Fitbit Surge vs. Pebble 2 vs. Polar M400 vs. Fitbit Alta HR vs. Polar A370

 
Surge
2
M400
Alta HR
A370
 FitbitSurgeRemove Buy NowPebble2Remove Buy NowPolarM400Remove Buy NowFitbitAlta HRRemove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$250$129$200$150$179.95
Release20162016201420172017

Activity & Fitness

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

Battery

Duration7 days7 days8 hours to 30 days7 daysUp to 3 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/an/a128 x 36160 x 80
Size1.26 inchesn/an/a1.4 inches1.18 inches
Touch
TypeMonochrome LCDe-papern/aOLEDTFT LCD

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM3 ATMWR30

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aPebble OSn/a
Apps
Music

All Wearables