Polar Loop 2 vs. Withings Pulse Ox vs. Fitbit Ionic vs. Fitbit Charge vs. Fitbit Flex

 
Loop 2
Pulse Ox
Ionic
Charge
Flex
 PolarLoop 2Remove Buy NowWithingsPulse OxRemove Buy NowFitbitIonicRemove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$120$120$299$130$100
Release20152014201720142013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration8 days (without notifications)2 weeks4+ days7-10 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorblue
Resolutionn/a128 x 32348x250NANA
Sizen/an/a1.42NANA
TouchSwipeNANA
TypeLEDOLEDOLEDOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM50m1 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aFitbit OSNANA
Apps
Music

All Wearables