Good questions. Short answers.

Your subscription starts with a free 3-day trial; you add a payment method for it. Nothing is charged until the trial ends. Cancel before, and you pay nothing.

No. After buying you get a license key. If you buy inside Docsi, he even unlocks himself – nothing to copy.

Plus covers 2 computers, Pro covers 3 – Windows and Mac mixed. Manage them in Docsi under Settings → Subscription.

Yes, any time under Manage subscription. Stripe prorates the change.

Any time, effective at the end of your billing month – in the customer portal under Manage subscription, or without signing in via Cancel contracts here.

Paying monthly, €119.88 for Plus and €239.88 for Pro. There is no annual plan.

Docsi stays unlocked until the end of the paid period and then locks its features. Your files and saved results stay on your computer.

Every AI task uses credits: short questions a few, big documents more. Docsi always shows how many you have left, and every billing month starts full again.

The built-in AI pauses until your next billing month. Everything local keeps working. You can switch to Pro at any time or connect an AI of your own in the settings.

Docsi AI uses the GLM language model by Z.ai. If you prefer, connect an AI of your own in the settings instead – with your own key, or locally through Ollama.

No. Converting, merging and text recognition run locally and never cost credits.

Yes. Language models can summarise statements incorrectly. That is why Docsi checks every source marker against the original text and removes markers without a matching passage; you should still read important statements on the page given.

PDF, Word (DOCX), Excel (XLSX), CSV and Markdown. Word and Excel files stay editable, and charts are real Office charts.

Up to 25 MB per file. PDFs may have up to 500 pages, Excel workbooks up to 50 sheets of 10,000 rows and 100 columns each.

Docsi does not go online by himself. You can drag a browser window onto Docsi, though; he then reads the visible content of that window as a source.

Yes. Docsi reads scanned PDF pages, photos and screenshots with local text recognition for printed text in German and English. It does not reliably recognise handwriting.

Yes. Ask for flashcards or questions with answers in your request; Docsi lays them out as card pairs in the PDF and, if you like, also delivers them as a table in Word, Excel or CSV.

Statements from your files carry numbered source markers, listed with file and page at the end of the document. Docsi matches every marker against the original text and removes markers without a matching passage.

Only what you explicitly tell him, such as your field of study or citation style. You see and delete these notes in the settings, and you can switch remembering off entirely there. Docsi does not store passwords or similar data.

Yes. Each file becomes its own numbered source. State in your request which file plays which role, such as “lecture notes” and “exercise sheet”; the source markers then show which file a statement comes from.

Your files stay on your computer. Only when you start an AI task, the text it needs travels encrypted through our server to the AI provider. We do not store that content – only how many credits were used. See the privacy policy for details.

The local tools do. Docsi checks your subscription regularly and keeps working offline for up to 5 days. The AI needs a connection.

Windows 10 and 11 (64-bit) and macOS 14 Sonoma or later on Macs with Apple silicon.

No. Docsi is available only for 64-bit Windows and for Macs with Apple silicon.

PDF, Word, Excel, CSV and Markdown, as well as photos, screenshots and scanned pages.

In Docsi under Settings → Updates. Updates are signed and checked before they install.

Impulse Apps, a small team and startup from Hamburg, Germany. More about it, the technology and the versions is under About Docsi AI.