Thank-you letter for a donation
Thank you for your gift. Because of you, forty families had a full table this week, and our volunteers packed every box with a little more hope. We could not do this without people like you.
Use cases · For nonprofits and charities
The donor thank-you letter that brings the next gift
A letter that tears open on their phone with their name, a photo of what their gift made possible and a voice note from someone on your team. Personal at the scale of your whole donor list.
No app for your donors. No card details to start.
What your donors see
Real screens from the product, not mock-ups.
A generous gift, and the reply is a tax receipt.
Donors give because they care, and the first thing they hear back is often an automated receipt. A real thank-you, with a photo of the work and a voice from the team, is what makes the second gift feel natural.
Where a letter fits
After every giftA thank-you within a day, with a photo of the work it funds.
Giving anniversariesA year since their first gift, with what it has made possible.
Monthly donorsA personal update to the people who give every month.
VolunteersA thank-you after every shift, with a voice note from the coordinator.
Year-endEvery supporter from one spreadsheet, each letter with their own name.
After an eventA thank-you to every guest and sponsor the morning after.
How it works
1
Upload your list
Names, emails, dates and one personal line each, straight from your donor database export or a spreadsheet.
2
Write it once, make it theirs
Pick the handwriting, envelope and music. Each person's name and line go in on their own.
3
It goes out on the right day
Thank-yous after every gift, giving anniversaries a year ahead, all at 6 am in each person's time zone.
Free templates you can copy
Use them as they are, change a line, or paste one into a letter and send it today.
Letter to a monthly donor
Thank you for giving every single month. Your steady support is what lets us plan ahead and say yes to families who need us. You are part of this work every day.
Giving anniversary letter
One year ago you made your first gift to us. Since then, your support has helped us serve hundreds of neighbors. Thank you for staying with us.
Volunteer thank-you letter
Thank you for giving us your Saturday. The boxes you packed reached families this week, and your good humor kept the whole room going. We hope to see you again soon.
Thank-you after a fundraising event
Thank you for joining us last night. Your generosity in the room raised more than we hoped, and every dollar goes straight to our programs. It was a wonderful evening because you were there.
Year-end letter to supporters
As the year closes, we wanted to say thank you. Every gift, every hour and every word of encouragement mattered. We look forward to everything we will do together next year.
Printed cards versus letters
A printed card, an envelope and a $0.82 first-class stamp add up fast. Move the slider.
Printed card estimated at $1.50 plus a $0.82 stamp (USPS, July 2026). Business is $39 a month for up to 500 letters.
Printed and mailed$0a year
GreetSpark Business$0a year
Pick how you run it
Business
$39 a month
For a nonprofit thanking a few hundred donors and volunteers a month.
- 500 letters a month, and 500 more for $50 when a month needs it
- Sent from your own email address
- Your name on the letter, its page and the email, with ours nowhere on them
- A spreadsheet in, a personal letter per row out, each on its own date
- You and 2 colleagues on one account
- Cancel any time
Your own platform
Private Deploy
$299 30-day pilot
For a larger charity that wants letters on its own address, connected to its donor database.
- 100 letters to prove it with real people
- Your own web address, logo and colors on every letter and page
- Sent through your mail server, with your data on your system
- Triggered by the tools you already run, from Zapier to a webhook
- From $349 a month after the pilot
Just trying it? Every account starts with 3 free letters a month. Make one now.
Questions people ask
Does this replace our donation receipts?
No. Keep sending your official receipts from your donation system. The letter is the personal thank-you that goes alongside, and it should not include tax details.
Can we thank our whole donor list at once?
Yes. Upload a spreadsheet with names, emails and one personal line each, and every donor gets their own letter. Business sends up to 500 a month, and 500 more for $50 when a month needs it.
Is it really handwritten?
No, and we never say it is. Each letter is set in one of 60 handwriting fonts you choose, on letter paper inside an envelope that tears open on screen. It reads like a handwritten note and arrives in seconds.
Do they need an app or an account?
No. The letter arrives as a link by email and opens in any phone or computer browser. You can see when each one is opened.
Can we add a photo of our work and a voice note?
Yes. Add a photo, a voice note of up to 60 seconds and music. On the Business plan letters carry your organization's name and no GreetSpark branding.
What does it cost?
You can try three letters a month for free. Business is $39 a month for 500 letters, sent from your own email address.
Send your first one today
Three letters a month are free. No app for anyone, nothing to install.
Create a letter