Pebble Time Round vs. Polar Loop 2 vs. Fitbit Ionic vs. Fitbit Flex vs. Apple Watch 7

 
Time Round
Loop 2
Ionic
Flex
Watch 7
 PebbleTime RoundRemove Buy NowPolarLoop 2Remove Buy NowFitbitIonicRemove Buy NowFitbitFlexRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$200$120$299$100$429
Release20152015201720132021

Activity & Fitness

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

Battery

Duration2 days8 days (without notifications)4+ days5 days18 Hours
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/a348x250NA396 x 484
Sizeroundn/a1.42NA1.9 inches
TouchNA
Typee-paperLEDOLEDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX72 ATM50m1 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aFitbit OSNAWatchOS 8
Apps
Music

All Wearables