# ClaimValidator vs Scribbr

ClaimValidator records 0 monthly visits with — month-over-month growth and Free pricing. Scribbr records 7,530,803 monthly visits with +14.6% growth and Freemium pricing.

| Metric | [ClaimValidator](https://openaitools.app/tool/claimvalidator) | [Scribbr](https://openaitools.app/tool/scribbr) |
| :--- | :--- | :--- |
| Website URL | https://chromewebstore.google.com/detail/claimvalidator/clkakakhimoekhkimloikphebkmoinfe | https://www.scribbr.com |
| Categories | AI Checker, Large Language Models (LLMs), Open Source AI Models, AI Detector | AI Writing, AI Proofreading, AI Plagiarism Checker, AI Writing Assistants |
| Pricing Model | Free | Freemium |
| Monthly Visits | 0 | 7,530,803 |
| MoM Growth Rate | — | +14.6% |
| Primary Market | Global | United States |
| Direct Visits | 0 | 2,472,819 |
| Review Score | 4.3 | 4.4 |
| Saved Count | 0 | 0 |
| Supported Platforms | Browser Extension | Website |

## ClaimValidator

ClaimValidator tackles a very specific problem: people link to sources that don't actually prove the point they're making. The extension lives on Old Reddit and adds a "Validate Claim" button to every comment that contains a link. Clicking it starts a three-step analysis: the tool extracts each claim the comment makes, pulls the content from the linked source, and then judges whether the source substantiates each claim. The extraction and verification steps are handled by instruction fine-tuned large language models.

The project is explicitly positioned as a companion against the erosion of trust online, and the developer is upfront about the irony of using generative AI to police generative-AI-era misinformation. It is an open-source codebase in active development, with a published roadmap covering multi-source comments, context from nearby comments, support for Reddit posts (not just comments), and expansion to other platforms such as Twitter and Wikipedia.

The extension is free to use and currently relies on the developer's own API keys (Groq is used for speed), so heavy use may be throttled. There is no paid tier; the developer asks for contributors and accepts optional donations. Because it only runs on Old Reddit's classic layout and on comments containing links, it is a focused utility rather than a general-purpose fact-checking platform.

**Pricing & Plans:** Completely free. The developer runs it on personal API keys for now and accepts optional donations via Ko-fi; there is no paid plan.

- **One-click claim validation:** A Validate Claim button appears on Old Reddit comments that contain links, so verification is one click away instead of a separate research session.
- **Claim extraction with LLMs:** Instruction fine-tuned models break a comment down into the discrete factual claims the author is implicitly or explicitly asserting.
- **Source-grounded checking:** The tool fetches the linked source and evaluates each claim against it, showing where the citation does and does not hold up.
- **Open-source and openly developed:** The codebase is public and the roadmap is shared, covering multi-source comments, Reddit posts, Twitter, and Wikipedia support.
- **No data selling:** The developer declares that collected data is not sold to third parties or used outside the extension's core functionality.

**Strengths:** Free and open source with a public roadmap; Very focused workflow: one button, clear verdict on citation quality; Explicit privacy stance: data is not sold or repurposed; Uses fast inference providers so results come back quickly

**Limitations:** Only works on the classic Old Reddit interface; Limited to comments that contain a link; other claims are not checked; Relies on the developer's personal API keys, so availability and speed are not guaranteed; Zero user ratings and no recent version updates

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

## Scribbr

Scribbr was built around a simple promise: help students submit work they feel confident about. The core of the service is human proofreading and editing, delivered by a hand-picked pool of academic editors who go through an in-house training programme before they are allowed to take orders. Documents are returned with tracked changes, in-text comments and a short personal letter explaining the reasoning behind the main edits.

Alongside the human service, Scribbr offers a growing library of AI writing tools. The Academic Check bundles together grammar and language review, citation checking, plagiarism scanning and AI-content detection into a single upload, which is convenient when you want one pass over an entire paper rather than juggling separate tools. Individual utilities such as the citation generator for APA, MLA, Chicago, AMA, IEEE and ACS, the paraphrasing tool and the text summarizer can be used on their own without paying for an edit.

The platform also maintains a large free knowledge base of academic writing guides that has become one of the more popular ways students discover the brand. Pricing depends heavily on document length, chosen turnaround time and add-on checks, so the practical way to get a number is to upload a file and select services in the order flow.

**Pricing & Plans:** Freemium model. Free tools include the citation generator, grammar checker and summarizer. Human proofreading and editing, the plagiarism checker, AI detector, AI proofreader and Academic Check are paid per document, with the final price depending on page count, delivery speed and any add-on checks such as structure or clarity review.

