Fitbit Flex 2 vs. Amazfit Stratos vs. Amazfit Bip vs. Fitbit Flex vs. Amazfit GTS

 
Flex 2
Stratos
Bip
Flex
GTS
 FitbitFlex 2Remove Buy NowAmazfitStratosRemove Buy NowAmazfitBipRemove Buy NowFitbitFlexRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$100$199$99.99$100$150
Release20162018201820132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days30 days5 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 300176 x 176NA348 x 442
Sizen/a1.34 inches1.28 inchesNA1.65 inches
Touchn/aNA
TypeLEDOLEDNALEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP681 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryNAWear OS
Apps
Music

All Wearables