Pebble 2 vs. Pebble Steel vs. Polar V800 vs. Fitbit Flex vs. Xiaomi Mi Band 4

 
2
Steel
V800
Flex
Mi Band 4
 Pebble2Remove Buy NowPebbleSteelRemove Buy NowPolarV800Remove Buy NowFitbitFlexRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$129$150$470$100$25
Release20162014201420132019

Activity & Fitness

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

Battery

Duration7 days5-7 days13 hours to 30 days5 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a168 x 144n/aNA120x240
Sizen/a1.26 inchesn/aNA0.95 inches
TouchNA
Typee-papere-papern/aLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM3 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSPebble OSn/aNAAMAZFIT OS
Apps
Music

All Wearables