Polar M400 vs. TomTom Spark vs. Fitbit One vs. Huawei Talkband B2 vs. Apple Watch Series 2

 
M400
Spark
One
Talkband B2
Watch Series 2
 PolarM400Remove Buy NowTomTomSparkRemove Buy NowFitbitOneRemove Buy NowHuaweiTalkband B2Remove Buy NowAppleWatch Series 2Remove Buy Now

Basic Info

Suggested Price$200$150$100$180$269
Release20142015201220152016

Activity & Fitness

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

Battery

Duration8 hours to 30 daysn/a10-14 days3 days18 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/a128 x 88340 x 272 or 390 x 312
Sizen/an/an/a0.73 inches1.5 inches or 1.65 inches
Touch
Typen/aLCDOLEDPMOLEDAMOLED

Functions

Audio SpeakerAlerts onlyBluetoothBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMSplast ResistantIP575ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/an/an/aWatch OS
Apps
Music

All Wearables