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Head-to-head · Event Abstract Management Software

Congressio vs OpenReview

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score Congressio #1 in Event Abstract Management Software 9.4/10 Free plan · 14-day trial Free planFree trial✓ 5 of 5 features Visit Congressio
OpenReview #8 in Event Abstract Management Software 8.6/10 Free plan Free plan✓ 1 of 5 features Visit OpenReview

Congressio leads on 0 checks, OpenReview on 0, and 6 are 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 · 9.4/10
  • Free planboth
  • Free trialonly Congressio
  • Most featuresCongressio · 5 of 5

Congressio scores higher on our rubric for event abstract management software: 9.4 against 8.6 out of 10; our editors rank them #1 and #8.

Congressio is the better fit for end-to-end conferences needing deep workflows. OpenReview is the better fit for open peer-review communities and research venues.

  • Congressio fits best

    End-to-end conferences needing deep workflows

  • OpenReview fits best

    Open peer-review communities and research venues

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Congressio 9.4/10 Visit ↗ OpenReview 8.6/10 Visit ↗
At a glance
Editor score 9.4 8.6
Ranking #1 in Event Abstract Management Software #8 in Event Abstract Management Software
Best for End-to-end conferences needing deep workflows Open peer-review communities and research venues
Pricing model Free plan + paid Free
Starting price $490/yr Free plan
Free plan ✓ ✓
Free trial 14 days —
Deployment Cloud Cloud
Platforms Web Web
Support Docs Email, Docs
Integrations 4 integrations 1 integrations
Built for Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Congressio 5/5 · OpenReview 1/5
Scoring tools ✓ (best) Not checked yet
Blind review ✓ ✓
Author revisions ✓ (best) Not checked yet
Poster handling ✓ (best) Not checked yet
Publishing tools ✓ (best) Not checked yet
Specs
Submission types Multiple Not checked yet
Review workflow Custom Not checked yet
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
  • Free paper submissions with no fees
  • Configurable multi-stage review, visibility, and conflict workflows
  • REST API supports records, assignments, permissions, and automation
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
  • Schedule-building is not a documented workflow
  • Technical automation depends on REST API configuration
  • Focused on review and publication rather than general event operations
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 →

OpenReview is a cloud-based platform for conferences, workshops, journals, and symposiums. It supports paper and abstract submission, reviewer coordination, configurable peer-review policies, discussion, decisions, and publication.…

Read the review →
  1. CongressioEvent Abstract Management Software 9.4Free plan · 14-day trial
  2. OpenReviewEvent Abstract Management Software 8.6Free plan

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

  • OpenReview — where it wins

    • Free paper submissions with no fees
    • Configurable multi-stage review, visibility, and conflict workflows
    • REST API supports records, assignments, permissions, and automation

    Where it doesn't

    • Schedule-building is not a documented workflow
    • Technical automation depends on REST API configuration
    • Focused on review and publication rather than general event operations

More comparisons

All event abstract management software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update