Signal
Signal: A free web tool for checking claims, headlines, and URLs with scored verification. Ranked #17 of 21 in AI Fact-Checking Tools by our editors (6.9/10); pricing: Free plan; best for free breaking-news and claim verification.
At a glance
- Editor score6.9 / 10
- PricingFree plan
- Best forFree breaking-news and claim verification
- Free planYes
- Claim detectionYes
- Facts checked22 Sep 2026
Where it wins
- Verifies claims, headlines, and URLs with a six-dimension Signal Score
- Cross-verifies claims against multiple independent sources
- Tracks corrections, retractions, alerts, and social posts
Where it doesn't
- Web access is the only listed platform
- Verification is limited to claims, headlines, and URLs
- No paid-tier features are described
Our verdict on Signal
Signal is a web-based AI news verification platform for people and teams assessing the credibility of current news and online claims. Users can enter a claim, headline, or URL and receive a Signal Score across six verification dimensions, along with supporting source trails. Its focus is current-news assessment rather than broad content analysis, making it a fit for readers, researchers, editors, and teams that need a structured way to review breaking information.
The free tier costs 0 and includes AI Copilot chats and audio briefings alongside the core verification features. Signal can cross-verify claims against multiple independent sources, provide context through the AI Copilot, and deliver personalized breaking-news alerts. Public correction and retraction tracking adds an ongoing layer to the review process, helping users follow how a claim’s status changes after publication. Audio briefings extend the product beyond text-based checking, while the six-dimensional score gives the verification result a consistent structure.
Signal also accepts Twitter/X and Reddit ingestion, which helps bring social posts into a news-verification workflow. Its listed source type is web, and its supported content is limited to claims, headlines, and URLs. That focused scope should suit buyers who want free claim and breaking-news verification in a browser, especially when independent-source comparison and correction tracking matter. Buyers seeking broader input coverage, API access, or browser-wide fact-checking should consider a product with a wider platform and integration range instead.
Your product? Our editors can test Signal in depth and publish a review, labelled as paid · from $149/mo →
Signal pricing
All 1 Signal plans and prices →
Signal fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Not verified |
| Claim detection | Yes |
| Citation links | Yes |
| Source types | Web |
| Fact-check mode | Automatic |
| Supported content | claims, headlines, URLs |
| Browser extension | Not verified |
| API access | Not verified |
| Deployment | Cloud |
| Platforms | Web |
| Built for | Solo, Small business (editorial estimate) |
| Integrations | 2 integrations: Twitter/X, Reddit |
| Pricing | Free plan (source) |
| Website | signalnews.live |
| Facts checked | 22 Sep 2026 |
Signal integrations
Signal lists 2 integrations on its own site.
- Twitter/X
Alternatives to Signal
- 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
Used Signal? Be the first to review it
The editor score above is our own research. What this page doesn't have yet is a reader's view — what you used Signal for, what worked and what didn't. No stars are seeded and no review is paid for; an editor reads every one before it appears.
Write a reviewTwo minutes · verified accounts only · read by an editor before it appears
Featured on iTechGuides
Signal is listed in our AI Fact-Checking Tools directory. Add the badge to your site — it links back to this page.
<a href="https://www.itechguides.com/products/signal-ai-fact-checking-tool/"><img src="https://www.itechguides.com/best/badge/signal-ai-fact-checking-tool.svg" alt="Featured on iTechGuides" width="230" height="46"></a>
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
Last updated · How we research and update