Notion's comment feature is limited only to Notion users.

You can add Interactive Comment feature in any Notion page for free.

Commenters does not have to sign up.

1. Visit https://apption.co/app_posts/new
2. Sign-up
3. Create your "Comments for Notion" Embed URL.
4. Paste the URL into your Notion Embed block.
5. Done

https://apption.co/app_posts/lxp143

We will progressively update useful features. (automatically updated after Embedding)

Visit https://apption.co for more embeddable mini apps