FactGuard
7.6#1 in ai fact-checking toolsFrom $36.99 a yearFree planiOSWebAPI
VisitFactGuard vs Omniscient AI
Omniscient AI
6.7#6 in ai fact-checking toolsFrom $399 a monthFree planWebAPIExtension
VisitWhat both publish
| Fact | FactGuard | Omniscient AI |
|---|---|---|
| Purpose | FactGuard checks claims, headlines, or URLs and returns a verdict with reasoning and cited sources. | Omniscient AI offers source-linked fact-checking for publishers through an API, a WordPress plugin, and a Chrome extension. |
| Security | The privacy policy lists TLS in transit, Firebase App Check, cryptographic nonces for Sign in with Apple, and password hashing by its authentication provider as security measures. | The developer documentation requires Bearer-token authentication for API requests and says API keys can be revoked from the dashboard. |
FactGuard plans
- FreeFree
- Free / Dev APIFree
- FactGuard Pro Monthly$4.99 a month
- FactGuard Pro, Monthly$4.99 a month
- FactGuard Pro Annual$36.99 a year
- FactGuard Pro, Annual$36.99 a year
Omniscient AI plans
- MeteredFree
- Always-On Pro$399 a month
- Agency$1,000 a month
- Enterprise$10,000 a month
Pick FactGuard if…
FactGuard may suit readers who want claim checks accompanied by reasoning, citations, and a confidence score. Its API and early-access MCP server may interest people seeking integrations, though API access and team pricing are under development.
Pick Omniscient AI if…
Omniscient AI suits publishers and teams that need claim checks with source citations in editorial or web workflows. Its API and integrations also serve developers building fact-checking into other tools.