Head-to-head · Peer Assessment Software
CrowdGrader vs ComPAIR
CrowdGrader leads on 1 check, ComPAIR on 1, and 3 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreCrowdGrader · 9.8/10
- Free planboth
CrowdGrader scores higher on our rubric for peer assessment software: 9.8 against 7.1 out of 10; our editors rank them #1 and #7.
CrowdGrader offers moderation tools; ComPAIR doesn't publish it. ComPAIR offers gradebook sync; CrowdGrader doesn't publish it.
CrowdGrader is the better fit for educators needing affordable peer assessment. ComPAIR is the better fit for canvas users seeking free open-source peer review.
- CrowdGrader fits best
Educators needing affordable peer assessment
- ComPAIR fits best
Canvas users seeking free open-source peer review
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Side by side
| Feature | CrowdGrader 9.8/10 Visit ↗ | ComPAIR 7.1/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 9.8 | 7.1 |
| Ranking | #1 in Peer Assessment Software | #7 in Peer Assessment Software |
| Best for | Educators needing affordable peer assessment | Canvas users seeking free open-source peer review |
| Pricing model | Free plan + paid | Free |
| Starting price | Not published | Not published |
| Free plan | ✓ | ✓ |
| Free trial | — | — |
| Deployment | Cloud | Cloud, Self-hosted |
| Platforms | Web | Web |
| Support | Email, Docs | Docs |
| Integrations | 1 integrations | 2 integrations |
| Built for | Solo, Small business, Mid-market, Enterprise | Mid-market, Enterprise |
| Features CrowdGrader 3/4 · ComPAIR 3/4 | ||
| Rubric scoring | ✓ | ✓ |
| Moderation tools | ✓ (best) | Not published |
| LMS integration | ✓ | ✓ |
| Gradebook sync | Not published | ✓ (best) |
| Specs | ||
| Reviewer anonymity | One_way | One_way |
| Review allocation | Automatic | Automatic |
| Our review | ||
| Pros |
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| Cons |
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| Our verdict | CrowdGrader is a web-based peer-assessment platform for educators and students. Instructors can create or clone assignments, set grading criteria or rubrics, collect text, code, reports, attachments, and group submissions, then assign… Read the review → |
ComPAIR is an open-source peer assessment application developed by the University of British Columbia. It is designed for instructors who want students to review classmates’ work through structured comparisons rather than only assigning… Read the review → |
Strengths and trade-offs
CrowdGrader — where it wins
- Automatic peer-review assignment with anonymous reviews
- Rubrics, consensus grading, and outlier handling
- Web platform with Learning Management System integration
Where it doesn't
- Free educator plan is limited to up to 20 students
- Educator pricing is charged per assignment
- Designed for web use rather than a broader platform mix
ComPAIR — where it wins
- Anonymous paired comparison with instructor-defined rubrics
- Automatic allocation, adaptive scoring and written feedback
- Canvas integration with LTI authentication and grade updates
Where it doesn't
- Self-hosted deployment requires technical administration
- Built around one-way reviewer anonymity
- Live UBC hosting requires registration or UBC IT support
- CrowdGrader9.8/10 · Free plan · paid from $2.99 · 21-day trial
Affordable peer assessment with anonymous reviews, rubrics, and LMS integration.
Visit CrowdGraderFull verdict → - ComPAIR7.1/10 · Free plan
A free, Canvas-connected peer review tool built around anonymous paired comparison.
Visit ComPAIRFull verdict →
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Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026
Last updated · How we research and update