Samsung Gear S3 vs. Apple Watch Series 2 vs. Fitbit Charge HR vs. Polar A370 vs. HTC re Grip

 
Gear S3
Watch Series 2
Charge HR
A370
re Grip
 SamsungGear S3Remove Buy NowAppleWatch Series 2Remove Buy NowFitbitCharge HRRemove Buy NowPolarA370Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$350$269$150$179.95$199
Release20162016201520172020

Activity & Fitness

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

Battery

Duration4 days18 hours5 daysUp to 3 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellularn/a
GPS
NFCn/a
Wi-Fi

Display

Color
Resolution360 x 360340 x 272 or 390 x 312NA160 x 80160 x 32
Size1.3 inches1.5 inches or 1.65 inchesNA1.18 inches1.8 inches
TouchNA
TypeFullcolor AODAMOLEDOLEDTFT LCDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685ATM1 ATMWR30IP57

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenWatch OSNANA
Apps
Music

All Wearables