Fitbit Alta vs. Amazfit Bip vs. Apple Watch vs. Fitbit Flex vs. Amazfit T-Rex

 
Alta
Bip
Watch
Flex
T-Rex
 FitbitAltaRemove Buy NowAmazfitBipRemove Buy NowAppleWatchRemove Buy NowFitbitFlexRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$99.99$349$100$140
Release20162018201520132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days30 days18 hours5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a176 x 176340 x 272 or 390 x 312NA360 x 360
Sizen/a1.28 inches1.5 inches or 1.65 inchesNA1.3 inches
Touchn/aNA
TypeOLEDNAAMOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP68IPX71 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWatch OSNABuild-in
Apps
Music

All Wearables