Fitbit Flex 2 vs. Amazfit Bip vs. Apple Watch vs. Garmin Forerunner 235 vs. HTC re Grip

 
Flex 2
Bip
Watch
Forerunner 235
re Grip
 FitbitFlex 2Remove Buy NowAmazfitBipRemove Buy NowAppleWatchRemove Buy NowGarminForerunner 235Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$100$99.99$349$299.99$199
Release20162018201520172020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days30 days18 hours9 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a176 x 176340 x 272 or 390 x 312215 x 180160 x 32
Sizen/a1.28 inches1.5 inches or 1.65 inches1.23 inches1.8 inches
Touchn/a
TypeLEDNAAMOLEDMIPPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP68IPX75 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSNA
Apps
Music

All Wearables