Fitbit Alta vs. Apple Watch Series 2 vs. Amazfit Bip vs. Fitbit Charge vs. Apple Watch Series 4

 
Alta
Watch Series 2
Bip
Charge
Watch Series 4
 FitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowAmazfitBipRemove Buy NowFitbitChargeRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$130$269$99.99$130$329
Release20162016201820142018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours30 days7-10 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312176 x 176NA384 x 480
Sizen/a1.5 inches or 1.65 inches1.28 inchesNA1.78 inches
Touchn/aNA
TypeOLEDAMOLEDNAOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5ATMIP681 ATMNot Yet

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWatch OSNAWatch OS 5
Apps
Music

All Wearables