Jupiter Signup and Grasshopper Signup: the payment-focused sibling
Updated 2026-07-02
Jupiter Signup and Grasshopper Signup are complementary sibling products, and they work together. If you love Grasshopper Signup and simply need to collect payment on a sign-up, Jupiter Signup is the payment-focused option, and you can bring your form across in seconds: paste a Grasshopper Signup link into our builder and we recreate it as a starting point.
Jupiter Signup vs Grasshopper Signup, side by side
| Jupiter Signup | Grasshopper Signup | |
|---|---|---|
| Collects payment | Built in, your own Stripe | Yes |
| How the form is built | Describe it, AI builds it | Guided sign-up builder |
| Priced options & packs | Options, packs, deposits, add-ons | Options and slots |
| Capacity & waitlist | Built in, server-enforced | Yes |
| Cost to you | Flat 2%, no monthly fee | Free and paid |
| Best for | Paid sign-ups & registrations | Free sign-ups & rosters |
Features and plans change; verify current details with each provider.
Where Grasshopper Signup shines
Grasshopper Signup is a genuinely excellent all-around sign-up tool and a close partner of ours. For free sign-ups, big rosters, potlucks, volunteer slots, and time-slot scheduling it is superb, and we happily recommend it for exactly that.
Reach for Grasshopper Signup for free sign-ups and large rosters. It is excellent, and it is often the right tool.
Where Jupiter Signup fits
Reach for Jupiter Signup when payment is the point of the sign-up: paid classes, camps, tickets, and registrations.
- Payment built in through your own Stripe account (flat 2%, no monthly plan)
- Import from Grasshopper Signup: paste a link and the form is recreated for you
- Priced options, deposits, class packs, capacity, and waitlists
- Built and edited by chat, the whole page authored for you
Frequently asked questions
Is Jupiter Signup a good Grasshopper Signup alternative?
Jupiter Signup is a strong Grasshopper Signup alternative when your sign-up needs to collect payment. Reach for Jupiter Signup when payment is the point of the sign-up: paid classes, camps, tickets, and registrations.
Can Jupiter Signup collect payment?
Yes. You connect your own Stripe account and Jupiter Signup collects payment as people sign up, for a flat 2% with no monthly fee.
How much does Jupiter Signup cost?
There is no monthly plan. Jupiter Signup takes a flat 2% of what you collect, on top of Stripe's normal processing fee. Forms that do not charge are free.
Do I have to build the form myself?
No. Describe your sign-up in a sentence and Jupiter Signup builds the whole page, then you edit anything by chatting.
When should I use Grasshopper Signup instead?
Grasshopper Signup is a genuinely excellent all-around sign-up tool and a close partner of ours. For free sign-ups, big rosters, potlucks, volunteer slots, and time-slot scheduling it is superb, and we happily recommend it for exactly that. Reach for Grasshopper Signup for free sign-ups and large rosters. It is excellent, and it is often the right tool.
How do I switch from Grasshopper Signup to Jupiter Signup?
They are sibling products and they are integrated: paste a Grasshopper Signup link into the Jupiter Signup builder and we recreate the form for you as a starting point, so you can add payment.