French plagiarism-checking and AI text detection software: teachers use Magister to check student work for plagiarism and AI ghostwriting, students use Studium to self-check, and there is also Gingo, an AI tool for creating and grading questions.
Started in 2005One-line growth story, compiled by us from public sources; speculation is marked separately below.
Checkout: checkout.stripe.com
“"Vous bénéficiez d'une première analyse gratuite"; footer "Devenir ambassadeur", "Devenir revendeur/distributeur"; "+2M d'utilisateurs"”Quote from the site
New-user source: SEO (Non-brand search). Search 44.8%, direct 41.4%, referral 8.3%; brand keywords 77.2%, non-brand about 9%, mainly chat gpt. Referrals come from university sites uta.edu.ec 4.98%, uaeh.edu.mx 3.22%, and univ-lille.fr 2.69%, showing that after schools buy it they send their teachers and students over; social is YouTube, WhatsApp, and Instagram; teachers and students return during assignment-submission season.
Top channel measured by Similarweb, others estimated by rank
| Attributable new users, last month | Share |
|---|---|
| SEO | 9% |
| Other | 91% |
Direct + brand search 77%. Direct and brand search count as viral only when the site shows sharing mechanics; the largest share wins, under 5% means Other.
| Country | Share of visits |
|---|---|
| Italy | 33.52% |
| France | 28.71% |
| Ecuador | 6.39% |
| Colombia | 5.49% |
| Mexico | 5.28% |
Mainly French, plus Italian, Spanish, English, and others
YouTube, WhatsApp Webapp, Instagram; Messaging: WhatsApp
7K keywords · brand ~77% · organic 99.51% / paid 0.49%
| Similarweb top 5 keywords |
|---|
| compilatio |
| chat gpt |
| compilatio studium |
| compilatio ai detector |
| compilation |
Non-brand queries: chat gpt
41 referring sites
| Site | Share of referrals |
|---|---|
| uta.edu.ec | 4.98% |
| uaeh.edu.mx | 3.22% |
| univ-lille.fr | 2.69% |
| Category | Share of referrals |
|---|---|
| Education | 29.8% |
| Computers Electronics and Technology - Other | 15.91% |
| Science and Education - Other | 9.48% |
| Dictionaries and Encyclopedias | 1.79% |
| Health - Other | 1.17% |
About 34,384 last month (Similarweb estimate), #76 of 606; the month before was 44,843. Opening checkout is not paying, so this is not revenue.
New-user source: SEO (Non-brand search). New users mostly come from need-based searches Search 44.8%, direct 41.4%, referral 8.3%; brand keywords 77.2%, non-brand about 9%, mainly chat gpt. Referrals come from university sites uta.edu.ec 4.98%, uaeh.edu.mx 3.22%, and univ-lille.fr 2.69%, showing that after schools buy it they send their teachers and students over; social is YouTube, WhatsApp, and Instagram; teachers and students return during assignment-submission season.
First analysis free; student credit packs: 20 credits (5,000 words) for €4.99, 80 credits for €12.99, 160 credits for €19.99, 400 credits (100,000 words) for €34.99; school-edition pricing not found
Dossier confidence: high. Parts 1 and 2 come from reading the site and Similarweb data; part 3 from public reporting, founder posts, Wayback snapshots, WHOIS and similar, with speculation marked.
The number: checkout visits is Similarweb's estimate of visits from the site to a checkout payment page; opening checkout is not paying, so this is not revenue. Small sites land on fixed buckets.
Data through last month. Page updated 2026-10-26.
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