Pulse & Plate

Best Fitness Smartwatches

The best fitness smartwatches for 2026, matched to your phone and your training — with battery, GPS and sensor honesty.

By Stephen V.Last updated How we research

For most people shopping for a fitness smartwatch, the Apple Watch SE 3is the best overall choice — provided you carry an iPhone. It runs the full watchOS app library, has accurate built-in GPS, and now adds an always-on display and sleep apnea notifications, all at the lowest price Apple charges. Be clear on what it drops to hit that price: there is still no ECG and no blood-oxygen sensor, and like every Apple Watch it needs nightly charging and an iPhone to work at all.

Your phone often decides the rest. Runners who want serious training data and multi-day battery should look at the Garmin Forerunner 165, which brings a bright AMOLED and built-in GPS to Garmin’s entry tier with no subscription. Android users have two strong paths: the Samsung Galaxy Watch9 is the most complete Wear OS option, with dual-band GPS and ECG, while the Google Pixel Watch 5 pairs a gorgeous screen with deep Fitbit health tracking and, at last, more than a day of battery. And if battery anxiety is your real problem, the budget Amazfit GTR 4runs up to two weeks on a charge with dual-band GPS. Full write-ups are below, then a buyer’s guide to match a watch to your phone and your training.

How this is funded: we earn a commission if you buy through our links, at no extra cost to you. It never changes which product we recommend, and we’ll tell you when we’d skip one. Full disclosure.

Picks at a glance

Ranked on published specs, footprint and buyer fit. Select a row to jump to the full write-up. We have not tested these ourselves — here is exactly what we do instead.

#ProductBest forPrice
1
Apple Watch SE 3

Apple Watch SE 3

The cheapest way into watchOS finally gets an always-on screen, sleep apnea alerts and fast charging — it still leaves out ECG and blood oxygen.

Best overall
$239.00 · View on Amazon

Price as of September 6, 2026. #ad How we’re funded

2
Garmin Forerunner 165

Garmin Forerunner 165

A focused running watch that finally brings an AMOLED screen and built-in GPS to Garmin's entry tier, with no subscription required.

Best for runners
$199.00 · View on Amazon

$249.9920% off

Price as of September 6, 2026. #ad How we’re funded

3
Samsung Galaxy Watch9

Samsung Galaxy Watch9

The most complete Wear OS watch: a 3,000-nit screen, dual-band GPS and Samsung's full sensor stack — still about a day of battery, and ECG needs a Galaxy phone.

Best for Android
$379.99 · View on Amazon

Price as of September 6, 2026. #ad How we’re funded

4
Google Pixel Watch 5

Google Pixel Watch 5

The Wear OS watch that finally stopped being a one-day watch: up to 40 hours on the 45 mm, with Fitbit's deepest sleep and health tracking.

Best Wear OS
$429.99 · View on Amazon

Price as of September 6, 2026. #ad How we’re funded

5

Amazfit GTR 4

Remarkable battery and dual-band GPS for a budget smartwatch, though the Zepp software and third-party app support trail the big names.

Best battery value

The picks in full

#1Best overall

Apple Watch SE 3

The cheapest way into watchOS finally gets an always-on screen, sleep apnea alerts and fast charging — it still leaves out ECG and blood oxygen.

Strengths

  • Always-on Retina display, new to the SE tier
  • Sleep apnea notifications plus wrist temperature sensing
  • Fast charging — up to 80% in about 45 minutes

Trade-offs

  • Still no ECG app and no blood-oxygen sensor
  • About 18-hour battery, and it needs an iPhone
Battery lifeUp to 18 hrs (up to 32 hrs Low Power Mode)
ChargingUp to 80% in about 45 min
GPSBuilt-in L1 GPS
Heart rateSecond-generation optical heart sensor
ECG / SpO2Not available on SE
HealthSleep apnea notifications + wrist temperature sensing
DisplayAlways-On Retina OLED, up to 1000 nits
RequirementsRequires iPhone; 50m swimproof (WR50)

Worth knowing. The first SE with an always-on display, in 40 mm and 44 mm cases.

