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Scribbr records 7,530,803 monthly visits with +14.6% month-over-month growth and Freemium pricing. VisibleThread records 14,783 monthly visits with +3.3% growth and Contact for Pricing pricing.
Academic proofreading, plagiarism checking and AI-powered writing tools in one place
Full-lifecycle RFP intelligence with deterministic accuracy and grounded AI
| Dimension / Metric | | |
|---|---|---|
| Official Domain | scribbr.com | visiblethread.com |
| Pricing Model | Freemium | Contact for Pricing |
| Monthly Visits | 7.53M (7,530,803) | 14.78K (14,783) |
| MoM Traffic Delta | +957.01K (+14.6%) | +469 (+3.3%) |
| Primary Market & Share | 🇺🇸 United States (32.1%) | 🇺🇸 United States (38.5%) |
| Direct Visits / mo | 2.47M | 5.93K |
| User Rating | 4.4 | 4.4 |
| Supported Platforms | Website | Website |
Academic proofreading, plagiarism checking and AI-powered writing tools in one place
A vetted academic editor reviews your paper within hours and returns tracked changes, comments and an explanation letter.
Scans your document against a large web and publication database to surface potentially unoriginal passages before submission.
Flags text likely generated by large language models and offers a rewriting mode aimed at making AI-assisted drafts sound more natural.
Creates and verifies references in APA, MLA, Chicago, AMA, IEEE and ACS styles from a URL, DOI or title search.
Full-lifecycle RFP intelligence with deterministic accuracy and grounded AI
Pull opportunities from SAM.gov, eBuy, Find a Tender, and other sources, then score contract fit and run AI win-theme and past-performance analysis.
A rules-based engine shreds requirements, builds compliance matrices, flags liability and risk language through dictionaries and watchwords, and compares versions with 100% repeatable, audit-ready results.
A Prompt Library and approved Collections give teams a running start on competitive intel, win themes, and past performance, with every answer grounded in approved content and cited to source.
Customizable Kanban stages, tasks, reviewers, and comments keep proposal work moving from initiation through red team to submission on one source of truth.
OpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
OpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
High-efficiency open-weight and hosted reasoning AI powered by DeepSeek-V4 and R1 at ultra-low token costs.
High-efficiency open-weight and hosted reasoning AI powered by DeepSeek-V4 and R1 at ultra-low token costs.
Enterprise-grade neural machine translation, AI writing refinement, and real-time voice translation across thirty-plus global languages.
Enterprise-grade neural machine translation, AI writing refinement, and real-time voice translation across thirty-plus global languages.
Cross-platform AI writing assistant delivering real-time grammar correction, tone alignment, authorship tracking, and team style guides.
Cross-platform AI writing assistant delivering real-time grammar correction, tone alignment, authorship tracking, and team style guides.
Turn long articles and reports into clear key points in seconds
Turn long articles and reports into clear key points in seconds
Paraphrase, proofread and summarize text with an AI writing workspace
Paraphrase, proofread and summarize text with an AI writing workspace
ChatGPT-powered grammar, rewrite, and translation helper for iPhone, iPad, and Mac
ChatGPT-powered grammar, rewrite, and translation helper for iPhone, iPad, and Mac
Visual storytelling without the blank-slide problem
Visual storytelling without the blank-slide problem
Buy once, use everywhere — an AI copilot that writes, summarizes and paints on any site
Buy once, use everywhere — an AI copilot that writes, summarizes and paints on any site
Your always-on AI teammate inside the Notion workspace
Tencent's free Hunyuan-powered assistant for chat, search, documents and images
Tencent's free Hunyuan-powered assistant for chat, search, documents and images
Free GLM-powered assistant that turns prompts into slides, sites and code
