Pebble Time vs. Pebble Time Round vs. Fitbit Alta vs. Fitbit Flex 2 vs. Apple Watch 7

 
Time
Time Round
Alta
Flex 2
Watch 7
 PebbleTimeRemove Buy NowPebbleTime RoundRemove Buy NowFitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$150$200$130$100$429
Release20152015201620162021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days2 days5 days5 days18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution168 x 144n/an/an/a396 x 484
Size1.26 inchesroundn/an/a1.9 inches
Touchn/an/a
Typee-papere-paperOLEDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX7n/a5 ATMwater resistant but not waterproof

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemPebble OSPebble OSn/an/aWatchOS 8
Apps
Music

All Wearables