- **Human proofreading and editing:** A vetted academic editor reviews your paper within hours and returns tracked changes, comments and an explanation letter.
- **Plagiarism checker:** Scans your document against a large web and publication database to surface potentially unoriginal passages before submission.
- **AI detector and AI humanizer:** Flags text likely generated by large language models and offers a rewriting mode aimed at making AI-assisted drafts sound more natural.
- **Citation generator:** Creates and verifies references in APA, MLA, Chicago, AMA, IEEE and ACS styles from a URL, DOI or title search.
- **Academic Check bundle:** Runs grammar, citations, clarity, plagiarism and AI-detection checks in a single upload of the whole document.

**Strengths:** Combines human editors with AI tools rather than relying on one alone; Strong editorial vetting process and a large pool of academic specialists; Free citation generator and knowledge base are genuinely useful on their own; Transparent turnaround options starting from a few hours

**Limitations:** Paid services are priced per document, which adds up for long theses; AI detector verdicts can still be disputed by institutions; Some premium checks require you to buy them alongside an editing order

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

## Frequently Asked Questions

### How do ClaimValidator and Scribbr compare in monthly traffic?

ClaimValidator has 0 monthly visits, while Scribbr has 7,530,803. Traffic estimates describe audience size, not product quality.

### How do their growth rates compare?

ClaimValidator has a month-over-month growth rate of —; Scribbr has +14.6%.

### How does pricing compare?

ClaimValidator: Free. Completely free. The developer runs it on personal API keys for now and accepts optional donations via Ko-fi; there is no paid plan. Scribbr: Freemium. Freemium model. Free tools include the citation generator, grammar checker and summarizer. Human proofreading and editing, the plagiarism checker, AI detector, AI proofreader and Academic Check are paid per document, with the final price depending on page count, delivery speed and any add-on checks such as structure or clarity review.

## Alternatives

| # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Profile (Markdown) |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1 | [Grammarly](https://openaitools.app/tool/grammarly) | 58,867,412 | -1.5% | Freemium | Delivers broader real-time grammar and tone correction across web apps, but lacks Scribbr's deep academic focus and citation formatting. | [.md](https://openaitools.app/tool/grammarly.md) |
| 2 | [QuillBot Paraphraser](https://openaitools.app/tool/quillbot-paraphraser) | 36,630,337 | +2.3% | Freemium | Provides robust paraphrasing and citation tools, but focuses less on comprehensive academic proofreading and human editing. | [.md](https://openaitools.app/tool/quillbot-paraphraser.md) |
| 3 | [ZeroGPT](https://openaitools.app/tool/zerogpt) | 32,864,541 | +19.7% | Freemium, Paid | AI content detection and a full writing toolkit in one place | [.md](https://openaitools.app/tool/zerogpt.md) |
| 4 | [GPTZero](https://openaitools.app/tool/gptzero-me) | 23,246,989 | +32.5% | Freemium, Paid | Focuses specifically on AI content detection and writing verification for educators, but lacks academic editing and proofreading workflows. | [.md](https://openaitools.app/tool/gptzero-me.md) |
| 5 | [LanguageTool](https://openaitools.app/tool/languagetool) | 5,707,795 | -4.2% | Freemium | AI grammar, spelling and style checker for 30+ languages | [.md](https://openaitools.app/tool/languagetool.md) |
| 6 | [Originality.ai](https://openaitools.app/tool/originality) | 2,049,639 | +2.8% | Paid | Provides enterprise-grade AI detection and plagiarism checking, but does not offer human academic proofreading or citation generation. | [.md](https://openaitools.app/tool/originality.md) |
| 7 | [Jenni](https://openaitools.app/tool/jenni) | 1,498,133 | +5.2% | Freemium | Offers specialized academic writing assistance and AI citation generation, but lacks Scribbr's human proofreading and formal editing services. | [.md](https://openaitools.app/tool/jenni.md) |
| 8 | [Scite](https://openaitools.app/tool/scite) | 841,974 | +1.1% | Free Trial, Contact for Pricing | AI answers grounded in 300M+ scholarly full texts | [.md](https://openaitools.app/tool/scite.md) |
| 9 | [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) |
| 10 | [Wordtune](https://openaitools.app/tool/wordtune) | 368,771 | -5.8% | Freemium, Free Trial | Express yourself with confidence — rewrite, proofread and summarize in one click | [.md](https://openaitools.app/tool/wordtune.md) |

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Source: https://openaitools.app/compare/claimvalidator-vs-scribbr

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