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Updated Oct 2026
I wore Onyx on one wrist and a rival on the other, both set for 5:30. All five buzz without a sound. They don't all get you up.
Four things, weighed the same. How well it woke me. How long a charge lasts. How easy it is to live with. And what you get for the money.
Onyx on one wrist, a rival on the other. Same 5:30 alarm, same bed, same partner asleep next to me.
Looks and step counts. Every band here buzzes without a sound and shows the time. What counts is whether you get up, and whether the person next to you stays asleep.
Shop Jenna's pick →The only band that starts soft and builds until you're up, and lasts 14 days on a charge. It got me up at 5:30. My partner kept snoring.
Two versions, and the one you pick matters. The $39 Standard lasts 14 days and needs no app. The $59 Pro adds 5 alarms and a buzz that builds.
Held back by: the $39 Standard buzzes at one fixed strength. Some mornings it jolted me awake. The build-up costs $20 more, and there's no wall adapter in the box.
The lowest price here at $34.99. It's the only band under $40 with an IP65 rating, so hand washing and light rain are fine. It counts steps too.
Held back by: no battery life, no alarm count and no intensity settings listed, so you can't count on a build-up. The two buttons take some learning, and you pay the return label.
The most alarms on this list: up to 5, plus a timer and a stopwatch. The buzz builds to full strength. A strong pick for deaf and hard-of-hearing sleepers.
Held back by: the price. $55, or $62 for the waterproof one. Its own pages disagree on battery: 20+ days or about 15. It charges from USB-A only, and you pay return shipping.
Works almost exactly like Onyx. 3 alarms, 3 levels that build, and everything is set on the band. $39.99, four cents more.
Held back by: a battery rated for just 7 days, half of Onyx's 14. The module comes out of the strap every time you charge it. No weight or band size is listed.
“A phone alarm wakes the whole room. A buzz on your wrist only wakes you. If it starts soft and builds, you get up without the jolt, and the person next to you sleeps on.”
A buzz that builds from gentle to strong. Up to 14 days on a charge. No app, all for under $40. And a 100-day money-back guarantee if it doesn't work for you.
Shop Jenna's pick →
Onyx and the other bands on this page are consumer alarms worn on the wrist. None is a medical device, and none is meant to diagnose or treat any sleep or hearing condition. Prices, shipping and return terms were checked in October 2026 and can change, so confirm the details with each brand before you order.
