Pebble 2 vs. Polar M400 vs. Huawei Watch 2 vs. Sony SmartBand vs. Apple Watch 7

 
2
M400
Watch 2
SmartBand
Watch 7
 Pebble2Remove Buy NowPolarM400Remove Buy NowHuaweiWatch 2Remove Buy NowSonySmartBandRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$129$200$350$100$429
Release20162014201720142021

Activity & Fitness

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

Battery

Duration7 days8 hours to 30 days48 hours5 days18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolutionn/an/a480 x 480NA396 x 484
Sizen/an/a1.38 inchesNA1.9 inches
TouchNA
Typee-papern/aP-OLEDNAMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM3 ATMIP68IP58water resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aAndroid Wear 2NAWatchOS 8
Apps
Music

All Wearables