Microsoft Band 2 vs. Sony SmartBand 2 vs. Fitbit Ionic vs. Polar A370 vs. Amazfit T-Rex

 
Band 2
SmartBand 2
Ionic
A370
T-Rex
 MicrosoftBand 2Remove Buy NowSonySmartBand 2Remove Buy NowFitbitIonicRemove Buy NowPolarA370Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$130$299$179.95$140
Release20152015201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours (without GPS)2 days4+ daysUp to 3 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution320 x 128n/a348x250160 x 80360 x 360
Size1.36 inchesn/a1.421.18 inches1.3 inches
Touchn/a
TypeCapacitative TFTn/aOLEDTFT LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX7IP5850mWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aFitbit OSBuild-in
Apps
Music

All Wearables