Yes ECG App — 20 Smartwatches Compared

Decision table

Yes ECG App: which one for what?

The 20 models on this page are scored only against each other, for the use you pick. Scores come from the spec sheets; no price and no advertising go in.

What will you use it for? Health Tracking Sport & Outdoors Battery Life Daily Use

Leads for Health Tracking: Apple Watch Series 11 42mm77%

Leads for Sport & Outdoors: Garmin fēnix 8 47mm88%

Leads for Battery Life: Garmin Forerunner 97076%

Leads for Daily Use: Apple Watch Series 11 42mm71%

#2#20#20#10
Apple Watch Series 11 46mmApple
46 mm · Up to 24 h · Yes
77% 53% 50% 67%
Why it ranks here
- Editorial tag: Health Tracking
- ECG
- Blood oxygen sensor
Why it ranks here
- Water resistance to 50 m
Why it ranks here
Nothing stands out for this use; the score comes from overall balance.
How long does the battery last?
Why it ranks here
- Editorial tag: Daily Use
- 46 mm case
#1#19#19#1
Apple Watch Series 11 42mmApple
42 mm · Up to 24 h · Yes
77% 53% 50% 71%
Why it ranks here
- Editorial tag: Health Tracking
- ECG
- Blood oxygen sensor
Why it ranks here
- Water resistance to 50 m
Why it ranks here
Nothing stands out for this use; the score comes from overall balance.
How long does the battery last?
Why it ranks here
- Editorial tag: Daily Use
- 42 mm case
#15#3#6#18
Apple Watch Ultra 3Apple
49 mm · up to 42 hours · Yes
65% 83% 70% 53%
Why it ranks here
- ECG
- Blood oxygen sensor
Why it ranks here
- Editorial tag: Sport & Outdoors
- Dual-band GNSS
- Water resistance to 100 m
Why it ranks here
- Editorial tag: Battery Life
How long does the battery last?
Why it ranks here
- 49 mm case
#16#1#2#19
Garmin fēnix 8 47mmGarmin
47 mm · up to 168 hours · Yes
65% 88% 75% 53%
Why it ranks here
- ECG
- Blood oxygen sensor
Why it ranks here
- Editorial tag: Sport & Outdoors
- 168 hours of battery
- Dual-band GNSS
- Water resistance to 100 m
Why it ranks here
- Editorial tag: Battery Life
- 168 hours of battery
How long does the battery last?
Why it ranks here
- 47 mm case
#19#5#4#16
Garmin Venu 4 45mmGarmin
45 mm · up to 96 hours · Yes
65% 81% 73% 55%
Why it ranks here
- ECG
- Blood oxygen sensor
Why it ranks here
- Editorial tag: Sport & Outdoors
- 96 hours of battery
- Dual-band GNSS
- Water resistance to 50 m
Why it ranks here
- Editorial tag: Battery Life
- 96 hours of battery
How long does the battery last?
Why it ranks here
- 45 mm case
#18#6#5#15
Garmin Venu 4 41mmGarmin
41 mm · up to 72 hours · Yes
65% 80% 72% 57%
Why it ranks here
- ECG
- Blood oxygen sensor
Why it ranks here
- Editorial tag: Sport & Outdoors
- 72 hours of battery
- Dual-band GNSS
- Water resistance to 50 m
Why it ranks here
- Editorial tag: Battery Life
- 72 hours of battery
How long does the battery last?
Why it ranks here
- 41 mm case
#17#2#1#17
Garmin Forerunner 970Garmin
47 mm · up to 360 hours · Yes
65% 84% 76% 54%
Why it ranks here
- ECG
- Blood oxygen sensor
Why it ranks here
- Editorial tag: Sport & Outdoors
- 360 hours of battery
- Dual-band GNSS
- Water resistance to 50 m
Why it ranks here
- Editorial tag: Battery Life
- 360 hours of battery
How long does the battery last?
Why it ranks here
- 47 mm case
#5#9#9#12
Galaxy Watch Ultra2Samsung
47 mm · up to 60 hours · Yes
77% 72% 59% 66%
Why it ranks here
- Editorial tag: Health Tracking
- ECG
- Blood oxygen sensor
Why it ranks here
- 60 hours of battery
- Dual-band GNSS
- Water resistance to 100 m
Why it ranks here
- 60 hours of battery
How long does the battery last?
Why it ranks here
- Editorial tag: Daily Use
- 47 mm case
#4#8#8#11
Galaxy Watch Ultra (2025)Samsung
47 mm · up to 60 hours · Yes
77% 72% 59% 66%
Why it ranks here
- Editorial tag: Health Tracking
- ECG
- Blood oxygen sensor
Why it ranks here
- 60 hours of battery
- Dual-band GNSS
- Water resistance to 100 m
Why it ranks here
- 60 hours of battery
How long does the battery last?
Why it ranks here
- Editorial tag: Daily Use
- 47 mm case
#10#16#16#7
Galaxy Watch9 44mmSamsung
44 mm · up to 30 hours · Yes
77% 59% 51% 69%
Why it ranks here
- Editorial tag: Health Tracking
- ECG
- Blood oxygen sensor
Why it ranks here
- Dual-band GNSS
- Water resistance to 50 m
Why it ranks here
