Apple Apple Watch Ultra 2 (II) vs. ASUS ZenWatch 3 vs. Fitbit Ace 3 vs. Fitbit Charge vs. Huawei Watch vs. Huawei Watch 3 vs. Pebble Time

	Apple Apple Watch Ultra 2 (II) Check Amazon	ASUS ZenWatch 3 Check Amazon	Fitbit Ace 3 Check Amazon	Fitbit Charge Check Amazon	Huawei Watch Check Amazon	Huawei Watch 3 Check Amazon	Pebble Time Check Amazon
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Price and Release Date
Suggested Price	$799	$229	$130	$130	$349	$410	$150
Release / Update	2023	2017	2021	2014	2015	2021	2015
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	48	8 Days	7–10 days		14 Days	7 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		Yes
Cellular
GPS
NFC
Wi-Fi
Display
Color
Resolution	502 x 410 pixels	400 x 400	240 x 240	n/a	400 x 400	466 x 466	168 x 144
Size	49mm	1.39 inches	1.47 inches		1.4 inches	1.4 inches	1.26 inches
Touch				n/a
Type	Always-On Retina LTPO OLED	AMOLED	PMOLED	OLED	AMOLED	AMOLED	e-paper
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		5 ATM	1 ATM		5 ATM	5 ATM
Notifications
Phone
Emails
Texts
Software
Operating System	WatchOS 10	Android Wear 2	Built-in	n/a	Android Wear	HarmonyOS 2	Pebble OS
Apps
Music
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