Fitbit Alta vs. Fitbit Ionic vs. Garmin Chronos vs. Fitbit Flex vs. Apple Series 6

 
Alta
Ionic
Chronos
Flex
Series 6
 FitbitAltaRemove Buy NowFitbitIonicRemove Buy NowGarminChronosRemove Buy NowFitbitFlexRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$130$299$1500$100$399
Release20162017201820132020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4+ days8 days5 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250218 x 218NA384 x 480
Sizen/a1.421.2 inchesNA40mm
Touchn/aNA
TypeOLEDOLEDMIPLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistancen/a50m10 ATM1 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aFitbit OSWear OSNAWatchOS 5
Apps
Music

All Wearables