Side by side
Catchii vs Colandr
Both stand on ai literature review software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Catchii covers systematic review screening from duplicate checks through exports and PRISMA flowchart generation, with support for multiple reviewers and offline work. Note that its AI Auto Reviewer sends uploaded records to an external service for processing.
Visit Catchii
Choose Colandr for a free, web-based evidence review workflow with team collaboration and machine-learning assistance for screening and extraction. It may be less suitable if you need direct database connections or batch full-text uploads, since citations must come from another system and full texts are added one at a time.
Visit ColandrThe facts
| Catchii | Colandr | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Web | Web |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 2 | 1 |
| Maker | Not published | Not published |
| Website | catchii.org | colandrapp.com |
| On ai literature review software | #6 of 38 | #10 of 38 |
Catchii: what it does well
- Free with no subscription fees or paid upgrades.
- Supports offline screening on computers and mobile devices.
- Includes duplicate detection and disagreement resolution.
- Exports records with PDF attachments and a PRISMA flowchart.
What to know first
- Auto Reviewer sends uploaded records to OpenAI.
- Focused on systematic review screening.
Colandr: what it does well
- Free access for collaborative reviews.
- Machine learning ranks citations by relevance.
- Natural language processing supports classification and extraction.
- Review teams can collaborate and cross-check decisions.
- Exports screening decisions and extracted data as CSV.
What to know first
- No direct connection to citation databases.
- Full-text papers must be uploaded individually.
- Imports are limited to 40 MB each.
- Relevance rankings refresh only after every 10 citations screened.
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