Samsung Gear S2 vs. TomTom Spark vs. Fitbit Flex 2 vs. Fitbit Ionic vs. Polar A370

 
Gear S2
Spark
Flex 2
Ionic
A370
 SamsungGear S2Remove Buy NowTomTomSparkRemove Buy NowFitbitFlex 2Remove Buy NowFitbitIonicRemove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$300$150$100$299$179.95
Release20152015201620172017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 daysn/a5 days4+ daysUp to 3 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Colorn/an/a
Resolution360 x 360n/an/a348x250160 x 80
Size1.2 inchesn/an/a1.421.18 inches
Touchn/a
TypeSuper AMOLEDLCDLEDOLEDTFT LCD

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM5 ATM50mWR30

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemTizenn/an/aFitbit OS
Apps
Music

All Wearables