Fitbit Flex 2 vs. Sony SmartBand 2 vs. Fitbit Ionic vs. Samsung Galaxy Watch vs. Polar A370

 
Flex 2
SmartBand 2
Ionic
Galaxy Watch
A370
 FitbitFlex 2Remove Buy NowSonySmartBand 2Remove Buy NowFitbitIonicRemove Buy NowSamsungGalaxy WatchRemove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$100$130$299$330$179.95
Release20162015201720182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days2 days4+ days7 daysUp to 3 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolutionn/an/a348x250360 x 360160 x 80
Sizen/an/a1.421.2 inches or 1.3 inches1.18 inches
Touchn/an/a
TypeLEDn/aOLEDAMOLEDTFT LCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP5850m5 ATMWR30

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aFitbit OSTizen OS
Apps
MusicSpotify

All Wearables