Fitbit Alta vs. Fitbit Flex 2 vs. Amazfit Arc vs. Casio G-Shock GBA800 vs. Apple Watch Ultra

 
Alta
Flex 2
Arc
G-Shock GBA800
Watch Ultra
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowAmazfitArcRemove Buy NowCasioG-Shock GBA800Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$130$100$69.99$120$799
Release20162016201620182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days20 days2 years36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a72 x40502x410 pixels
Sizen/an/a0.42 inches1.92 inches
Touchn/an/a
TypeOLEDLEDOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMIP6720 ATM10 ATM (100 Meters)

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aWatchOS 9
Apps
Music

All Wearables