Pebble Time Round vs. Fitbit Flex 2 vs. Fitbit Ionic vs. Polar A370 vs. Apple Watch 7

 
Time Round
Flex 2
Ionic
A370
Watch 7
 PebbleTime RoundRemove Buy NowFitbitFlex 2Remove Buy NowFitbitIonicRemove Buy NowPolarA370Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$200$100$299$179.95$429
Release20152016201720172021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days4+ daysUp to 3 days18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a348x250160 x 80396 x 484
Sizeroundn/a1.421.18 inches1.9 inches
Touchn/a
Typee-paperLEDOLEDTFT LCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX75 ATM50mWR30water resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aFitbit OSWatchOS 8
Apps
Music

All Wearables