Apple Apple Watch Ultra 2 (II) vs. ASUS VivoWatch vs. Fitbit Ace 3 vs. Fitbit Alta vs. Fitbit Versa 3 vs. Misfit Flash Link vs. Polar Loop

	Apple Apple Watch Ultra 2 (II) Check Amazon	ASUS VivoWatch Check Amazon	Fitbit Ace 3 Check Amazon	Fitbit Alta Check Amazon	Fitbit Versa 3 Check Amazon	Misfit Flash Link Check Amazon	Polar Loop Check Amazon
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Price and Release Date
Suggested Price	$799	$150	$130	$130	$230	$20	$100
Release / Update	2023	0000	2021	2016	2020	2015	2013
Activity & Fitness
Calories
Distance
Heart	Third-generation optical heart sensor						$
VO2max (Oxygen)
Sleep
Steps
Stress mgt
Female health
Skin temp
Breath rate
Battery
Duration	Up to 36 hours normal use, Up to 72 hours in Low Power Mode	24 hours to 10 days	8 Days	5 days	6 Days	6 months	5 days
Rechargeable

Compatibility Support
Android
iOS
Windows Phone
Mac		n/a				n/a	n/a
Windows		n/a				n/a	n/a
Connectivity Support
Bluetooth
Cellular
GPS
NFC
Wi-Fi
Display
Color						n/a
Resolution	502 x 410 pixels	128 x 128	240 x 240	128 x 36	336 x 336	n/a
Size	49mm		1.47 inches	1.4 inches	1.58 inches	n/a
Touch						n/a
Type	Always-On Retina LTPO OLED		PMOLED	OLED	AMOLED	n/a	LED
Functions
Audio Speaker
Clock
Phone
Vibration
Voice
Hardware
Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance	Water resistance 100m, Dust resistance IP6X, EN13319 recreational scuba diving to 40m, Tested to MIL-STD 810H	IP67	5 ATM		5 ATM	3 ATM	2 ATM
Notifications
Phone
Emails
Texts
Software
Operating System	WatchOS 10	KoodOS	Built-in		Fitbit OS	n/a	n/a
Apps
Music
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