Fitbit Flex 2 vs. Garmin Forerunner 235 vs. Garmin Forerunner 45 vs. HTC re Grip vs. Apple Series 6

 
Flex 2
Forerunner 235
Forerunner 45
re Grip
Series 6
 FitbitFlex 2Remove Buy NowGarminForerunner 235Remove Buy NowGarminForerunner 45Remove Buy NowHTCre GripRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$100$299.99$199$199$399
Release20162017201920202020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days9 days7 days5 hours to 2.5 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a215 x 180208 x 208160 x 32384 x 480
Sizen/a1.23 inches1.04 inches1.8 inches40mm
Touchn/a
TypeLEDMIPLCDPMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM5 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aBuilt-inNAWatchOS 5
Apps
Music

All Wearables