# factfully vs Grammarly

factfully records 0 monthly visits with — month-over-month growth and Contact for Pricing pricing. Grammarly records 58,867,412 monthly visits with -1.5% growth and Freemium pricing.

| Metric | [factfully](https://openaitools.app/tool/factfully) | [Grammarly](https://openaitools.app/tool/grammarly) |
| :--- | :--- | :--- |
| Website URL | https://chromewebstore.google.com/detail/factfully/lnapbpfojpeppgmmiabomcnidnlgnlni | https://www.grammarly.com |
| Categories | AI Checker, AI Content Detector, AI Text Classifier, AI Detector | AI Writing Assistants, AI Writing, AI Grammar Checker, AI Text Generator |
| Pricing Model | Contact for Pricing | Freemium |
| Monthly Visits | 0 | 58,867,412 |
| MoM Growth Rate | — | -1.5% |
| Primary Market | Global | United States |
| Direct Visits | 0 | 25,398,749 |
| Review Score | 3.2 | 4.4 |
| Saved Count | 0 | 74 |
| Supported Platforms | Browser Extension | Website |

## factfully

factfully is a Chrome extension designed to combat the spread of fake news with automated AI analysis. Instead of relying only on human fact-checkers, it uses trained algorithms to assess whether content on the internet is likely true and, when something looks false, to help surface what lies behind the claim. The extension is intended for readers who want a faster read on the credibility of news and social media posts.

The checking process works in stages. First, a neural network ranks a statement across several metrics, such as sensationalism, testability, and political bias, to pre-evaluate whether it seems true. Next, a tokenization algorithm strips away filler and identifies which parts can be objectively fact-checked versus which are subjective opinion. Finally, the system scans thousands of websites across the web to see whether the statement has been corroborated elsewhere.

factfully is distributed through the Chrome Web Store as a browser extension, and its developer has stated that other platforms are planned. Because misinformation detection is probabilistic, results should be treated as one signal among several rather than a final verdict, and users can review the listing's privacy disclosures before installing.

**Pricing & Plans:** Distributed through the Chrome Web Store. See the extension listing for current availability and any pricing details.

- **AI misinformation scoring:** Ranks statements across metrics such as sensationalism, testability, and political bias to flag likely false content.
- **Fact vs. opinion split:** Tokenization separates objectively checkable claims from subjective opinions before verification.
- **Multi-source corroboration:** Scans thousands of websites to see whether a statement is backed by other sources.
- **Runs in your browser:** Delivered as a Chrome extension so checks sit alongside the content you are reading.

**Strengths:** Automates an initial credibility check on news and posts; Breaks analysis into bias, testability, and corroboration steps; Runs directly in the browser alongside the content

**Limitations:** AI verdicts are probabilistic, not definitive; Limited to a Chrome extension at present; Only 2 ratings on the store reflect a small user base

[Profile (Markdown)](https://openaitools.app/tool/factfully.md)

## Grammarly

Grammarly is the world's most widely deployed AI writing and communication platform, trusted by more than 40 million daily users and 50,000 organizations including Atlassian, Databricks, and Zoom. Operating as a persistent overlay across over 500,000 web applications, desktop programs (Windows and macOS), Microsoft Office, Google Docs, and iOS/Android keyboards, Grammarly analyzes text in real time to eliminate grammatical errors, streamline wordy phrasing, and calibrate tone to match the writer's intent. Following its corporate evolution under the Superhuman Platform umbrella alongside Superhuman Mail and Coda, Grammarly has expanded from a personal proofreader into an enterprise-grade proactive AI communication suite.

In 2026, Grammarly goes well beyond red-underline spellchecking with a suite of specialized AI Agents and document integrity tools. Writers can invoke purpose-built agents—including AI Grader, Citation Finder, Reader Reactions, and Paraphraser—alongside generative AI drafting directly inline where they work. To address academic and professional transparency in the generative AI era, Grammarly offers built-in Plagiarism Detection, an AI Detector, and Grammarly Authorship, which tracks how a document was constructed by automatically categorizing text as human-typed, pasted from external sources, or generated/modified with AI. For teams, Grammarly enforces organizational consistency through custom Style Guides, Brand Tones, reusable Snippets, and Knowledge Share.

Grammarly simplified its subscription structure by consolidating its legacy individual 'Premium' and team 'Business' offerings into a single unified tier: Grammarly Pro. The Free plan ($0/month) covers essential spelling, punctuation, basic tone visibility, and 100 generative AI prompts per month. Grammarly Pro is priced at $12/member/month when billed annually ($144/year) or $30/member/month when billed monthly ($60 quarterly), unlocking unlimited personalized fluency suggestions, full-sentence rewrites, tone adjustment, citation formatting, plagiarism and AI detection, 1 team style guide, and 2,000 generative AI prompts per member each month. Large organizations opt for Grammarly Enterprise (available with Superhuman Go) for unlimited AI prompts, SAML SSO, SCIM provisioning, Data Loss Prevention (DLP), and Bring Your Own Key (BYOK) encryption.

**Pricing & Plans:** Free plan ($0/month) includes core grammar and spelling checks, tone detection, and 100 generative AI prompts/month; Grammarly Pro costs $12/member/month billed annually ($144/year, or $30/month billed monthly) with full-sentence rewrites, plagiarism/AI detection, team style guides, and 2,000 AI prompts/month, while Enterprise offers custom pricing with unlimited AI prompts and BYOK security.

