Congressio
7.3#4 in event abstract management softwareFrom $49 a monthFree planWebAPI
VisitCongressio vs Symposio
What both publish
| Fact | Congressio | Symposio |
|---|---|---|
| Payments | Congressio supports tiered ticket sales through Stripe, with discount codes, add-ons, VAT invoices and refunds. | The Standard plan lists PayPal, Systempay or bank transfer as payment methods. |
| Peer review | Organizers can auto-assign reviewers, enforce deadlines and use conflict-of-interest detection. | The peer review system supports multiple evaluation levels, reviewer assignments, automatic scoring and ranking, and acceptance or rejection notifications. |
| Purpose | Congressio brings conference submissions, peer review, decisions, scheduling and attendee registration into one platform. | Symposio is an all-in-one solution for organisers of scientific conferences and symposia, with tools for registrations, abstract submissions and programme scheduling. |
| Support | The contact page says support normally replies within one business day and prioritizes urgent requests during live events. | Support varies by plan: Standard technical support, personalised technical support with Premium, and priority technical support with Custom. |
Congressio plans
- FreeFree
- Standard$49 a month
- Professional$149 a month
- EnterprisePriced on request
Symposio plans
- StandardPriced on request
- PremiumPriced on request
- CustomPriced on request
Pick Congressio if…
Congressio suits academic or non-academic conference organizers who want submission, review, program, registration, and event access tools in one platform. It may also fit events that need virtual sessions or multilingual interfaces.
Pick Symposio if…
You want what its maker publishes above — check its page for the details.