Fitbit Flex 2 vs. Withings Go vs. Fitbit Ionic vs. Pebble Core vs. HTC re Grip

 
Flex 2
Go
Ionic
Core
re Grip
 FitbitFlex 2Remove Buy NowWithingsGoRemove Buy NowFitbitIonicRemove Buy NowPebbleCoreRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$100$80$299$99$199
Release20162016201720162020

Activity & Fitness

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

Battery

Duration5 days8 months4+ daysNA5 hours to 2.5 days
Rechargeable

Compatibility

Androidn/a
iOSn/aNA
Windows Phonen/an/aNANA
Macn/aNANA
Windowsn/aNANA

Connectivity

Bluetoothn/a
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolutionn/an/a348x250NA160 x 32
Sizen/an/a1.42NA1.8 inches
Touchn/an/aNA
TypeLEDE-InkOLEDNAPMOLED

Functions

Audio Speaker
Clock
Phonen/aNA
Vibrationn/aNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM50mNAIP57

Notifications

Phonen/aNA
Emailsn/aNA
Textsn/aNA

Software

Operating Systemn/an/aFitbit OSNANA
Appsn/a
Music

All Wearables