Fitness Trackers under $400

All Fitness Trackers

6 fitness trackers under $400 from OURA, RingConn and Whoop. Most cost $340 to $399, and half cost less than $360.

Whoop

Screenless band, Women

+Tracks heart rate and sleep

+Screenless band with no display to check

+Waterproof for swimming and showers

$339.99-5%List: ~~$359.00~~

as of 11/04/2026 07:42 PST - Details

OURA

Smart ring, Women

+Tracks fitness, sleep, and activity

+Small smart ring form factor

+Waterproof for wear in water

$399.00

as of 11/04/2026 00:34 PST - Details

RingConn

Smart ring, 10 to 19 days

+Tracks heart rate and sleep

+Battery lasts 10 to 19 days

+Works without a phone

$349.00

as of 11/04/2026 00:53 PST - Details

Ultrahuman

Smart ring

+Smart ring form factor worn on the finger

+Tracks sleep without needing a phone

+No subscription fee required to use it

$370.94

as of 11/04/2026 06:39 PST - Details

Whoop

+Tracks sleep for recovery analysis

+Includes a SuperKnit wristband

+Includes a wireless charger

$337.00

as of 11/04/2026 07:42 PST - Details

Samsung

Smart ring

+Smart ring form factor worn on the finger

+Tracks sleep with AI-based sleep analysis

+Titanium case construction for durability

$384.19

as of 11/04/2026 01:40 PST - Details

Compare specs

Type	Spec score	Price
Screenless band	n/a	$339.99 as of 11/04/2026 07:42 PST - Details
Smart ring	n/a	$399.00 as of 11/04/2026 00:34 PST - Details
Smart ring	n/a	$349.00 as of 11/04/2026 00:53 PST - Details
Smart ring	n/a	$370.94 as of 11/04/2026 06:39 PST - Details
	n/a	$337.00 as of 11/04/2026 07:42 PST - Details
Smart ring	n/a	$384.19 as of 11/04/2026 01:40 PST - Details

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Spec scores, pros and cons, and prices are explained in the How it works section of the About page.

Fitness Trackers under $400

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