Fitbit Charge 2 vs. Fitbit One vs. Amazfit Stratos vs. Amazfit Bip vs. Fitbit Flex

 
Charge 2
One
Stratos
Bip
Flex
 FitbitCharge 2Remove Buy NowFitbitOneRemove Buy NowAmazfitStratosRemove Buy NowAmazfitBipRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$150$100$199$99.99$100
Release20162012201820182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days10-14 days5 days30 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a320 x 300176 x 176NA
Sizen/an/a1.34 inches1.28 inchesNA
Touchn/aNA
TypeOLEDOLEDOLEDNALED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aSplast Resistant5 ATMIP681 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aProprietaryNA
Apps
Music

All Wearables