s next generation sensor roadmap is taking shape: Muscle Battery, the trademarked SmO2 capability, now has a clearer hardware timeline for 2026 and beyond. Apple is developing a smart ring: the sourcing behind the rumour is examined and the details are thinner than the headlines suggest.
Three new reviews are on site. The Fourth Frontier ZONE ECG chest strap produced seven concerns and six genuine advantages in testing and remains a device for a specific athlete in a specific situation. The hDrop Gen 2 sweat sensor measures sweat rate and sodium loss accurately once calibrated, but getting there requires patience the product does not make easy. The Kineon MOVE+ laser and LED red light therapy (RLT) device replicated every result from a previous comparable test. RLT therapy works.
Elsewhere: Suunto’s July update lifts on-watch route storage to 200 routes with richer map detail, a meaningful improvement for trail runners and navigators. Open SuuntoPlus has 40 community-built apps three months after the platform opened to all developers.
Garmin CIRQA: What We Know and What to Expect
Six months of leaks, backend queries, app code analysis and trademark filings have produced an unusually complete picture of an unannounced product. This article separates confirmed facts from what the platform and evidence suggest will follow.
Kineon MOVE+, Strap 3.0 Review: Laser and LED Red Light Therapy Tested
Kineon supplied a MOVE+ and it replicated every result the PRUNGO FluxGo produced. The therapy is the same. The mounting hardware is not, and mounting hardware is what decides whether a red light therapy device gets used daily.
Suunto July Update: 200 Routes and Richer Maps
Suunto’s July software update for the Race 2 and Vertical 2 lifts on-watch route storage from 15 to 200 and adds contour shading, map layer controls, tides and a vertical gain training target. Navigation is the clear focus.
Frontier ZONE Review: ECG Chest Strap for Athletes ❌ 7 cons ✅ 6 pros
A man in his fifties collapsed during a half marathon in 34-degree heat. The Fourth Frontier Zone is built for exactly that scenario. Tested across five sessions with real bias and limits-of-agreement data, plus ECG, ST segment strain, and ventilatory zone analysis.
Strava race discovery: Runna races now inside the app
You can now search for races inside Strava, using Runna’s database. Filter by distance, elevation and temperature, then get a plan built around the day you entered. The bigger prize is what the whole ecosystem does after you sign up.
Open SuuntoPlus: 40 Apps: Credible after Three Months
Three months after Suunto opened SuuntoPlus to all developers, more than 40 community-built apps are in the store. A look at the best of them and how the platform compares to Garmin Connect IQ and Apple Watch.
Fitbit Air: Google Confirms Two Unusual Bugs
Google has told me two of my Fitbit Air accuracy findings were hit by bugs in the Air’s TCX export. Both are now fixed. Here is what changes and what does not.
hDrop Review: useful & accurate sweat rate sensor: major usability issues
The hDrop Gen 2 measures sweat rate and sodium loss accurately once calibrated. Getting there requires navigating a workflow the app does not explain clearly. Eleven sessions across cycling, running, and HYROX tested.
COROS June 2026 update: heart rate recovery, battery health, AllTrails integration
COROS’s June 2026 update brings automated heart rate recovery tracking, a battery health diagnostic page, and a direct AllTrails integration to most current watches. Here is what each feature does and which devices get it.
Stryd running pod: sales, users and subscribers estimated
Google Trends shows searches for running power rose significantly from July 2025. This article works through the public data to estimate how many Stryd running pod owners there are and what that implies for subscriber numbers. Challenge the workings in the comments.
Garmin next gen sensors: 2026 onwards
Garmin trademarked Muscle Battery in early 2026, and the metric needs hardware Garmin does not yet sell. A look at which sensors Garmin could realistically launch next, from muscle oxygen and hydration to the biochemical frontier it will leave to others.
Apple Watch Price Rises Skipped. September the Real Test
Apple raised prices across its lineup on 25 June and blamed the memory shortage. The Watch was spared, because it barely uses memory. The real Watch pricing decision comes in September, and it has nothing to do with the shortage.
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Last Updated on 21 July 2026 by the5krunner
My favourite kit and nutrition
- Injinji – Runners protect your toes. Avoid discomfort and minor injury. Run more. Run faster. I use them.
- Garmin 90-degree charging adapter — The small adapter that keeps your charging cables tidy. Essential for race day. I use one.
- Garmin charging puck — the fastest and most reliable way to top up your Garmin before a session. I use one.
- Ravemen FR300 — Front light that mounts directly under your Garmin or Wahoo head unit. Keeps your bars clean and your beam pointed where it matters. I use one.
- Body Glide – The blue anti-chafe stick that all swimmers and many runners use. I use it.
- Maurten — The race nutrition trusted by elite athletes. Gels and drink mixes engineered to be easy on the stomach. I use them.
- Garmin Varia RTL515 — A radar rear light that alerts you to vehicles approaching from behind. Pairs with your Edge or Garmin watch. I use this model.
- Favero Assioma Pro RS2 — The power-meter pedals most serious cyclists choose. Accurate, easy to move between bikes. I use this model.
- Garmin Forerunner 970 — A serious choice for a pro-grade triathlon watch. I use this.
- Polar H10 — My daily driver for accurate, waking HRV readings.
- Wahoo ELEMNT Roam 3 — The bike computer that has the feature Garmin lacks: usability. I use mine on most rides.
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tfk is the founder and author of the5krunner, an independent endurance sports technology publication. With 20 years of hands-on testing of GPS watches and wearables, and competing in triathlons at an international age-group level, tfk provides in-depth expert analysis of fitness technology for serious athletes and endurance sport competitors. ID
Just watched the offical Garmin Cirqa trailer on YT….still looks meh with its E4 sensor.