Fitbit Alta vs. Fitbit Flex 2 vs. Acer Liquid Leap vs. Amazfit Arc vs. Apple Series 6

 
Alta
Flex 2
Liquid Leap
Arc
Series 6
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowAcerLiquid LeapRemove Buy NowAmazfitArcRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$130$100$90$69.99$399
Release20162016201520162020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days5 to 7 days20 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a128 x 3272 x40384 x 480
Sizen/an/a1 inch0.42 inches40mm
Touchn/an/a
TypeOLEDLEDOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistancen/a5 ATMIPX4IP67

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aWatchOS 5
Apps
Music

All Wearables