
Delivers broader real-time grammar and tone correction across web apps, but lacks Scribbr's deep academic focus and citation formatting.
#1Scribbr records 7,530,803 monthly visits with +14.6% month-over-month growth and Freemium pricing. Secur3D records 135 monthly visits with -80.5% growth and Contact for Pricing pricing.

Detect unauthorized brand, IP and UGC content before it damages revenue
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | scribbr.com | secur3d.ai |
| Pricing Model | Freemium | Contact for Pricing |
| Monthly Visits | 7.53M (7,530,803) | 135 (135) |
| MoM Traffic Delta |
| +957.01K (+14.6%) |
| -556 (-80.5%) |
| Primary Market & Share | 🇺🇸 United States (32.1%) | 🇨🇦 Canada (100%) |
|---|
| Direct Visits / mo | 2.47M | 56 |
|---|
| User Rating | 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.

Detect unauthorized brand, IP and UGC content before it damages revenue
Analyzes uploads and published content to flag brand, intellectual property and digital asset risk, targeting the flood of AI-generated and AI-modified material that manual review cannot keep up with.
For marketplaces and platforms, evaluates content as it is uploaded so risky items can be caught before they go live rather than removed after complaints.
Helps studios and developers locate unauthorized copies, lookalikes and derivative works of their IP across marketplaces and UGC platforms.
Verifies signals around ownership and authenticity so brands and creators can substantiate claims about their original designs and digital assets.

Delivers broader real-time grammar and tone correction across web apps, but lacks Scribbr's deep academic focus and citation formatting.
#1Provides robust paraphrasing and citation tools, but focuses less on comprehensive academic proofreading and human editing.
Free / Open-sourceAI content detection and a full writing toolkit in one place
Free / Open-sourceAI detection and writing verification built for schools and editors

SpecialistAI grammar, spelling and style checker for 30+ languages
Free / Open-sourceDetect, humanize and verify AI content in one place

Enterprise AI and plagiarism detection for content integrity

Free / Open-sourceAI detector, plagiarism and content-quality checks in one scan
Offers specialized academic writing assistance and AI citation generation, but lacks Scribbr's human proofreading and formal editing services.

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

Free / Open-sourceDetect AI-generated text and images with benchmark-tested accuracy
Free / Open-sourceAI detector that highlights evidence, not just a score
Delivers broader real-time grammar and tone correction across web apps, but lacks Scribbr's deep academic focus and citation formatting.
Provides robust paraphrasing and citation tools, but focuses less on comprehensive academic proofreading and human editing.
Free / Open-sourceAI content detection and a full writing toolkit in one place
Free / Open-sourceAI detection and writing verification built for schools and editors
SpecialistAI grammar, spelling and style checker for 30+ languages
Free / Open-sourceDetect, humanize and verify AI content in one place
Free / Open-sourceAI detector, plagiarism and content-quality checks in one scan
Offers specialized academic writing assistance and AI citation generation, but lacks Scribbr's human proofreading and formal editing services.
Free / Open-sourceMultilingual AI detector with sentence-level insight
Free / Open-sourceDetect AI-generated text and images with benchmark-tested accuracy
Free / Open-sourceAI detector that highlights evidence, not just a score