Apple Watch Series 3 vs. Fitbit Flex 2 vs. Amazfit Bip vs. Fitbit Alta HR vs. Fitbit Charge

 
Watch Series 3
Flex 2
Bip
Alta HR
Charge
 AppleWatch Series 3Remove Buy NowFitbitFlex 2Remove Buy NowAmazfitBipRemove Buy NowFitbitAlta HRRemove Buy NowFitbitChargeRemove Buy Now

Basic Info

Suggested Price$329$100$99.99$150$130
Release20172016201820172014

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5 days30 days7 days7-10 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution340 x 272 or 390 x 312n/a176 x 176128 x 36NA
Size1.5 inches or 1.65 inchesn/a1.28 inches1.4 inchesNA
Touchn/aNA
TypeAMOLEDLEDNAOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP681 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/aNA
Apps
Music

All Wearables