Samsung Gear S vs. Fitbit Flex 2 vs. Fitbit Zip vs. Polar M430 vs. Amazfit GTR

 
Gear S
Flex 2
Zip
M430
GTR
 SamsungGear SRemove Buy NowFitbitFlex 2Remove Buy NowFitbitZipRemove Buy NowPolarM430Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$250$100$60$255$199
Release20132016201220172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days6 months30 hours24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution480 x 360n/an/a128x128454 x 454
Size2 inchesn/an/a1.4 inch1.39 inches
Touchn/a
TypeSuper AMOLEDLEDn/aLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATMSplash ResistantWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/an/aBuild-in
Apps
Music

All Wearables