Side by side
Congressio vs Fourwaves
Both stand on event abstract management software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan APIWeb
Congressio covers conference workflows from submission and review through ticketing and virtual sessions. Its free plan has defined event, submission, and seat limits, and payment currency options are limited to three currencies.
Visit Congressio Free plan AndroidAPIiPhone+2
Fourwaves combines submission, review, registration and event tools for academic conferences. The free Starter plan has a 25-submission annual cap, and each listed plan carries a 3% service fee.
Visit FourwavesThe facts
| Congressio | Fourwaves | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | API, Web | Android, API, iPhone, Mac, Web |
| Lowest paid plan | Standard: $49 a month | Essential: $999 a year |
| Plans published | 4 | 4 |
| Maker | Not published | Not published |
| Website | congressio.net | fourwaves.com |
| On event abstract management software | #7 of 29 | #3 of 29 |
Congressio: what it does well
- Free plan includes one active event.
- Supports double-blind review and conflict detection.
- Offers virtual-event streaming, Q&A, and polls.
- QR passes work with Apple and Google Wallet.
- Interface is available in six languages.
What to know first
- Free plan is limited to 100 submissions.
- Free plan includes only three team seats.
- Online ticket payments support EUR, GBP, and USD only.
- Paid plans start at $49 a month.
Fourwaves: what it does well
- Supports single- and double-blind review
- Exports abstract books with author indexes
- Mobile app works offline
- Starter includes unlimited registrations and events
- API includes event and submission endpoints
What to know first
- Starter caps yearly abstract submissions at 25
- All three listed plans have a 3% service fee
- New submissions pause at the plan cap
Alternatives to Congressio Alternatives to Fourwaves The whole list

