Fitbit Flex 2 vs. Motorola Moto 360 (1st Gen) vs. Fitbit Flex vs. Apple Watch Series 4 vs. HTC re Grip

 
Flex 2
Moto 360 (1st Gen)
Flex
Watch Series 4
re Grip
 FitbitFlex 2Remove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 4Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$100$150$100$329$199
Release20162014201320182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day5 daysNot Yet5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 260NA384 x 480160 x 32
Sizen/a1.56 inchesNA1.78 inches1.8 inches
Touchn/aNA
TypeLEDLCDLEDMicroLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP671 ATMNot YetIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNAWatch OS 5NA
Apps
MusicNA

All Wearables