Fitbit Flex 2 vs. Polar Loop 2 vs. Fitbit Ionic vs. Jaybird Reign vs. Apple Watch 7

 
Flex 2
Loop 2
Ionic
Reign
Watch 7
 FitbitFlex 2Remove Buy NowPolarLoop 2Remove Buy NowFitbitIonicRemove Buy NowJaybirdReignRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$100$120$299$150$429
Release20162015201720152021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days8 days (without notifications)4+ days5 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a348x250NA396 x 484
Sizen/an/a1.42NA1.9 inches
Touchn/aNA
TypeLEDLEDOLEDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM50mNAwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aFitbit OSNAWatchOS 8
Apps
Music

All Wearables