Fitbit Alta vs. Fitbit Charge 2 vs. Asus ZenWatch vs. Amazfit GTS vs. Apple Watch Ultra

 
Alta
Charge 2
ZenWatch
GTS
Watch Ultra
 FitbitAltaRemove Buy NowFitbitCharge 2Remove Buy NowAsusZenWatchRemove Buy NowAmazfitGTSRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$130$150$150$150$799
Release20162016201420192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 daysNA14 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a320 x 320348 x 442502x410 pixels
Sizen/an/a1.63 inches1.65 inches1.92 inches
Touchn/an/a
TypeOLEDOLEDAMOLEDAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/an/aIP555 ATM10 ATM (100 Meters)

Notifications

Phone
Emailsn/aNA
TextsNA

Software

Operating Systemn/an/aAndroid WearWear OSWatchOS 9
Apps
Music

All Wearables