Fitbit Charge vs. Fitbit Flex vs. Apple SE vs. Apple Watch Ultra vs. Fitbit Sense 2

 
Charge
Flex
SE
Watch Ultra
Sense 2
 FitbitChargeRemove Buy NowFitbitFlexRemove Buy NowAppleSERemove Buy NowAppleWatch UltraRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$130$100$279$799$300
Release20142013202020222022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7-10 days5 days18 hours36 hrs6 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
ResolutionNANA384 x 480502x410 pixels336x336
SizeNANA40mm1.92 inches1.59 inches
TouchNANA
TypeOLEDLEDMicroLEDAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance1 ATM1 ATM10 ATM (100 Meters)5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNANAWatchOS 5WatchOS 9
Apps
Music

All Wearables