Fitbit Flex 2 vs. Fitbit Zip vs. Garmin Vivosmart HR vs. Acer Liquid Leap vs. Apple Series 6

 
Flex 2
Zip
Vivosmart HR
Liquid Leap
Series 6
 FitbitFlex 2Remove Buy NowFitbitZipRemove Buy NowGarminVivosmart HRRemove Buy NowAcerLiquid LeapRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$100$60$170$90$399
Release20162012201520152020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days6 months5 days5 to 7 daysNot yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a160 x 68128 x 32384 x 480
Sizen/an/a1.08 inches1 inch40mm
Touchn/a
TypeLEDn/an/aOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATMSplash Resistant5 ATMIPX4

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aWatchOS 5
Apps
Music

All Wearables