Fitbit Alta vs. Fitbit Flex 2 vs. Fitbit One vs. Fitbit Ionic vs. Apple Series 6

 
Alta
Flex 2
One
Ionic
Series 6
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowFitbitIonicRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$130$100$100$299$399
Release20162016201220172020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days10-14 days4+ daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/a348x250384 x 480
Sizen/an/an/a1.4240mm
Touchn/an/a
TypeOLEDLEDOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistancen/a5 ATMSplast Resistant50m

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/an/aFitbit OSWatchOS 5
Apps
Music

All Wearables