- **Ubiquitous Inline Rewriting & Tone Calibration:** Works natively inside Chrome, Safari, Firefox, Edge, Windows, Mac, Google Docs, MS Office, and mobile keyboards to flag grammar mistakes, rewrite tangled sentences, and shift tone toward confident, empathetic, or executive registers.
- **Specialized AI Agents (AI Grader, Citation Finder & Reader Reactions):** Deploys contextual AI agents that predict how a target audience will react to a draft, locate credible supporting citations, grade essays against rubric criteria, and generate drafts using up to 2,000 monthly prompts on Pro.
- **Grammarly Authorship, AI Detector & Plagiarism Checker:** Scans text against billions of web pages and academic databases for accidental plagiarism, detects AI-generated passages, and logs transparent document provenance via Authorship reports in Google Docs and Word.
- **Team Style Guides, Brand Tones & Knowledge Share:** Enables teams on Pro and Enterprise plans to codify company terminology, ban deprecated jargon, enforce inclusive language, insert shared Snippets, and surface internal company definitions inline.
- **Enterprise Security, DLP & Superhuman Platform Governance:** Protects organizational data with SOC 2 Type 2 attestation, SAML SSO, SCIM lifecycle management, Confidential Mode, Data Loss Prevention controls, Audit Logs API, and customer-managed BYOK encryption.

**Strengths:** Frictionless cross-platform integration works inside virtually every browser, desktop app, email client, and mobile OS without copy-pasting into a separate chatbot.; Consolidating Premium and Business into Grammarly Pro ($12/member/month annual) gives individuals and small teams access to style guides, analytics, and plagiarism/AI detection in one plan.; Grammarly Authorship provides a constructive, transparent audit trail for students and writers to demonstrate human writing integrity alongside responsible AI editing.; Mature enterprise security posture featuring BYOK encryption, Data Loss Prevention, and granular application/domain blocklists.

**Limitations:** Month-to-month billing on Grammarly Pro is steep at $30/member/month compared to the $12/member/month annual commitment ($144 billed upfront).; Core writing intelligence and style rules remain primarily optimized for English dialects (US, UK, Canadian, Australian, Indian) rather than native multilingual grammar checking.; Aggressive inline underlines and pop-up agent cards can feel visually intrusive in dense technical documents or code-heavy web editors unless muted per domain.

[Profile (Markdown)](https://openaitools.app/tool/grammarly.md)

## Frequently Asked Questions

### How do factfully and Grammarly compare in monthly traffic?

factfully has 0 monthly visits, while Grammarly has 58,867,412. Traffic estimates describe audience size, not product quality.

### How do their growth rates compare?

factfully has a month-over-month growth rate of —; Grammarly has -1.5%.

### How does pricing compare?

factfully: Contact for Pricing. Distributed through the Chrome Web Store. See the extension listing for current availability and any pricing details. Grammarly: Freemium. Free plan ($0/month) includes core grammar and spelling checks, tone detection, and 100 generative AI prompts/month; Grammarly Pro costs $12/member/month billed annually ($144/year, or $30/month billed monthly) with full-sentence rewrites, plagiarism/AI detection, team style guides, and 2,000 AI prompts/month, while Enterprise offers custom pricing with unlimited AI prompts and BYOK security.

## Alternatives

| # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Profile (Markdown) |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1 | [DeepL](https://openaitools.app/tool/deepl) | 95,110,871 | -1.7% | Freemium | Outstanding for context-aware translation and professional writing refinement, but not designed as a dedicated grammar checker. | [.md](https://openaitools.app/tool/deepl.md) |
| 2 | [QuillBot Paraphraser](https://openaitools.app/tool/quillbot-paraphraser) | 36,630,337 | +2.3% | Freemium | Excels at heavy paraphrasing and text rewriting, but offers less seamless inline real-time proofreading across all apps. | [.md](https://openaitools.app/tool/quillbot-paraphraser.md) |
| 3 | [GPTZero](https://openaitools.app/tool/gptzero-me) | 23,246,989 | +32.5% | Freemium, Paid | AI detection and writing verification built for schools and editors | [.md](https://openaitools.app/tool/gptzero-me.md) |
| 4 | [LanguageTool](https://openaitools.app/tool/languagetool) | 5,707,795 | -4.2% | Freemium | Provides strong multilingual grammar and style checking across apps, but offers fewer advanced generative AI features. | [.md](https://openaitools.app/tool/languagetool.md) |
| 5 | [ProWritingAid](https://openaitools.app/tool/prowritingaid-com) | 1,623,266 | +17.6% | Freemium, Paid | Delivers deeper manuscript analysis and structural reports, but has a steeper learning curve than Grammarly. | [.md](https://openaitools.app/tool/prowritingaid-com.md) |
| 6 | [Paperpal](https://openaitools.app/tool/paperpal) | 1,111,641 | +1.7% | Freemium | AI academic writing assistant that edits, cites, and checks your manuscript right where you write | [.md](https://openaitools.app/tool/paperpal.md) |
| 7 | [Isgen AI Detector](https://openaitools.app/tool/isgen-ai) | 901,917 | +5.8% | Freemium | Multilingual AI detector with sentence-level insight | [.md](https://openaitools.app/tool/isgen-ai.md) |
| 8 | [Hemingway Editor](https://openaitools.app/tool/hemingway-editor) | 605,169 | -8.6% | Free Trial, Paid, Free | Highlights readability and sentence complexity visually, but lacks automated grammar correction and browser-wide extension support. | [.md](https://openaitools.app/tool/hemingway-editor.md) |
| 9 | [MyDetector](https://openaitools.app/tool/mydetector) | 534,478 | +1.1% | Free | Free AI detector with sentence-level insight and a humanizer | [.md](https://openaitools.app/tool/mydetector.md) |
| 10 | [Detecting-AI.com](https://openaitools.app/tool/detecting-ai-com) | 505,146 | +493% | Freemium, Paid | AI detector that highlights evidence, not just a score | [.md](https://openaitools.app/tool/detecting-ai-com.md) |

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Source: https://openaitools.app/compare/factfully-vs-grammarly

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