Polar M600 vs. Fitbit Alta vs. Polar A370 vs. HTC re Grip vs. Apple Watch 7

 
M600
Alta
A370
re Grip
Watch 7
 PolarM600Remove Buy NowFitbitAltaRemove Buy NowPolarA370Remove Buy NowHTCre GripRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$330$130$179.95$199$429
Release20162016201720202021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 daysUp to 3 days5 hours to 2.5 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a160 x 80160 x 32396 x 484
Size1.3 inchesn/a1.18 inches1.8 inches1.9 inches
Touchn/an/a
TypeTFTOLEDTFT LCDPMOLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8n/aWR30IP57water resistant but not waterproof

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemAndroid Wearn/aNAWatchOS 8
Apps
Music

All Wearables