Party RSVP vs Greenvelope
Elegant is great. $19 a party isn't.
Greenvelope sells beautifully engraved digital envelopes at wedding prices — $19 to $249 per mailing. Lovely for a gala. An odd bill for goldfish crackers and a bounce house.
With Greenvelope
- $19–$249 per mailing
- Wedding-grade formality
- Custom-question workarounds
- No album, chat or waitlist
With Party RSVP
- Free, every party
- Kid-party native design
- Sibling & adult counts built in
- Album, chat and waitlist included
Credit where due
Greenvelope is polished, genuinely ad-free, delivers by email, text and WhatsApp, and its scheduled reminders to non-responders are exactly right. As a premium stationery product, it delivers what it charges for.
Where Greenvelope gets in the way
Per-party pricing
Every mailing costs money — $19 for a small list, more as the class grows, or a $125+ annual membership. Kids average several parties a year between siblings; the meter runs every time.
Formalwear energy
The design language is weddings, showers and corporate galas. There's no world where the envelope-opening animation matters more than whether siblings are coming.
The kid questions aren't there
Custom questions can approximate headcounts, but there's no child-name RSVP, no family grouping, no waitlist, no album, no chat — you're renting elegance, not party infrastructure.
Where Party RSVP pulls ahead
The reminders, included
The feature Greenvelope charges for — automatic nudges to the silent — is free here, along with everything around it.
Made of party, not parchment
Festive themes, banner photos, a confetti header — and underneath it, sibling counts, allergy notes and a waitlist.
Free at class scale
25 families or 60, first party or fifth — the price is the same nothing.
First of its kindBuilt for AI agents
Greenvelope has no AI connector. We were the first to.
Connect Party RSVP to Claude or ChatGPT and your assistant drafts the invitation, edits the details, loads the guest list and reads the replies back to you. It cannot publish or message anyone — that stays yours.
Keep the engraving for the wedding.
When the RSVP questions are “how many kids and are you staying?”, infrastructure beats stationery — and free beats $19, every single party.
The checklist, side by side
| Feature | Party RSVP | Greenvelope |
|---|---|---|
| Your AI assistant can run it | MCP — Claude, ChatGPT | |
| Free to use, no ads shown to guests | $19+ per mailing | |
| Guests never create an account | ||
| RSVP by name — a child's or a guest's | ||
| Sibling + adult headcounts per family | ||
| One email per family, never duplicates | ||
| Capacity with automatic waitlist | ||
| What-to-bring list guests can claim | ||
| Potluck list sized from the live headcount | ||
| Automatic reminders to non-responders | ||
| Guest photo & video album | ||
| Party chat with a host badge | ||
| Open RSVP — guests add themselves | ||
| AI writes the invitation text | ||
| Host from any device |