Sent Instantly: Mail a Letter
Thank-you notes on stationery
About
Transform your typed messages into physical letters, printed and mailed for you. Choose from various occasions, customize with handwriting-style fonts and stationery, and send directly from your contacts. Options include standard mail, certified mail, and tracked flat mailers.
What's New in Sent Instantly
1.2
October 27, 2026
Platform upgrades, a more beautiful experience, improved performance, and minor bug fixes.
Developer apps
FAQ
How does Sent Instantly work?
Sent Instantly allows you to type a message, choose a design, and select a recipient. The app then prints and mails your letter via USPS, with options for standard, certified, or tracked flat mail.
What occasions can I send letters for with Sent Instantly?
You can send letters for a wide range of occasions including thank-you notes, birthdays, congratulations, sympathy, love letters, get well wishes, new babies, holidays, and business correspondence.
Can I personalize the letters I send with Sent Instantly?
Yes, you can personalize letters with handwriting-style fonts, designed stationery, your name, initials, or town. You can also add today's date or your return address.
What are the mailing options available with Sent Instantly?
Sent Instantly offers standard First-Class mail (arriving in 7-10 business days), USPS Certified Mail with tracking, and a flat, tracked mail option that is never folded and double-checked by a human.
Can Sent Instantly be used for business purposes?
Yes, businesses can use Sent Instantly to add their logo and a footer to every letter, making it suitable for realtors, dealerships, hotels, restaurants, and other professional offices.
Do I need an account to use Sent Instantly?
No account is needed to use Sent Instantly. Payments are processed securely via Stripe, and receipts and tracking numbers are sent by email.
How often is Sent Instantly updated?
The latest version of Sent Instantly is 1.1, which was last updated on October 20, 2026. Updates typically address bug fixes and feature enhancements.
Is Sent Instantly available on multiple devices?
Sent Instantly is supported on iPhones and iPads, allowing you to send letters from your preferred Apple devices.