Fitbit Flex vs. Fitbit Versa 2 vs. Fitbit Inspire HR vs. Apple Watch 7 vs. Apple Series 6

 
Flex
Versa 2
Inspire HR
Watch 7
Series 6
 FitbitFlexRemove Buy NowFitbitVersa 2Remove Buy NowFitbitInspire HRRemove Buy NowAppleWatch 7Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$100$199$99$429$399
Release20132019201920212020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days5 days18 HoursNot yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
ResolutionNA300 x 300139 x 60396 x 484384 x 480
SizeNA1.34 inches1.4 inches1.9 inches40mm
TouchNA
TypeLEDAMOLEDOLEDMicroLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance1 ATM5 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemNABuild-inFitbit OSWatchOS 8WatchOS 5
Apps
Music

All Wearables