Fitbit Alta vs. Fitbit Flex 2 vs. Garmin Forerunner 935 vs. Garmin Vivofit 4 vs. HTC re Grip

 
Alta
Flex 2
Forerunner 935
Vivofit 4
re Grip
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowGarminForerunner 935Remove Buy NowGarminVivofit 4Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$130$100$500$79.95$199
Release20162016201720182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 daysUp to 2 weeks1 year5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a240 x 24088 x 88160 x 32
Sizen/an/a1.2 inchesNA1.8 inches
Touchn/an/a
TypeOLEDLEDLCDNAPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM5 ATM5 ATMIP57

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aNA
Apps
Music

All Wearables