Pebble Time Round vs. Polar M400 vs. Fitbit Ionic vs. Fitbit Flex vs. Garmin Instinct

 
Time Round
M400
Ionic
Flex
Instinct
 PebbleTime RoundRemove Buy NowPolarM400Remove Buy NowFitbitIonicRemove Buy NowFitbitFlexRemove Buy NowGarminInstinctRemove Buy Now

Basic Info

Suggested Price$200$200$299$100$300
Release20152014201720132018

Activity & Fitness

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

Battery

Duration2 days8 hours to 30 days4+ days5 days14 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a348x250NA128 x 128
Sizeroundn/a1.42NA0.9 inches
TouchNA
Typee-papern/aOLEDLEDOMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX73 ATM50m1 ATM10 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aFitbit OSNA
Apps
Music

All Wearables