Fitbit Zip vs. Fitbit Charge vs. Fitbit Flex vs. Amazfit T-Rex vs. Apple Watch 8

 
Zip
Charge
Flex
T-Rex
Watch 8
 FitbitZipRemove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy NowAmazfitT-RexRemove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$60$130$100$140$499
Release20122014201320192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration6 months7-10 days5 days20 days18 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/aNANA360 x 360340 x 272 or 390 x 312
Sizen/aNANA1.3 inches1.5 inches or 1.65 inches
TouchNANA
Typen/aOLEDLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplash Resistant1 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANABuild-inWatchOS 9
Apps
Music

All Wearables