Pebble 2 vs. Fitbit Alta vs. Xiaomi Mi Band 4 vs. Apple Watch 7

 
2
Alta
Mi Band 4
Watch 7
 Pebble2Remove Buy NowFitbitAltaRemove Buy NowXiaomiMi Band 4Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$129$130$25$429
Release2016201620192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 days20 days18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a120x240396 x 484
Sizen/an/a0.95 inches1.9 inches
Touchn/a
Typee-paperOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMn/a5 ATMwater resistant but not waterproof

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemPebble OSn/aAMAZFIT OSWatchOS 8
Apps
Music

All Wearables