Nothing stands out for this use; the score comes from overall balance.
How long does the battery last?
Why it ranks here
- Editorial tag: Daily Use
- 44 mm case
#9#15#15#3
Galaxy Watch9 40mmSamsung
40 mm · up to 30 hours · Yes
77% 59% 51% 70%
Why it ranks here
- Editorial tag: Health Tracking
- ECG
- Blood oxygen sensor
Why it ranks here
- Dual-band GNSS
- Water resistance to 50 m
Why it ranks here
Nothing stands out for this use; the score comes from overall balance.
How long does the battery last?
Why it ranks here
- Editorial tag: Daily Use
- 40 mm case
#7#11#11#6
Galaxy Watch8 44mmSamsung
44 mm · up to 40 hours · Yes
77% 63% 55% 69%
Why it ranks here
- Editorial tag: Health Tracking
- ECG
- Blood oxygen sensor
Why it ranks here
- Dual-band GNSS
- Water resistance to 50 m
Why it ranks here
Nothing stands out for this use; the score comes from overall balance.
How long does the battery last?
Why it ranks here
- Editorial tag: Daily Use
- 44 mm case
#6#10#10#2
Galaxy Watch8 40mmSamsung
40 mm · up to 40 hours · Yes
77% 63% 55% 71%
Why it ranks here
- Editorial tag: Health Tracking
- ECG
- Blood oxygen sensor
Why it ranks here
- Dual-band GNSS
- Water resistance to 50 m
Why it ranks here
Nothing stands out for this use; the score comes from overall balance.
How long does the battery last?
Why it ranks here
- Editorial tag: Daily Use
- 40 mm case
#8#14#14#14
Galaxy Watch8 Classic 46mmSamsung
46 mm · up to 30 hours · Yes
77% 59% 51% 65%
Why it ranks here
- Editorial tag: Health Tracking
- ECG
- Blood oxygen sensor
Why it ranks here
- Dual-band GNSS
- Water resistance to 50 m
Why it ranks here
Nothing stands out for this use; the score comes from overall balance.
How long does the battery last?
Why it ranks here
- Editorial tag: Daily Use
- 46 mm case
#13#18#18#5
Google Pixel Watch 5 41mmGoogle
41 mm · up to 30 hours · Yes
77% 59% 51% 70%
Why it ranks here
- Editorial tag: Health Tracking
- ECG
- Blood oxygen sensor
Why it ranks here
- Dual-band GNSS
- Water resistance to 50 m
Why it ranks here
Nothing stands out for this use; the score comes from overall balance.
How long does the battery last?
Why it ranks here
- Editorial tag: Daily Use
- 41 mm case
#14#13#13#9
Google Pixel Watch 5 45mmGoogle
45 mm · up to 40 hours · Yes
77% 63% 55% 68%
Why it ranks here
- Editorial tag: Health Tracking
- ECG
- Blood oxygen sensor
Why it ranks here
- Dual-band GNSS
- Water resistance to 50 m
Why it ranks here
Nothing stands out for this use; the score comes from overall balance.
How long does the battery last?
Why it ranks here
- Editorial tag: Daily Use
- 45 mm case
#11#17#17#4
Google Pixel Watch 4 41mmGoogle
41 mm · up to 30 hours · Yes
77% 59% 51% 70%
Why it ranks here
- Editorial tag: Health Tracking
- ECG
- Blood oxygen sensor
Why it ranks here
- Dual-band GNSS
- Water resistance to 50 m
Why it ranks here
Nothing stands out for this use; the score comes from overall balance.
How long does the battery last?
Why it ranks here
- Editorial tag: Daily Use
- 41 mm case
#12#12#12#8
Google Pixel Watch 4 45mmGoogle
45 mm · up to 40 hours · Yes
77% 63% 55% 68%
Why it ranks here
- Editorial tag: Health Tracking
- ECG
- Blood oxygen sensor
Why it ranks here
- Dual-band GNSS
- Water resistance to 50 m
Why it ranks here
Nothing stands out for this use; the score comes from overall balance.
How long does the battery last?
Why it ranks here
- Editorial tag: Daily Use
- 45 mm case
#3#7#7#13
Fitbit Sense 2Fitbit
40.5 mm · up to 144 hours · Yes
77% 78% 63% 65%
Why it ranks here
- Editorial tag: Health Tracking
- ECG
- Blood oxygen sensor
Why it ranks here
- Editorial tag: Sport & Outdoors
- 144 hours of battery
- Water resistance to 50 m
Why it ranks here
- 144 hours of battery
How long does the battery last?
Why it ranks here
- Editorial tag: Daily Use
- 40.5 mm case
#20#4#3#20
OnePlus Watch 4OnePlus
47.4 mm · up to 120 hours · Yes
65% 82% 74% 52%
Why it ranks here
- ECG
- Blood oxygen sensor
Why it ranks here
- Editorial tag: Sport & Outdoors
- 120 hours of battery
- Dual-band GNSS
- Water resistance to 50 m
Why it ranks here
- Editorial tag: Battery Life
- 120 hours of battery
How long does the battery last?
Why it ranks here
- 47.4 mm case