Specs read from the product listing, on August 25, 2026. “Not published” means the maker does not state that figure.

#2Best for runners

Garmin Forerunner 165

A focused running watch that finally brings an AMOLED screen and built-in GPS to Garmin's entry tier, with no subscription required.

Strengths

  • Built-in GPS paired with a vivid AMOLED display
  • Strong running metrics and training plans, no subscription
  • Up to 11-day smartwatch battery

Trade-offs

  • Base model has no onboard music storage (needs the 165 Music edition)
  • Lacks the advanced multisport tools of pricier Forerunners
Battery lifeUp to 11 days smartwatch / up to 19 hrs GPS
GPSBuilt-in GPS (all-systems GNSS)
DisplayAMOLED touchscreen
Heart rateWrist HR + Pulse Ox (SpO2)
Water rating5 ATM
SubscriptionNone — Garmin Connect is free

Specs read from the product listing, on July 19, 2026. “Not published” means the maker does not state that figure.

#3Best for Android

Samsung Galaxy Watch9

The most complete Wear OS watch: a 3,000-nit screen, dual-band GPS and Samsung's full sensor stack — still about a day of battery, and ECG needs a Galaxy phone.

Strengths

  • Dual-frequency (L1+L5) built-in GPS
  • ECG, SpO2, skin temperature and BIA body composition
  • 3,000-nit Super AMOLED on Wear OS 7 / One UI 9 Watch

Trade-offs

  • Roughly one-day battery life
  • ECG requires a paired Samsung Galaxy phone (blood pressure unavailable in the US)
Battery390 mAh (40mm) / 445 mAh (44mm) — about a day
GPSBuilt-in dual-frequency GPS (L1+L5)
Heart rate / ECGBioActive sensor + ECG (US, needs Galaxy phone)
Blood oxygen / tempSpO2 + skin temperature
DisplaySuper AMOLED, up to 3,000 nits peak
Water resistance5 ATM + IP68 (MIL-STD-810H)
PlatformWear OS 7 / One UI 9 Watch

Worth knowing. Cushion-shaped case in 40 mm and 44 mm, on the Snapdragon Wear Elite platform.

Specs read from the product listing, on August 25, 2026. “Not published” means the maker does not state that figure.

#4Best Wear OS

Google Pixel Watch 5

The Wear OS watch that finally stopped being a one-day watch: up to 40 hours on the 45 mm, with Fitbit's deepest sleep and health tracking.

Strengths

  • Up to 40 hrs on the 45 mm (30 hrs on the 41 mm) with the display always on
  • Google ECG app, SpO2 and far-field skin temperature sensing
  • Domed Actua 360 AMOLED at up to 3,000 nits

Trade-offs

  • Android-only, and some insights still require Fitbit Premium
  • Priced above the Wear OS competition
Battery life45mm: up to 40 hrs (72 hrs Battery Saver); 41mm: up to 30 hrs (48 hrs)
Battery465 mAh (45mm) / 332 mAh (41mm)
GPSDual-frequency GPS, Galileo, GLONASS
Heart rate / ECGMulti-path optical HR + Google ECG app (US)
Blood oxygen / tempSpO2 (red + infrared) + far-field skin temperature
DisplayActua 360 AMOLED LTPO, up to 3,000 nits
Water resistance5 ATM + IP68
PlatformWear OS 7; Fitbit metrics (some need Premium)

Worth knowing. Domed Actua 360 display in 41 mm and 45 mm, with 64 GB of storage.

Specs read from the product listing, on August 25, 2026. “Not published” means the maker does not state that figure.

#5Best battery value

Amazfit GTR 4

Remarkable battery and dual-band GPS for a budget smartwatch, though the Zepp software and third-party app support trail the big names.

