Side by side

Evidentum vs Rayyan

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.

Evidentum

Free plan Web

Evidentum brings literature search, screening, and appraisal into a browser-based review workflow. Check the separate-search requirements and AI data sharing before using it for a project.

Visit Evidentum

Rayyan supports the review workflow from reference import through reporting, with AI-assisted screening and extraction. Check the plan limits and database-import approach: external references are exported and uploaded, not connected directly.

Visit Rayyan

The facts

	Evidentum	Rayyan
Free plan	Yes	Yes
Open source	Not published	Not published
Runs on	Web	Android, API, iPhone, Web
Lowest paid plan	Free or on request	Essential: $4.99 per seat a month
Plans published	1	5
Maker	Not published	Not published
Website	evidentum.app	rayyan.ai
On ai literature review software	#13 of 38	#9 of 38

Evidentum: what it does well

Searches seven listed research databases.
Includes reporting and risk-of-bias checklists.
PDF Scanner processes papers locally in the browser.
Exports to CSV, RIS, and BibTeX.

What to know first

Free plan is for non-commercial research.
AI appraisal requires the user's provider API key.
Some database searches require users to run and import results.
Scopus requires an Elsevier API key and off-campus InstToken.

Rayyan: what it does well

Workflow covers screening, extraction, risk-of-bias assessment, and reporting.
AI tools provide recommendations with reasoning or justification.
Free plan allows three active reviews and two free reviewers.
API supports programmatic access and workflow automation.
Available on Android, iOS, and the web.

What to know first

No direct connection to external databases.
Free plan has limited mobile app access.
Paid plans are billed annually.

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