Qsafe (C9Lab) records 28,077 monthly visits with +242.1% month-over-month growth and Contact for Pricing pricing. Studocu records 39,297,122 monthly visits with +1.1% growth and Freemium pricing.
AI digital risk protection and brand abuse takedowns
Share and access study materials worldwide — with AI study tools built in
| Dimension / Metric | | |
|---|---|---|
| Official Domain | c9lab.com | studocu.com |
| Pricing Model | Contact for Pricing | Freemium |
| Monthly Visits | 28.08K (28,077) | 39.3M (39,297,122) |
| MoM Traffic Delta | +19.87K (+242.1%) | +430.47K (+1.1%) |
| Primary Market & Share | 🌐 Global (—) | 🇺🇸 United States (12.3%) |
| Direct Visits / mo | 10.83K | 6.5M |
| User Rating | 4.1 | 4.4 |
| Supported Platforms | Website | Website |
AI digital risk protection and brand abuse takedowns
Monitors for phishing pages, lookalike and typosquatted domains, and other impersonation infrastructure aimed at your brand and customers.
Tracks app stores and social platforms for fake apps, impersonation profiles and fraudulent listings that abuse your identity.
Watches dark web channels for brand abuse, leaked credentials and mentions that signal upcoming fraud against your organisation.
Provides takedown workflows for malicious content, backed by an analyst team for escalation and brand incident response.
Share and access study materials worldwide — with AI study tools built in
Search a vast, student-contributed library of lecture notes, summaries, study guides and past exams organised by course and institution.
Generate notes, summaries and revision material from documents so you can study the essentials instead of re-reading everything.
Turn study material into interactive quizzes and flashcards so you can test yourself and target weak spots.
Use built-in text-to-speech to listen to study documents on the go, useful for revision during commutes or downtime.
SpecialistGeneral-purpose conversational AI that can explain complex concepts and make practice quizzes, but lacks dedicated study note repositories.
SpecialistGeneral-purpose conversational AI that can explain complex concepts and make practice quizzes, but lacks dedicated study note repositories.
Gamified flashcard and quiz creation from PDFs, but lacks Studocu's extensive crowdsourced student note library.
Gamified flashcard and quiz creation from PDFs, but lacks Studocu's extensive crowdsourced student note library.
Free / Open-sourceStronger free flashcard creation and practice tests from notes, but less reliance on crowdsourced university document sharing.
Free / Open-sourceStronger free flashcard creation and practice tests from notes, but less reliance on crowdsourced university document sharing.
Free / Open-sourceAll-in-one protection for your identity, credit, family, and devices
Free / Open-sourceAll-in-one protection for your identity, credit, family, and devices
SpecialistTailored for specific exam prep and coursework feedback with an AI tutor, rather than open note sharing.
SpecialistTailored for specific exam prep and coursework feedback with an AI tutor, rather than open note sharing.
Excellent AI-driven video explainers and interactive study sets, but lacks Studocu's massive repository of crowdsourced course notes.
Excellent AI-driven video explainers and interactive study sets, but lacks Studocu's massive repository of crowdsourced course notes.
Converts multi-format lecture materials into audio podcasts and quizzes, but has a smaller community note repository.
Converts multi-format lecture materials into audio podcasts and quizzes, but has a smaller community note repository.
Free / Open-sourceMultilingual AI detector with sentence-level insight
Free / Open-sourceMultilingual AI detector with sentence-level insight
Very similar shared university document database and study tools, but with a strong European student community focus.
Very similar shared university document database and study tools, but with a strong European student community focus.
SpecialistConverts course notes into personalized flashcards and mind maps, but lacks crowdsourced document sharing.
SpecialistConverts course notes into personalized flashcards and mind maps, but lacks crowdsourced document sharing.
Fast AI summarization and quiz generation from lectures, but focuses less on peer-to-peer university document sharing.
Fast AI summarization and quiz generation from lectures, but focuses less on peer-to-peer university document sharing.
SpecialistProvides structured mock tests and spaced repetition, but lacks general peer note uploads.
SpecialistProvides structured mock tests and spaced repetition, but lacks general peer note uploads.
