Eustace
Eustace: A human-reviewed fact-checking workspace with citations, overrides, and Markdown reports. Ranked #16 of 21 in AI Fact-Checking Tools by our editors (7.0/10); pricing: Free plan; best for editors wanting human approval before checking.
At a glance
- Editor score7.0 / 10
- PricingFree plan
- Best forEditors wanting human approval before checking
- Free planYes
- Paid from$180/yr
- Claim detectionYes
- Facts checked22 Sep 2026
Where it wins
- Approves candidate claims before verification
- Checks claims against fresh web sources with citations
- Free plan includes unlimited projects and documents
Where it doesn't
- Access is limited to the web
- Pro includes 500 claim verifications per month
- Verification depends on a human approval queue
Our verdict on Eustace
Eustace is a web-based fact-checking workspace for writers and researchers who need an approval step before claims are checked. It imports text, URLs, PDFs, and Word files, automatically OCRs scanned PDFs, and extracts candidate factual claims with their original quotes. Users choose which claims to verify, while the service presents verdicts, confidence levels, reasoning, and citations. Private evidence, recorded verdict overrides, and Markdown exports support an auditable editorial workflow rather than an unqualified true-or-false result.
The free plan is unusually broad for an assisted fact-checking tool: it includes unlimited projects and documents, the full ledger, overrides, and Markdown reports. Pro costs $19 per month or $180 per year and adds 500 claim verifications every month, alongside everything in Free. This makes the product suitable for editors who want to begin with a no-cost workflow and move to a paid allowance when verification volume requires it. The plan structure is straightforward, with monthly and annual billing available for Pro.
Eustace’s strongest fit is its review and evidence trail. A human approval queue keeps candidate claims under editorial control, while fresh web-source checks, citations, confidence levels, reasoning, private evidence, and overrides give teams more context for decisions. The narrow focus is also the main boundary: access is web-only, and the workflow is built around selecting claims for assisted verification rather than fully automating publication decisions. Editors and researchers who value traceability should consider Eustace; teams seeking a broader platform ecosystem or a hands-off checking process should look elsewhere.
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Eustace pricing
All 2 Eustace plans and prices →
Eustace fact sheet
| Free plan | Yes |
|---|---|
| Paid from | $180/yr |
| Claim detection | Yes |
| Citation links | Yes |
| Source types | Web |
| Fact-check mode | Assisted |
| Supported content | text, URLs, PDFs, Word files |
| Browser extension | Not verified |
| API access | Not verified |
| Deployment | Cloud |
| Platforms | Web |
| Support | |
| Built for | Solo, Small business (editorial estimate) |
| Pricing | Free plan (source) |
| Website | eustace.app |
| Facts checked | 22 Sep 2026 |
Alternatives to Eustace
- Factiverse AIA multilingual fact-checking platform for media, research, government, and AI teams.9.4
- Meedan CheckAn open-source workspace for teams verifying claims across text, links, images, video, and audio.9.2
- Full Fact AIA focused newsroom platform for finding, analysing and tracking claims across media.9.0
See all Eustace alternatives →
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Featured on iTechGuides
Eustace is listed in our AI Fact-Checking Tools directory. Add the badge to your site — it links back to this page.
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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