TomTom Spark vs. Fitbit Flex 2 vs. ASUS ZenWatch 3 vs. Fitbit Ionic vs. Amazfit Bip

 
Spark
Flex 2
ZenWatch 3
Ionic
Bip
 TomTomSparkRemove Buy NowFitbitFlex 2Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy NowAmazfitBipRemove Buy Now

Basic Info

Suggested Price$150$100$229$299$99.99
Release20152016201720172018

Activity & Fitness

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

Battery

Durationn/a5 days48 hours4+ days30 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolutionn/an/a400 x 400348x250176 x 176
Sizen/an/a1.39 inches1.421.28 inches
Touchn/a
TypeLCDLEDAMOLEDOLEDNA

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM50mIP68

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aAndroid Wear 2Fitbit OS
Apps
Music

All Wearables