Polar M600 vs. Fitbit Alta vs. Michael Kors Access Sofie vs. Mobvoi TicWatch e2 vs. HTC re Grip

 
M600
Alta
Access Sofie
TicWatch e2
re Grip
 PolarM600Remove Buy NowFitbitAltaRemove Buy NowMichael KorsAccess SofieRemove Buy NowMobvoiTicWatch e2Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$330$130$395$200$199
Release20162016201720192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days1 day1 day5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a390 x 390 1.19 inches360 x 360160 x 32
Size1.3 inchesn/a1.2 inches1.8 inches
Touchn/an/aAMOLDED
TypeTFTOLEDAMOLEDPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8n/a1 ATMIP68IP57

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemAndroid Wearn/aAndroid Wear 2.0Wear OSNA
Apps
Music

All Wearables