Strengths

  • Up to 14-day battery with built-in dual-band GPS
  • Large 1.43-inch AMOLED, no subscription
  • SpO2, built-in Alexa and 150+ sport modes

Trade-offs

  • Zepp ecosystem has limited third-party apps
  • No ECG and no contactless payments in the US
Battery lifeUp to 14 days (typical use)
GPSBuilt-in dual-band GPS (6 satellite systems)
Heart rateBioTracker HR + SpO2
Display1.43 in AMOLED
Water resistance5 ATM
SubscriptionNone (Alexa built-in)

Specs read from the product listing, on July 19, 2026. “Not published” means the maker does not state that figure.

How to choose a fitness smartwatch

Unlike a simple band, a smartwatch is a small computer on your wrist — which means your phone, your battery tolerance and your sensors matter more than the step count.

Your phone comes first

This is the single biggest filter. The Apple Watch SE 3 only works with an iPhone. The Pixel Watch 5 and Samsung Galaxy Watch9 are Android-first, and the Galaxy’s ECG needs a paired Samsung phone. Garmin’s Forerunner 165 is the neutral option that works well with either. Buy the watch that matches the phone in your pocket.

Battery: a day or a week?

The Apple and Samsung watches here last roughly a day, so they charge nightly and can miss sleep tracking if you forget; the Pixel Watch 5 now stretches to 30 hours on the 41 mm and 40 hours on the 45 mm. Garmin and Amazfit go one to two weeks. If overnight data or fewer charges matter, weight your choice toward battery life.

Sensors and honest health claims

Match the sensors to what you will actually use. Only some of these do ECG — the Samsung Galaxy Watch9 and Google Pixel Watch 5 — while the Apple Watch SE 3 and Amazfit GTR 4 do not. Even where present, wrist ECG, SpO2 and sleep readings are wellness features, not medical diagnostics. If heart monitoring is your priority, see our best health-monitoring wearables.

Training depth vs smart features

Decide what the watch is for. Garmin leans toward training — structured workouts, recovery and running metrics. Apple, Samsung and Google lean toward smart features — apps, calls, payments and notifications — with capable but less specialized fitness tools. Our Apple Watch vs Garmin comparison digs into that split, and if you want the slim-band alternative, start with the best fitness trackers.

Small things worth adding

Inexpensive extras that pair with the picks above. They do not change any recommendation on this page — they are just the things that tend to get bought second.

  • CooSpo H808S Heart Rate Monitor Chest Strap

    CooSpo H808S Heart Rate Monitor Chest Strap

    If you train intervals, the cheapest real upgrade to any watch here is not a better watch — it is pairing the one you have with a chest strap. Dual ANT+ and Bluetooth covers both watch and bike computer.

    $36.99 · View on Amazon

    Price as of September 6, 2026. #ad How we’re funded

Frequently asked questions

Which fitness smartwatch is best for iPhone vs Android?

iPhone owners are best served by the Apple Watch SE 3, which needs an iPhone to work. Android users should look at the Samsung Galaxy Watch9 or Google Pixel Watch 5. Garmin's Forerunner 165 is the phone-neutral pick and pairs well with either iPhone or Android.

How long do fitness smartwatch batteries last?

It varies a lot. The Apple and Samsung watches here typically last about a day and need nightly charging, while the Pixel Watch 5 is rated up to 30 hours (41 mm) or 40 hours (45 mm). Garmin and Amazfit models stretch to roughly one to two weeks. If you want reliable overnight sleep tracking without daily charging, favor a longer-lasting watch.

Do fitness smartwatches have ECG and blood oxygen?

Only some do. The Samsung Galaxy Watch9 and Google Pixel Watch 5 include an ECG app in the US; the Apple Watch SE 3 and Amazfit GTR 4 do not. Where present, ECG, SpO2 and similar readings are for general wellness, not medical diagnosis.

Is a fitness smartwatch or a fitness tracker better?

A smartwatch offers apps, calls, payments and a larger screen but usually lasts about a day. A tracker is slimmer, cheaper and lasts far longer while focusing on activity and sleep. Choose based on whether you want a wrist computer or a low-key activity band.

Sources

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