Fitbit Alta vs. Fitbit Flex 2 vs. Polar M430 vs. Apple Watch Series 4 vs. HTC re Grip

 
Alta
Flex 2
M430
Watch Series 4
re Grip
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowPolarM430Remove Buy NowAppleWatch Series 4Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$130$100$255$329$199
Release20162016201720182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days30 hoursNot Yet5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a128x128384 x 480160 x 32
Sizen/an/a1.4 inch1.78 inches1.8 inches
Touchn/an/a
TypeOLEDLEDLCDMicroLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMWR30Not YetIP57

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aWatch OS 5NA
Apps
Music

All Wearables