Fitbit Ionic vs. Fitbit Flex vs. Huawei Band 2 vs. Garmin Vivosmart 4 vs. Apple Series 6

 
Ionic
Flex
Band 2
Vivosmart 4
Series 6
 FitbitIonicRemove Buy NowFitbitFlexRemove Buy NowHuaweiBand 2Remove Buy NowGarminVivosmart 4Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$299$100$69.99$130$399
Release20172013201720182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days5 days21 days7 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250NA128 x 3248 x 128384 x 480
Size1.42NA0.91 inches0.74 inches40mm
TouchNA
TypeOLEDLEDPMOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance50m1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSNAWatchOS 5
Apps
Music

All Wearables