Fitbit Flex 2 vs. Basis Peak vs. Fitbit Versa vs. Polar A370 vs. Polar Loop

 
Flex 2
Peak
Versa
A370
Loop
 FitbitFlex 2Remove Buy NowBasisPeakRemove Buy NowFitbitVersaRemove Buy NowPolarA370Remove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$100$200$199.99$179.95$100
Release20162014201820172013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4 days4 daysUp to 3 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a168 x 144300 x300160 x 80NA
Sizen/a1.25 inches1.34 inches1.18 inchesNA
Touchn/a
TypeLEDLCDOLEDTFT LCDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATMWR302 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANA
Apps
Music

All Wearables