SureWake is an iPhone alarm built on AlarmKit, the same system-level alarm engine the Clock app uses. Alarms are scheduled by iOS itself, so they ring even if SureWake is closed, force-quit, or hasn't been opened in days.
When the alarm goes off, up to two backup rings are already booked in the system. After you stop it, SureWake asks you to confirm you're actually awake (tap, three quick arithmetic problems, type a sentence, or shake fifteen times). If you don't confirm in time, the backup rings with a stronger tone. A countdown shows on the Lock Screen and in the Dynamic Island.
Other features: a Reliability page that shows exactly what is scheduled, a streak and calendar of confirmed wake-ups, and sunrise shown on your alarm timeline (computed offline, no location needed).
Pricing: everything is free for 14 days, then a one-time unlock. No subscription, no account, no ads, no analytics. The app itself never goes online; the only network activity is Apple's own purchase flow and rating prompt.
Honest limits: the ringing screen belongs to iOS and the volume buttons can stop it, which is why the wake-up check exists. Custom music can't be used as a system alarm tone. Requires iOS 26.1 or later.
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