Apple Watch Series 3 vs. Fitbit Flex 2 vs. Fitbit Zip vs. Fitbit Ionic vs. Casio WSD-F20A

 
Watch Series 3
Flex 2
Zip
Ionic
WSD-F20A
 AppleWatch Series 3Remove Buy NowFitbitFlex 2Remove Buy NowFitbitZipRemove Buy NowFitbitIonicRemove Buy NowCasioWSD-F20ARemove Buy Now

Basic Info

Suggested Price$329$100$60$299$399
Release20172016201220172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5 days6 months4+ days1 day
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution340 x 272 or 390 x 312n/an/a348x250320 x 320
Size1.5 inches or 1.65 inchesn/an/a1.421.32 inches
Touchn/a
TypeAMOLEDLEDn/aOLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMSplash Resistant50m5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/an/aFitbit OSWear OS
Apps
Music

All Wearables