Fitbit Flex 2 vs. Fitbit Zip vs. Fitbit Ionic vs. Casio WSD-F20A vs. Apple Watch 7

 
Flex 2
Zip
Ionic
WSD-F20A
Watch 7
 FitbitFlex 2Remove Buy NowFitbitZipRemove Buy NowFitbitIonicRemove Buy NowCasioWSD-F20ARemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$100$60$299$399$429
Release20162012201720182021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days6 months4+ days1 day18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a348x250320 x 320396 x 484
Sizen/an/a1.421.32 inches1.9 inches
Touchn/a
TypeLEDn/aOLEDLCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplash Resistant50m5 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aFitbit OSWear OSWatchOS 8
Apps
Music

All Wearables