Fitbit Flex 2 vs. Fossil Explorist vs. Fitbit Flex vs. Polar A370 vs. Polar Loop

 
Flex 2
Explorist
Flex
A370
Loop
 FitbitFlex 2Remove Buy NowFossilExploristRemove Buy NowFitbitFlexRemove Buy NowPolarA370Remove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$100$255$100$179.95$100
Release20162018201320172013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days24 hours5 daysUp to 3 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a454 x454NA160 x 80NA
Sizen/a1.4 inchesNA1.18 inchesNA
Touchn/aNA
TypeLEDAMOLEDLEDTFT LCDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP671 ATMWR302 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNANA
Apps
Music

All Wearables