Pebble Time Round vs. Fitbit Flex 2 vs. Fitbit Alta HR vs. Amazfit GTR vs. HTC re Grip

 
Time Round
Flex 2
Alta HR
GTR
re Grip
 PebbleTime RoundRemove Buy NowFitbitFlex 2Remove Buy NowFitbitAlta HRRemove Buy NowAmazfitGTRRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$200$100$150$199$199
Release20152016201720192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days7 days24 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a128 x 36454 x 454160 x 32
Sizeroundn/a1.4 inches1.39 inches1.8 inches
Touchn/a
Typee-paperLEDOLEDAMOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX75 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aBuild-inNA
Apps
Music

All Wearables