Samsung Gear S3 vs. TomTom Spark vs. Apple Watch Series 2 vs. Fitbit Charge HR vs. Polar A370

 
Gear S3
Spark
Watch Series 2
Charge HR
A370
 SamsungGear S3Remove Buy NowTomTomSparkRemove Buy NowAppleWatch Series 2Remove Buy NowFitbitCharge HRRemove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$350$150$269$150$179.95
Release20162015201620152017

Activity & Fitness

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

Battery

Duration4 daysn/a18 hours5 daysUp to 3 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPS
NFCn/a
Wi-Fi

Display

Colorn/a
Resolution360 x 360n/a340 x 272 or 390 x 312NA160 x 80
Size1.3 inchesn/a1.5 inches or 1.65 inchesNA1.18 inches
TouchNA
TypeFullcolor AODLCDAMOLEDOLEDTFT LCD

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM5ATM1 ATMWR30

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemTizenn/aWatch OSNA
Apps
Music

All Wearables