Notes expire on their own.
Every note disappears 24 hours after you write it. No archive to groom, no inbox-zero guilt. The app cleans up after itself, so writing something down costs you nothing.
Coming soon · iOS
Mayfly.
Write it down. Forget about it.
Notes that quietly disappear in 24 hours.
Parking spot. Café Wi-Fi password. Gym locker number. The address you only need until tonight. Most of what we write down is meant to be forgotten — but every notes app treats it like it should live forever. Mayfly is built for the other kind of note.
One star keeps anything.
Some notes deserve to stay. Tap the star and a note becomes permanent — tap it again and the 24-hour timer starts over. That's the whole organizational system.
Local-only. Genuinely.
No account, no sign-up, no cloud, no analytics, no ads, no third-party SDKs. Your notes live on your iPhone and nowhere else. Delete the app and everything goes with it.
Free is complete.
Pro is for fine-tuning.
$3 one-time purchase. Not a subscription.
- Per-note expiry — from 1 hour to 7 days, or forever
- Lock Screen widget with your latest note and time left
- Control Center, Action Button & Siri quick capture
- Notes fade out visually as they near expiry
- Extra themes
Nothing to collect. Nothing collected.
Mayfly runs no servers and embeds no trackers. The App Store privacy label reads, in full: “Data Not Collected.”
Read the privacy policy