Pebble Time Round vs. Samsung Gear S2 vs. Fitbit Alta HR vs. Garmin Vivofit 4 vs. HTC re Grip

 
Time Round
Gear S2
Alta HR
Vivofit 4
re Grip
 PebbleTime RoundRemove Buy NowSamsungGear S2Remove Buy NowFitbitAlta HRRemove Buy NowGarminVivofit 4Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$200$300$150$79.95$199
Release20152015201720182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days2-3 days7 days1 year5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolutionn/a360 x 360128 x 3688 x 88160 x 32
Sizeround1.2 inches1.4 inchesNA1.8 inches
Touch
Typee-paperSuper AMOLEDOLEDNAPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX7IP685 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSTizenNA
Apps
Music

All Wearables