Fitbit Flex 2 vs. Microsoft Band 2 vs. Fitbit Ionic vs. Apple Watch Series 5 vs. HTC re Grip

 
Flex 2
Band 2
Ionic
Watch Series 5
re Grip
 FitbitFlex 2Remove Buy NowMicrosoftBand 2Remove Buy NowFitbitIonicRemove Buy NowAppleWatch Series 5Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$100$250$299$329$199
Release20162015201720192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours (without GPS)4+ daysNot Yet5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 128348x250384 x 480160 x 32
Sizen/a1.36 inches1.421.78 Inches1.8 inches
Touchn/a
TypeLEDCapacitative TFTOLEDMicroLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX750mNot YetIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aFitbit OSWatchOS 5NA
Apps
Music

All Wearables