Evite works when the job is simple: send an invitation, collect RSVPs, remind guests, and keep a casual host organized. The free tier is useful, and Premium can be worth it for hosts who want a cleaner, ad-free presentation.
The main risk is expectation mismatch. Evite is a consumer invitation product, not event registration infrastructure. For paid events, branded business programs, or anything operationally sensitive, use a more purpose-built registration or event marketing tool.