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CardShare.ai
vs Greetings Island

Both let a group sign one card from a link for free, with no account needed to sign and no limit on signers, and both can design a card with AI. CardShare.ai keeps free cards ad-free, can draw the cover from your photo, and includes a Slack app

Start a cardFreeSee the comparison
CardShare.ai
A CardShare.ai birthday card cover

No ads

free cards stay ad-free

Greetings Island
Part of the cover of a Greetings Island sample group card, "Happy Birthday!"

Ads

on free cards, or $26.99 a year to remove

Side by side

How they compare

CardShare.aiGreetings Island
Price
Free cardsCardShare.ai: Yes: YesGreetings Island: Yes: Yes, with free designs
Ad-free free cardsCardShare.ai: Yes: Yes, no adsGreetings Island: No or not listed: Ads, for you and the person who gets the card, are removed with Premium
Paid optionCardShare.ai: None neededGreetings Island: Premium at $26.99 a year or $3.49 a month, or $4.49 for one premium design
Design and writing
AI-designed cover imageCardShare.ai: Yes: Yes, from one sentence or your photoGreetings Island: Yes: Yes, from a description, with more credits on Premium
AI message helpCardShare.ai: Yes: Drafts the headline and opening noteGreetings Island: Yes: Writes a message, and signers can ask for a suggestion
Signing
No account to signCardShare.ai: Yes: No account neededGreetings Island: Yes: No account needed
Signers per cardCardShare.ai: Yes: No limitGreetings Island: Yes: No limit
GIFs in messagesCardShare.ai: Yes: YesGreetings Island: Yes: A GIF or a photo in each message
Sending
SlackCardShare.ai: Yes: Slack app includedGreetings Island: Partly: Share the link in Slack or Microsoft Teams
Scheduled deliveryCardShare.ai: Yes: Yes, emailed at the hour you pickGreetings Island: Yes: Yes, at a date and time you pick
Card formatCardShare.ai: A 3D greeting card that opens in the browserGreetings Island: A digital card by email or link, with a PDF to print

Updated . Greetings Island details checked in October 2026 from Greetings Island group cards, Greetings Island Premium benefits, Greetings Island Premium price and Greetings Island AI card generator. Prices and features change, so check their site for the latest. Greetings Island is a trademark of its owner; CardShare.ai isn't affiliated with it.

Which to pick

The honest version

These two are close: both are free to start, take unlimited signers with no account, can design a card with AI and deliver it at a time you pick. CardShare.ai keeps free cards ad-free, draws the cover from your photo and has a Slack app. Greetings Island is the better pick if you'd rather choose from a large library of designs, or want a PDF to print.

Choose

CardShare.ai if…

  • You want a free card with no ads for you or the person you're celebrating
  • You want the cover drawn from your photo of them
  • You want something that looks and opens like a real greeting card
  • Your team lives in Slack and you'd like to start cards from there

Choose

Greetings Island if…

  • You want to pick from thousands of ready-made designs
  • You want a PDF of the card to print
  • You're also making invitations with RSVPs

FAQs

CardShare.ai vs Greetings Island

Is there an ad-free alternative to Greetings Island?

Yes. CardShare.ai cards are free to design, sign and send, with no ads on the card.

How much does Greetings Island cost?

As of October 2026, Greetings Island group cards made from free designs are free, with ads. Premium is $26.99 a year or $3.49 a month, and removes ads; a single premium design is $4.49. CardShare.ai cards are free with no ads.

What's the main difference between CardShare.ai and Greetings Island?

Greetings Island is a large design library for cards and invitations, with ads on free cards. CardShare.ai is made for group cards: its AI designs a cover for the person, from a sentence or your photo, free cards have no ads, and it includes a Slack app.

Does CardShare.ai work in Slack?

Yes. The CardShare.ai Slack app lets you create a card with a slash command and share the signing link in any channel.

Do signers need an account on CardShare.ai?

No. Signers open the link in their browser, write a note and can add a GIF.

Try it on your next card

Describe who it's for, share one link, and let everyone sign. It's free to send

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