Fitbit Alta vs. Apple Watch Series 2 vs. Amazfit Stratos vs. Acer Liquid Leap vs. Fitbit Charge

 
Alta
Watch Series 2
Stratos
Liquid Leap
Charge
 FitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowAmazfitStratosRemove Buy NowAcerLiquid LeapRemove Buy NowFitbitChargeRemove Buy Now

Basic Info

Suggested Price$130$269$199$90$130
Release20162016201820152014

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours5 days5 to 7 days7-10 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312320 x 300128 x 32NA
Sizen/a1.5 inches or 1.65 inches1.34 inches1 inchNA
Touchn/aNA
TypeOLEDAMOLEDOLEDOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5ATM5 ATMIPX41 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWatch OSProprietaryNA
Apps
Music

All Wearables