Fitbit Charge 5 vs. Fitbit Charge 6 vs. Fitbit Flex vs. Fitbit Versa vs. Olio Model One - Instant Comparison

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Fitbit Charge 5

Fitbit Charge 6

Fitbit Flex

Fitbit Versa

Olio Model One

	Fitbit Charge 5 Check Amazon	Fitbit Charge 6 Check Amazon	Fitbit Flex Check Amazon	Fitbit Versa Check Amazon	Olio Model One Check Amazon
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Price and Release Date
Suggested Price	$180	$159	$100	$199.95	$595
Release / Update	2021	2023	2013	2018	2015
Activity & Fitness
Calories
Distance
Heart
VO2max (Oxygen)
Sleep
Steps
Stress mgt
Female health
Skin temp
Breath rate
Battery
Duration	7 Days	Up to 7 days	5 days	4 days	2 days
Rechargeable

Compatibility Support
Android
iOS
Windows Phone
Mac					n/a
Windows					n/a
Connectivity Support
Bluetooth
Cellular
GPS
NFC
Wi-Fi
Display
Color
Resolution			n/a	300 x 300
Size	1.04 inches	1.04-inch AMOLED	n/a	1.34 inches
Touch			n/a
Type	AMOLED	AMOLED	LED	OLED
Functions
Audio Speaker
Clock
Phone
Vibration
Voice
Hardware
Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance	5 ATM (50 Meters)	Water-resistant up to 50m	1 ATM	5 ATM	5 ATM
Notifications
Phone
Emails
Texts
Software
Operating System	Fitbit OS	Fitbit OS	n/a
Apps
Music
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