Fitbit Flex 2 vs. Fitbit One vs. Polar Loop 2 vs. Garmin Forerunner 235 vs. HTC re Grip

 
Flex 2
One
Loop 2
Forerunner 235
re Grip
 FitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowPolarLoop 2Remove Buy NowGarminForerunner 235Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$100$100$120$299.99$199
Release20162012201520172020

Activity & Fitness

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

Battery

Duration5 days10-14 days8 days (without notifications)9 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/a215 x 180160 x 32
Sizen/an/an/a1.23 inches1.8 inches
Touchn/a
TypeLEDOLEDLEDMIPPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplast Resistant2 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aNA
Apps
Music

All Wearables