Battery life
Reviewers got good battery life out of it.

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Garmin has acknowledged the lost activities and offered a workaround that means resuming a session you have already finished.
Read the story →What 6 reviewers said
More reviewsReviewers got good battery life out of it.
Comparison
Compare fitness trackersCost over 3 years
$199.99 → $409.99
Device price plus three years of subscription, where one applies.
Weight
15g
Grams on your wrist. Lower is lighter.
Battery life
~10 days
How long it lasts on its own, away from a charger.
Garmin Connect+ costs $5.83 a month, billed $69.99 a year. It is optional. Over 3 years that is $210.
Daily AI suggestions built from your own data, coaching videos, live workout stats on your phone, and more detailed dashboards.
Google Health Premium costs $9.99 a month. It is optional. Over 3 years that is $360.
A Gemini health coach, training plans that adjust as you go, and deeper sleep analysis. It is included if you already pay for Google AI Pro.
WHOOP One costs $16.58 a month, billed $199 a year. It is required to use the product. Over 3 years that is $597.
Everything. The membership is how you get the band, and the app is the only place your data appears. Peak costs $239 a year and adds the stress and health monitors.
WHOOP Life costs $29.92 a month, billed $359 a year. It is required to use the product. Over 3 years that is $1077.
The MG hardware itself, plus the ECG and the heart screening that belong to this tier rather than to the band.
DeviceSubscription
The tracker as worn, without a charger.
Battery life can vary based on usage, settings and firmware version.
If not this one
Garmin Cirqa Smart Band is our pick for fitness, sleep and recovery. Where it does not lead, here is what does, and why you would switch.
It tracks your heart rate, blood oxygen and skin temperature, and warns you about an irregular rhythm.
An ECG sensor takes a reading and warns you about an irregular rhythm.
Quick answers
All FAQsReviewers got good battery life out of it.
Scores published by other outlets, normalized and averaged. iDevice did not test these products for this score.
Reviewer breakdown
Liked itDidn’t
THIS PRODUCTGarmin Cirqa
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Frequently asked questions
A Fenix 8 that drains fast may have its screen stuck at full brightness indoors. Tapping it or pressing a button resets it until Garmin's update lands.
The Enduro 4 asks $100 more than the Enduro 3 for 64 GB of storage and ultra-running software. The case, screen and battery figures stay the same.
Storage doubles to 64 GB and the software adds ultra-running tools. The case, screen and 90-day solar battery match the Enduro 3.
Lost heart rate on a Fenix 8 after updating is probably software, and a 90-second power-off fixed it for some owners.
Garmin confirmed it bought Moxy Monitor but shared nothing else. Gadgets & Wearables ties the deal to the unannounced Muscle Battery feature, which needs a sensor on the muscle, not the wrist.
It's the Venu 4 only for now, and the alert needs your phone nearby to send. Voice control and new running plans reach more Garmin watches in the same update.
Garmin has acknowledged the lost activities and offered a workaround that means resuming a session you have already finished.
An EAEU conformity declaration lists both watches by name, and the same document carried the fenix 9 a month before Garmin announced it.
Two Garmin Connect builds name a Pro version of the screenless Cirqa band. Tutorial text beside it describes a second button, a volume control and stats read aloud.
Ten variants under one Brazilian certificate is a size range, and it puts Garmin's unannounced ring between the current Oura and the one before it.
Garmin is sending Epic, the Stamina features, rowing power and rucking support back to the Fenix 8, Enduro 3, tactix 8 and Forerunner 970. What the older watches cannot have is the new mapping engine, because that one is silicon.
AMOLED is standard across the Fenix line now and the Pro body is all titanium, but the entry price is four figures.
Everything pointing at the Fenix 9 comes from a retailer leak and an FCC filing, not from Garmin.
Garmin has not announced a ring, and the entry came down once people noticed it.
Eighteen configurations went up at a Czech shop two days before Garmin's event. The Fenix 8 Pro kept satellite hardware in the big cases.
Garmin’s $200 screenless band carries the same sensor set as a Whoop. Two weeks in, Dana Wollman was not convinced Garmin understands the category.
The radios do phone-free calls and satellite messages. Garmin sealed the photos until 2027, and the Fenix 8 took thirteen days from filing to launch.
Fitness revenue jumped 25% and the $199 Cirqa is on 5-8 week backorder.
Garmin sold the $199.99 Cirqa as the subscription-free Whoop alternative, then gated live heart rate behind Connect+, and is reversing after backlash.
Renders pulled from Garmin's own servers showed the screenless CIRQA in four colors days before it launched at $199.99 with no subscription.
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