Microsoft Band 2 vs. Sony SmartBand 2 vs. Fitbit Ionic vs. Fitbit Charge 3 vs. Polar A370

 
Band 2
SmartBand 2
Ionic
Charge 3
A370
 MicrosoftBand 2Remove Buy NowSonySmartBand 2Remove Buy NowFitbitIonicRemove Buy NowFitbitCharge 3Remove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$250$130$299$150$179.95
Release20152015201720182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours (without GPS)2 days4+ days7 daysUp to 3 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolution320 x 128n/a348x25066 x 18160 x 80
Size1.36 inchesn/a1.42.721 inches1.18 inches
Touchn/a
TypeCapacitative TFTn/aOLEDOLEDTFT LCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX7IP5850m5 ATMWR30

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aFitbit OSNA
Apps
Music

All Wearables