Fitbit Alta vs. Fitbit Flex 2 vs. Asus ZenWatch vs. HTC re Grip vs. Apple Watch Ultra

 
Alta
Flex 2
ZenWatch
re Grip
Watch Ultra
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowAsusZenWatchRemove Buy NowHTCre GripRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$130$100$150$199$799
Release20162016201420202022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 daysNA5 hours to 2.5 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a320 x 320160 x 32502x410 pixels
Sizen/an/a1.63 inches1.8 inches1.92 inches
Touchn/an/a
TypeOLEDLEDAMOLEDPMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMIP55IP5710 ATM (100 Meters)

Notifications

Phone
Emailsn/aNA
TextsNA

Software

Operating Systemn/an/aAndroid WearNAWatchOS 9
Apps
Music

All Wearables