Fitbit Charge 2 vs. Fitbit Flex 2 vs. Apple Watch Series 2 vs. Acer Liquid Leap vs. Polar A370

 
Charge 2
Flex 2
Watch Series 2
Liquid Leap
A370
 FitbitCharge 2Remove Buy NowFitbitFlex 2Remove Buy NowAppleWatch Series 2Remove Buy NowAcerLiquid LeapRemove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$150$100$269$90$179.95
Release20162016201620152017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days18 hours5 to 7 daysUp to 3 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a340 x 272 or 390 x 312128 x 32160 x 80
Sizen/an/a1.5 inches or 1.65 inches1 inch1.18 inches
Touchn/an/a
TypeOLEDLEDAMOLEDOLEDTFT LCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM5ATMIPX4WR30

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWatch OS
Apps
Music

All Wearables