Fitbit Alta vs. Apple Watch Series 2 vs. Fitbit Ionic vs. Fitbit Flex vs. HTC re Grip

 
Alta
Watch Series 2
Ionic
Flex
re Grip
 FitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowFitbitIonicRemove Buy NowFitbitFlexRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$130$269$299$100$199
Release20162016201720132020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours4+ days5 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312348x250NA160 x 32
Sizen/a1.5 inches or 1.65 inches1.42NA1.8 inches
Touchn/aNA
TypeOLEDAMOLEDOLEDLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5ATM50m1 ATMIP57

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWatch OSFitbit OSNANA
Apps
Music

All Wearables