Fitbit Flex 2 vs. Sony SmartBand 2 vs. Apple Watch Series 4 vs. Mobvoi TicWatch e2 vs. HTC re Grip

 
Flex 2
SmartBand 2
Watch Series 4
TicWatch e2
re Grip
 FitbitFlex 2Remove Buy NowSonySmartBand 2Remove Buy NowAppleWatch Series 4Remove Buy NowMobvoiTicWatch e2Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$100$130$329$200$199
Release20162015201820192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days2 daysNot Yet1 day5 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/an/a
Resolutionn/an/a384 x 480360 x 360160 x 32
Sizen/an/a1.78 inches1.2 inches1.8 inches
Touchn/an/a
TypeLEDn/aMicroLEDAMOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP58Not YetIP68IP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWatch OS 5Wear OSNA
Apps
Music

All Wearables