TomTom Spark vs. Polar Loop 2 vs. Fitbit Ionic vs. Amazfit Arc vs. Polar A370

 
Spark
Loop 2
Ionic
Arc
A370
 TomTomSparkRemove Buy NowPolarLoop 2Remove Buy NowFitbitIonicRemove Buy NowAmazfitArcRemove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$150$120$299$69.99$179.95
Release20152015201720162017

Activity & Fitness

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

Battery

Durationn/a8 days (without notifications)4+ days20 daysUp to 3 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a348x25072 x40160 x 80
Sizen/an/a1.420.42 inches1.18 inches
Touch
TypeLCDLEDOLEDOLEDTFT LCD

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM50mIP67WR30

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aFitbit OS
Apps
Music

All Wearables