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

 
Watch Series 3
Flex 2
Bip
Charge HR
Reign
 AppleWatch Series 3Remove Buy NowFitbitFlex 2Remove Buy NowAmazfitBipRemove Buy NowFitbitCharge HRRemove Buy NowJaybirdReignRemove Buy Now

Basic Info

Suggested Price$329$100$99.99$150$150
Release20172016201820152015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5 days30 days5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution340 x 272 or 390 x 312n/a176 x 176NANA
Size1.5 inches or 1.65 inchesn/a1.28 inchesNANA
Touchn/aNANA
TypeAMOLEDLEDNAOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP681 ATMNA

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/aNANA
Apps
Music

All Wearables