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Head-to-head · Event Abstract Management Software

Congressio vs Indico

Updated Sep 2026
Both researched from official sources
6 checks side by side

Higher score Congressio #1 in Event Abstract Management Software 10.0/10 Free plan · paid from $49/mo · 14-day trial Free plan✓ 5 of 5 features Visit Congressio

Indico #7 in Event Abstract Management Software 6.8/10 Free plan Free plan✓ 0 of 5 features Visit Indico

Congressio leads on 5 checks, Indico on 0, and 1 is even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

Highest scoreCongressio · 10.0/10
Free planboth
Most featuresCongressio · 5 of 5

Congressio scores higher on our rubric for event abstract management software: 10.0 against 6.8 out of 10; our editors rank them #1 and #7.

Congressio offers scoring tools; Indico doesn't publish it. Congressio offers blind review; Indico doesn't publish it. Congressio offers author revisions; Indico doesn't publish it. Congressio offers poster handling; Indico doesn't publish it. Congressio offers publishing tools; Indico doesn't publish it.

Congressio is the better fit for end-to-end conferences needing deep workflows. Indico is the better fit for organizations wanting open-source event infrastructure.

Congressio fits best
End-to-end conferences needing deep workflows
Indico fits best
Organizations wanting open-source event infrastructure

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. How we rank.

Side by side

Show only differences

Feature	Congressio 10.0/10 Visit ↗	Indico 6.8/10 Visit ↗
At a glance
Editor score	10.0	6.8
Ranking	#1 in Event Abstract Management Software	#7 in Event Abstract Management Software
Best for	End-to-end conferences needing deep workflows	Organizations wanting open-source event infrastructure
Pricing model	Free plan + paid	Free
Starting price	Not published	Not published
Free plan	✓	✓
Free trial	—	—
Deployment	Cloud	Self-hosted, Mobile
Platforms	Web	Web, Android, iOS
Support	Docs	Email, Community, Docs
Integrations	4 integrations	1 integrations
Built for	Small business, Mid-market, Enterprise	Small business, Mid-market, Enterprise
Features Congressio 5/5 · Indico 0/5
Scoring tools	✓ (best)	Not published
Blind review	✓ (best)	Not published
Author revisions	✓ (best)	Not published
Poster handling	✓ (best)	Not published
Publishing tools	✓ (best)	Not published
Specs
Submission types	Multiple	Not published
Review workflow	Custom	Not published
Our review
Pros	Configurable single-, double-, or open-blind review workflows Submission-to-program workflow includes revisions and publishing Registration, ticketing, QR passes, and check-in in one platform	Abstract and paper submission with configurable review workflows Covers registration, paid tickets, QR check-in, and room booking Web, mobile, API, Zoom, and self-hosted deployment options
Cons	Free plan supports only 1 active event and 100 submissions Web-only platform with a focused set of listed integrations Enterprise pricing uses custom contracts and invoicing	Its integration list is centered on Zoom Self-hosted installation requires organizational deployment ownership Its broad feature set may exceed simple event needs
Our verdict	Congressio is a web-based conference-management platform for research symposia, medical congresses, industry summits, developer conferences, and other CFP-driven events. It covers the workflow from submission forms and peer review through… Read the review →	Indico is open-source event management software for lectures, meetings, workshops, and conferences. It supports in-person, hybrid, and virtual formats, with workflows spanning abstract and paper submission, attendee registration, paid… Read the review →

CongressioEvent Abstract Management Software 10.0Free plan · paid from $49/mo · 14-day trial
IndicoEvent Abstract Management Software 6.8Free plan

Compare the top tools in

Strengths and trade-offs

Congressio — where it wins
- Configurable single-, double-, or open-blind review workflows
- Submission-to-program workflow includes revisions and publishing
- Registration, ticketing, QR passes, and check-in in one platform
Where it doesn't
- Free plan supports only 1 active event and 100 submissions
- Web-only platform with a focused set of listed integrations
- Enterprise pricing uses custom contracts and invoicing
Indico — where it wins
- Abstract and paper submission with configurable review workflows
- Covers registration, paid tickets, QR check-in, and room booking
- Web, mobile, API, Zoom, and self-hosted deployment options
Where it doesn't
- Its integration list is centered on Zoom
- Self-hosted installation requires organizational deployment ownership
- Its broad feature set may exceed simple event needs

Congressio10.0/10 · Free plan · paid from $49/mo · 14-day trial
A full conference workflow with a useful free plan and scalable paid tiers.
Visit Congressio Full verdict →
Indico6.8/10 · Free plan
A free, open-source event platform covering abstracts, registration, ticketing, and check-in.
Visit Indico Full verdict →

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Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026

Last updated 28 Sep 2026 · How we research and update