Fitbit Charge 2 vs. Fitbit Zip vs. Garmin Forerunner 235 vs. Amazfit T-Rex vs. Apple Watch Ultra

 
Charge 2
Zip
Forerunner 235
T-Rex
Watch Ultra
 FitbitCharge 2Remove Buy NowFitbitZipRemove Buy NowGarminForerunner 235Remove Buy NowAmazfitT-RexRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$150$60$299.99$140$799
Release20162012201720192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days6 months9 days20 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a215 x 180360 x 360502x410 pixels
Sizen/an/a1.23 inches1.3 inches1.92 inches
Touchn/a
TypeOLEDn/aMIPAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aSplash Resistant5 ATM5 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aBuild-inWatchOS 9
Apps
Music

All Wearables