Pebble Time Round vs. Polar Loop 2 vs. Fitbit Ionic vs. Fitbit Flex vs. Polar A370

 
Time Round
Loop 2
Ionic
Flex
A370
 PebbleTime RoundRemove Buy NowPolarLoop 2Remove Buy NowFitbitIonicRemove Buy NowFitbitFlexRemove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$200$120$299$100$179.95
Release20152015201720132017

Activity & Fitness

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

Battery

Duration2 days8 days (without notifications)4+ days5 daysUp to 3 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a348x250NA160 x 80
Sizeroundn/a1.42NA1.18 inches
TouchNA
Typee-paperLEDOLEDLEDTFT LCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX72 ATM50m1 ATMWR30

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aFitbit OSNA
Apps
Music

All Wearables