Withings Activite Sapphire vs. Fitbit Alta vs. Fitbit Flex 2 vs. Pebble Core vs. Polar Loop

 
Activite Sapphire
Alta
Flex 2
Core
Loop
 WithingsActivite SapphireRemove Buy NowFitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowPebbleCoreRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$450$130$100$99$100
Release20142016201620162013

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

Duration8 months5 days5 daysNA5 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/an/aNANA
Macn/aNANA
Windowsn/aNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/aNANA
Size1.3 inchesn/an/aNANA
Touchn/an/aNA
TypeAnalogOLEDLEDNALED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a5 ATMNA2 ATM

Notifications

PhoneNA
Emailsn/aNA
TextsNA

Software

Operating Systemn/an/an/aNANA
Apps
Music

All Wearables