Pebble 2 vs. Pebble Time Round vs. Fitbit Ionic vs. Fitbit Flex vs. Amazfit GTR

 
2
Time Round
Ionic
Flex
GTR
 Pebble2Remove Buy NowPebbleTime RoundRemove Buy NowFitbitIonicRemove Buy NowFitbitFlexRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$129$200$299$100$199
Release20162015201720132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days2 days4+ days5 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a348x250NA454 x 454
Sizen/around1.42NA1.39 inches
TouchNA
Typee-papere-paperOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX750m1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSPebble OSFitbit OSNABuild-in
Apps
Music

All Wearables