Pebble Time vs. Polar M400 vs. Fitbit Alta vs. Garmin Forerunner 235 vs. Fitbit Charge

 
Time
M400
Alta
Forerunner 235
Charge
 PebbleTimeRemove Buy NowPolarM400Remove Buy NowFitbitAltaRemove Buy NowGarminForerunner 235Remove Buy NowFitbitChargeRemove Buy Now

Basic Info

Suggested Price$150$200$130$299.99$130
Release20152014201620172014

Activity & Fitness

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

Battery

Duration7 days8 hours to 30 days5 days9 days7-10 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/an/a215 x 180NA
Size1.26 inchesn/an/a1.23 inchesNA
Touchn/aNA
Typee-papern/aOLEDMIPOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMn/a5 ATM1 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemPebble OSn/an/aNA
Apps
Music

All Wearables