Fitbit Flex 2 vs. Basis Peak vs. Jawbone UP4 vs. Polar A370 vs. Polar Loop

 
Flex 2
Peak
UP4
A370
Loop
 FitbitFlex 2Remove Buy NowBasisPeakRemove Buy NowJawboneUP4Remove Buy NowPolarA370Remove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$100$200$200$179.95$100
Release20162014201520172013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4 daysNAUp to 3 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANANA
MacNANANA
WindowsNANANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a168 x 144NA160 x 80NA
Sizen/a1.25 inchesNA1.18 inchesNA
Touchn/aNA
TypeLEDLCDNATFT LCDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMNAWR302 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANANA
Apps
MusicNA

All Wearables