Comparison — Updated May 2026

I'm In! vs SignUpGenius: Free Signup with Reminders Beats Paid Reminder Tier

SignUpGenius made volunteer signups famous, but the modern alternative is free, ad-free, and includes the features SignUpGenius charges for.

Short answer

I'm In! is the better fit for volunteer coordinators, sports teams, class instructors, and community organizers under 1,000 members. SignUpGenius still wins for very large institutions (10,000+ members) that need deep admin hierarchy and have budget for an enterprise plan.

I'm In! is best for

  • Volunteer coordinators running recurring shifts
  • Sports teams collecting practice signups and dues
  • Class instructors managing capacity and waitlists
  • Community organizers with unlimited participants
  • Anyone who wants automatic reminders without paying $9.99+/month
  • Organizers tired of seeing third-party ads on their signup page

SignUpGenius is best for

  • Large religious institutions with 10,000+ members
  • School districts coordinating across many campuses
  • Organizations needing deep multi-admin role hierarchy
  • Teams already committed to SignUpGenius Pro paid tooling

Feature-by-feature comparison

FeatureI'm In!SignUpGenius
Price for unlimited events
Free forever
$9.99–$49.99/month for Pro features
Automatic email reminders
Included free
Paid plan only ($9.99+/month)
Ads on signup pages
Zero ads ever
Ads on free tier, removed on paid
Mobile signup experience
Modern, single-page, instant
Functional but dated interface
Stripe payment collection
Built in, no platform fee
Optional add-on, fees layered
QR check-in
Built in
Available on paid tier
Waitlists
Built in
Built in
Time-slot signups
Yes
Yes
Collaborator management
Built in
Robust on paid tier
Enterprise admin hierarchy
Not the focus
Stronger for 10,000+ member orgs
Brand recognition with older audiences
Newer (2024+)
Familiar to long-time volunteer coordinators

Pricing

I'm In!

Free for unlimited events and unlimited participants. Stripe payment processing fees (2.9% + $0.30) apply only when you collect money. No platform fee from I'm In!

SignUpGenius

Free tier shows ads and excludes automatic reminders. Pro tier starts at $9.99/month billed annually. Premium and Platinum tiers add features and seats. Reminder emails and ad removal require at least the Pro tier.

Who should choose what

Choose I'm In!

Choose I'm In! if you want automatic reminders without paying for them, hate ads on your signup pages, want a modern mobile experience, and your organization is in the under-10,000-member range.

Choose SignUpGenius

Choose SignUpGenius if you are a very large institution that already runs on SignUpGenius Pro, you need deep multi-admin role hierarchy, and budget for $9.99+/month is not a concern.

How to switch from SignUpGenius to I'm In!

  1. 1Export your participant list from SignUpGenius (CSV under Reports).
  2. 2Create your first event on I'm In! at https://im-in.events/create — most coordinators finish in under 30 seconds.
  3. 3Copy participant emails into a quick attendee invite (or share the public signup link).
  4. 4Turn on automatic reminders during event creation — they are free and ship at your chosen lead time.
  5. 5Cancel your SignUpGenius Pro subscription once participants confirm the new link is working.

I'm In! vs SignUpGenius — FAQ

Is I'm In! actually free, or is there a hidden tier?

I'm In! is free for unlimited events and unlimited participants with no ads. Automatic reminders, waitlists, QR check-in, and payment collection are all included free. Stripe processes payments at its standard 2.9% + $0.30 fee when you collect money — that is Stripe's fee, not a platform fee from I'm In!

Does SignUpGenius offer free automatic reminders?

No. Automatic email reminders on SignUpGenius require at least the Pro plan at $9.99/month billed annually. The free tier sends only confirmation emails.

Can I import my SignUpGenius events into I'm In!?

You can copy event details into a new I'm In! event in about a minute. There is no automated importer — SignUpGenius does not expose a public export of event metadata. Most coordinators rebuild from a template since the new event creation flow is under 30 seconds.

Will my volunteers complain about switching?

Most do not, because the I'm In! signup page has fewer clicks and no ads. Participants do not need to create an account to sign up.

What about ads on the signup page?

I'm In! shows zero ads on signup pages, period. SignUpGenius shows third-party ads on its free tier; the Pro plan removes them at $9.99+/month.

Does I'm In! handle large shift schedules?

Yes. Time-slot signups with per-slot capacity, waitlists, and gap alerts when slots are underbooked are all included free. Most volunteer coordinators with 5–500 active volunteers fit comfortably in the free tier.

Which has better mobile experience?

I'm In! is built mobile-first with a single-page signup that takes about 15 seconds to complete. SignUpGenius is functional on mobile but its interface predates the modern single-page-app standard.

Is I'm In! a fit for school PTA volunteer signups?

Yes. Many school PTAs use I'm In! for back-to-school nights, classroom volunteer slots, fundraisers, and field trip drivers. Free tier supports unlimited parents and events.

Ready to make event signups magically easy?

Free for unlimited events and unlimited participants. No ads. Create your first event in 30 seconds.