Fitbit Flex 2 vs. Moov Now vs. Apple Watch Series 2 vs. Apple Watch Series 4 vs. HTC re Grip

 
Flex 2
Now
Watch Series 2
Watch Series 4
re Grip
 FitbitFlex 2Remove Buy NowMoovNowRemove Buy NowAppleWatch Series 2Remove Buy NowAppleWatch Series 4Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$100$79$269$329$199
Release20162015201620182020

Activity & Fitness

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

Battery

Duration5 days6 months18 hoursNot Yet5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a340 x 272 or 390 x 312384 x 480160 x 32
Sizen/an/a1.5 inches or 1.65 inches1.78 inches1.8 inches
Touchn/an/a
TypeLEDn/aAMOLEDMicroLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance5 ATMn/a5ATMNot YetIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWatch OSWatch OS 5NA
Apps
Music

All Wearables