| Core question it answers | Is this claim true? Every claim scored 0-100 with linked evidence | Was this text machine-written, and is the grammar correct? |
| Video, audio & podcast support | Paste a YouTube/TikTok/Instagram Reel/podcast link, or use the Chrome or Firefox extension while watching | None — text paste only |
| Claim-by-claim fact-checking against cited sources | Cross-references each claim against live web sources; evidence linked per claim. Also flags logical fallacies | Does not fact-check claims or cite sources |
| AI-written text detection | No prose authorship scoring. Flags deepfake/AI-generated signals in video and audio media only | Dedicated AI text detector — human-vs-AI percentage, highlights suspicious passages, covers ChatGPT/GPT-4 and many other writing tools |
| Grammar, spelling & multilingual correction | None — not a writing tool | Real-time grammar, spelling and punctuation correction across dozens of languages |
| Price & signup | Free tier; Basic $3.99/mo; Premium $8.99/mo | Free, no registration required |