Fitbit Flex 2 vs. Microsoft Band 2 vs. Fitbit Charge vs. Apple Watch Series 4 vs. Apple Watch 7

 
Flex 2
Band 2
Charge
Watch Series 4
Watch 7
 FitbitFlex 2Remove Buy NowMicrosoftBand 2Remove Buy NowFitbitChargeRemove Buy NowAppleWatch Series 4Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$100$250$130$329$429
Release20162015201420182021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours (without GPS)7-10 daysNot Yet18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 128NA384 x 480396 x 484
Sizen/a1.36 inchesNA1.78 inches1.9 inches
Touchn/aNA
TypeLEDCapacitative TFTOLEDMicroLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX71 ATMNot Yetwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNAWatch OS 5WatchOS 8
Apps
Music

All Wearables