Letterdone iPhone app
For brains that put off the mail

Snap a bill or letter. Know what to do.

Tap a letter below. See what Letterdone tells you.

What it isOverdue water bill. Final notice.
How much$124.50
Due byOct 24
What to doPay online, or call to set up a plan. A $25 late fee starts after Oct 24.
Reminder on until it's resolved
Sample letters. In the app, you snap your own.
“Mail is my worst task and I avoid it like no other.” · r/adhdwomen
The cost of "later"

Unopened mail is not lazy. It's dread. And it costs real money.

49%of UK adults with ADHD have missed a bill payment, vs 18% without ADHD.Monzo and YouGov, 2022
$83.99“I forgot to cancel in 3 days, and was just billed 83.99. There is no option to get a refund.”Threads, March 2026

From pile to done in three steps

1 · Snap itTake a photo, or share a PDF

Bills, notices, renewals, letters from the city. Any language.

2 · Get itWhat it is, how much, by when

Plain words, in your language. Each number links back to your photo.

3 · DoneReply written, reminder on

It stays on your Lock Screen until you tap “resolved”.

Your papers stay private

Text is read on your iPhone. We ask before anything goes to our AI. Medical papers never leave your phone.

It shows its work

Each amount and date is marked on your photo, so you can check it in a second.

Not legal advice

For court, debt or immigration letters, Letterdone points you to free help.

Open the mail. Feel lighter.

Be first in line when Letterdone opens on the App Store. First letter free, then a subscription with a 7-day free trial.

Join the iPhone waitlist