Fitbit Blaze vs. Polar M400 vs. Fitbit Zip vs. HTC re Grip vs. Apple Watch 7

 
Blaze
M400
Zip
re Grip
Watch 7
 FitbitBlazeRemove Buy NowPolarM400Remove Buy NowFitbitZipRemove Buy NowHTCre GripRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$200$200$60$199$429
Release20162014201220202021

Activity & Fitness

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

Battery

Duration5 Days8 hours to 30 days6 months5 hours to 2.5 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows PhonePartialn/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/an/a160 x 32396 x 484
Sizen/an/an/a1.8 inches1.9 inches
Touch
TypeLCDn/an/aPMOLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a3 ATMSplash ResistantIP57water resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aNAWatchOS 8
Apps
Music

All Wearables