Fitbit Alta vs. Garmin Vivosmart HR vs. Fitbit Ionic vs. Fitbit Flex vs. Apple Series 6

 
Alta
Vivosmart HR
Ionic
Flex
Series 6
 FitbitAltaRemove Buy NowGarminVivosmart HRRemove Buy NowFitbitIonicRemove Buy NowFitbitFlexRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$130$170$299$100$399
Release20162015201720132020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days4+ days5 daysNot yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 68348x250NA384 x 480
Sizen/a1.08 inches1.42NA40mm
Touchn/aNA
TypeOLEDn/aOLEDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistancen/a5 ATM50m1 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aFitbit OSNAWatchOS 5
Apps
Music

All Wearables