Best AI Fact-Checking Tools in 2026
Updated
In short: VerumVerify is ranked #1 of 21 as of 3 October 2026, ahead of FactGuard and Avancer Document Fact-Checker. The best-ranked option with a free plan is FactGuard. The lowest first paid tier on this page is FactGuard at $3.08/mo.
When you need to check claims, compare what each tool can review and how it presents supporting evidence. Claim detection and fact-check mode are central criteria; source types, supported content, and citation links show other aspects to weigh. API access or a browser extension may fit particular workflows, while free-plan availability and paid-from pricing add cost considerations. VerumVerify, FactGuard, and Avancer Document Fact-Checker begin the ranking, followed by Crowdee and Factward among the early entries. Consider the listed capabilities in relation to the material you review and how you need to inspect sources.
21 AI fact-checking tools ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
10 of the 21 here have a free tier you can use, 0 have open-source code on record, and 0 have full bars: free, open, on most of your devices and documented.
| # | App | Signal | Free tier | Open code | Devices | From | Score |
|---|---|---|---|---|---|---|---|
| 1 | VerumVerifyWeb · Android · iPhone | Three bars | — | 3 of 6 | $12.99/mo | 6.6 | |
| 2 | FactGuardWeb · iPhone · API | Two bars | — | 2 of 6 | $3.08/mo | 6.5 | |
| 3 | Avancer Document Fact-CheckerWeb · Self-hosted · API | Two bars | — | 1 of 6 | $12.99/mo | 6.4 | |
| 4 | CrowdeeWeb · Self-hosted · API | Two bars | — | 1 of 6 | Free | 6.4 | |
| 5 | FactwardWeb · API · Extension | Two bars | — | 1 of 6 | $9/mo | 6.4 | |
| 6 | FAXTRWeb · API | Two bars | — | 1 of 6 | $49/mo | 6.4 | |
| 7 | GrounderyWeb · Extension | Two bars | — | 1 of 6 | $599/mo | 6.4 | |
| 8 | TrusulWeb | Two bars | — | 1 of 6 | $4.99/mo | 6.4 | |
| 9 | StippleWeb · API | Two bars | — | 1 of 6 | Free | 6.3 | |
| 10 | Factiverse AIWeb · Android · iPhone | One bar | — | — | 3 of 6 | — | 5.4 |
| 11 | EustaceWeb | No signal | — | — | 1 of 6 | — | 5.2 |
| 12 | FactVerifyWeb | No signal | — | — | 1 of 6 | — | 5.2 |
| 13 | Full Fact AIWeb | No signal | — | — | 1 of 6 | — | 5.2 |
| 14 | Meedan CheckWeb | One bar | — | — | 1 of 6 | — | 5.2 |
| 15 | ScrutinlyWeb | No signal | — | — | 1 of 6 | — | 5.2 |
| 16 | SignalWeb | No signal | — | — | 1 of 6 | — | 5.2 |
| 17 | VeritierWeb · API | One bar | — | 1 of 6 | $19.99/mo | 5.2 | |
| 18 | FactPressWeb | No signal | — | — | 1 of 6 | — | 5.1 |
| 19 | Fact Checking AppNo platforms listed | No signal | — | — | 0 of 6 | — | 5.0 |
| 20 | ClaimCrushWeb | No signal | — | — | 1 of 6 | — | 4.8 |
| 21 | Omniscient AIWeb | No signal | — | — | 1 of 6 | — | 4.8 |
Is your app on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which AI fact-checking tool is ranked first on Freedom251?
VerumVerify is ranked #1 of 21 with a score of 6.6. FactGuard is second and Avancer Document Fact-Checker third.
How many of these have a free plan?
10 of the 21 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, FactGuard has the lowest first paid tier we found: $3.08/mo.
How is this list ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation. Paid placements never change a rank.