Apple Watch Series 3 vs. Fitbit Alta vs. Fitbit Flex 2 vs. Garmin Vivofit 4 vs. HTC re Grip

 
Watch Series 3
Alta
Flex 2
Vivofit 4
re Grip
 AppleWatch Series 3Remove Buy NowFitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowGarminVivofit 4Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$329$130$100$79.95$199
Release20172016201620182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5 days5 days1 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
Resolution340 x 272 or 390 x 312n/an/a88 x 88160 x 32
Size1.5 inches or 1.65 inchesn/an/aNA1.8 inches
Touchn/an/a
TypeAMOLEDOLEDLEDNAPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a5 ATM5 ATMIP57

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemWatchOS 4n/an/aNA
Apps
Music

All Wearables