Sony SmartBand 2 vs. Amazfit Stratos vs. Amazfit Bip vs. Fitbit Flex

 
SmartBand 2
Stratos
Bip
Flex
 SonySmartBand 2Remove Buy NowAmazfitStratosRemove Buy NowAmazfitBipRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$130$199$99.99$100
Release2015201820182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days30 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 300176 x 176NA
Sizen/a1.34 inches1.28 inchesNA
Touchn/aNA
Typen/aOLEDNALED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP585 ATMIP681 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryNA
Apps
Music

All Wearables