Yes. Your Hours Are Numbered is free to use with no signup — your data is stored on your device. Premium adds cloud sync across devices, full history, and data export.

Premium is $4 per month, $36 per year (billed once, ~$3/month), or $99 once for lifetime access.

Premium starts with a 7-day free trial. You enter a card but aren't charged for the first week; cancel anytime in Settings and you owe nothing.

Yes. Your account stays active through the period you've paid for, then stops billing. Your data is preserved either way.