Fitbit Charge 2 vs. Fitbit Flex 2 vs. Fitbit Ionic vs. Amazfit Bip vs. Apple Series 6

 
Charge 2
Flex 2
Ionic
Bip
Series 6
 FitbitCharge 2Remove Buy NowFitbitFlex 2Remove Buy NowFitbitIonicRemove Buy NowAmazfitBipRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$150$100$299$99.99$399
Release20162016201720182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days4+ days30 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a348x250176 x 176384 x 480
Sizen/an/a1.421.28 inches40mm
Touchn/an/a
TypeOLEDLEDOLEDNAMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistancen/a5 ATM50mIP68

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aFitbit OSWatchOS 5
Apps
Music

All Wearables