Free / Open-sourceAI detector that highlights evidence, not just a score
Free / Open-sourceAI detector that highlights evidence, not just a score

12 alternatives to factfully, matched by what they do.
| Rank | Tool & Tagline | Official Domain | Monthly Visits | MoM Growth | Pricing Model | Primary Market | Rating | Compare |
|---|
| ● | factfully | chromewebstore.google.com | 0 | 0 (—) | Contact for Pricing | Global | 3.2 | Profile |
| 1 | Detecting-AI.com | detecting-ai.com | 505.15K | 419.96K (+493%) | Freemium, Paid | United States | 3.8 | Compare |
| 2 | Truth Keeper | chromewebstore.google.com | 0 | 0 (—) | Free | Global | 3.1 | Compare |
| 3 | FallacyFilter: Bias & Fallacy Detector | chromewebstore.google.com | 0 | 0 (—) | Free | Global | 3.2 | Compare |
| 4 | GPTZero | gptzero.me | 23.25M | 5.7M (+32.5%) | Freemium, Paid | United States | 4.1 | Compare |
| 5 | ZeroGPT Plus | zerogpt.plus | 134.64K | 23.41K (+21%) | Freemium | United States | 3.8 | Compare |
| 6 | Dechecker | dechecker.ai | 111.35K | 4.49K (+4.2%) | Freemium | United States | 3.8 | Compare |
| 7 | CiteTrue | citetrue.com | 43.07K | -6.96K (-13.9%) | Free | United States | 4.1 | Compare |
| 8 | MyDetector | mydetector.ai | 534.48K | 5.79K (+1.1%) | Free | United States | 3.5 | Compare |
| 9 | AI Detector Writer | aidetectorwriter.com | 111.13K | 32.63K (+41.6%) | Free | Russia | 3.8 | Compare |
| 10 | Isgen AI Detector | isgen.ai | 901.92K | 49.42K (+5.8%) | Freemium | South Korea | 3.8 | Compare |
| 11 | AI Content Detector for ChatGPT - Sapling.ai | chromewebstore.google.com | 0 | 0 (—) | Freemium | Global | 4.4 | Compare |
| 12 | ZeroGPT.CC | zerogpt.cc | 78.74K | -7.07K (-8.2%) | Freemium | United States | 3.6 | Compare |
Free / Open-sourceAI detector that highlights evidence, not just a score
Free / Open-sourceAI detector that highlights evidence, not just a score

Free / Open-sourceAI-powered Chrome extension that scores any text for truthfulness
Free / Open-sourceAI-powered Chrome extension that scores any text for truthfulness

Free / Open-sourceSpot bias, weak sourcing, and shaky claims while you read the news
Free / Open-sourceSpot bias, weak sourcing, and shaky claims while you read the news
Free / Open-sourceAI detection and writing verification built for schools and editors
Free / Open-sourceAI detection and writing verification built for schools and editors

Free / Open-sourceFree AI detector with sentence-level reports for ChatGPT, Gemini & Claude text
Free / Open-sourceFree AI detector with sentence-level reports for ChatGPT, Gemini & Claude text

Free / Open-sourceFree AI content detector that flags machine-written text and helps you rewrite it
Free / Open-sourceFree AI content detector that flags machine-written text and helps you rewrite it
Free / Open-sourceFree AI citation checker that catches fake and hallucinated references
Free / Open-sourceFree AI citation checker that catches fake and hallucinated references

Free / Open-sourceFree AI detector with sentence-level insight and a humanizer
Free / Open-sourceFree AI detector with sentence-level insight and a humanizer

Free / Open-sourceFree, unlimited AI content detection with sentence-level scoring
Free / Open-sourceFree, unlimited AI content detection with sentence-level scoring

Free / Open-sourceMultilingual AI detector with sentence-level insight
Free / Open-sourceMultilingual AI detector with sentence-level insight

Free / Open-sourceHighlight any text and get an instant AI-vs-human verdict with sentence-level breakdown
Free / Open-sourceHighlight any text and get an instant AI-vs-human verdict with sentence-level breakdown
Free / Open-sourceFree AI content detector with sentence-level analysis
Free / Open-sourceFree AI content detector with sentence-level analysis