Pebble Steel vs. Fitbit Zip vs. Fitbit Alta HR vs. Fitbit Flex vs. Xiaomi Mi Band 4

 
Steel
Zip
Alta HR
Flex
Mi Band 4
 PebbleSteelRemove Buy NowFitbitZipRemove Buy NowFitbitAlta HRRemove Buy NowFitbitFlexRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$150$60$150$100$25
Release20142012201720132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5-7 days6 months7 days5 days20 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/a128 x 36NA120x240
Size1.26 inchesn/a1.4 inchesNA0.95 inches
TouchNA
Typee-papern/aOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplash Resistant1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aNAAMAZFIT OS
Apps
Music

All Wearables