# StudityAI vs Knowunity

> Knowunity is a notes-sharing community popular with high-school students in Germany. StudityAI is a full AI study platform: chat, flashcards, mindmaps, exam simulator on YOUR own PDFs.

**Comparison page**: https://studity.ai/compare/studityai-vs-knowunity
**StudityAI website**: https://studity.ai
**Pricing**: https://studity.ai/pricing
**Free tier**: Forever-free, no credit card. Includes 4 spaces with up to 8 documents each, 15 AI chats per day, flashcards, mindmaps and a spaced-repetition review queue. Maximum file size 8 MB.
**Compared product**: Knowunity by Knowunity (Germany)

## TL;DR

Knowunity is a mobile-first notes-sharing network, strongest in German secondary schools, where the content comes from other students. StudityAI works the other way round: the AI operates on the documents you upload yourself, and adds mindmaps and an audio version of that material.

## What Knowunity is good at

- Large library of community-uploaded notes
- Established user base in German high schools
- Strong mobile-first design
- Free tier

## What StudityAI adds

- AI chat grounded in YOUR specific lecture PDFs
- Mindmap generator from PDFs
- Audio podcast generation (Plus and up)
- Spaced-repetition review queue built from your materials
- Live lecture recording with auto-transcript (Plus and up)
- Built for university and serious high-school students

## Feature comparison

**As of**: 27 September 2026. Competitor cells name their source; prices change, the provider's own page is authoritative. "Plus and up" = not in the StudityAI free tier.

| Feature | StudityAI | Knowunity | Source |
|---|---|---|---|
| Target audience | University + upper school | School pupils | [knowunity.de/pro-plan](https://knowunity.de/pro-plan) |
| Library of shared notes | ❌ | ✅ | [knowunity.de/pro-plan](https://knowunity.de/pro-plan) |
| AI tutor chat | ✅ | ✅ | [knowunity.de/pro-plan](https://knowunity.de/pro-plan) |
| AI flashcards | ✅ | ✅ | [knowunity.de/ai/flashcards](https://knowunity.de/ai/flashcards) |
| Flashcards from your own PDFs | ✅ | not compared | |
| Spaced-repetition review queue | ✅ | not compared | |
| Exam simulator | ✅ Plus and up | not compared | |
| Student community | ⚠️ Friends and 1-to-1 messages (Plus and up), group chats (Premium); material sharing not open yet | not compared | |
| Price | Free · Plus €9.90/mo incl. VAT | Free · Pro €83.99/year | [knowunity.de/pro-plan](https://knowunity.de/pro-plan) |

## Pricing

- **StudityAI Free**: €0 forever. 4 spaces, up to 8 documents per space, 15 AI chats per day, spaced-repetition review queue, flashcards, mindmaps, 2 AI-generated PDFs per month, 8 MB maximum file size. No credit card required.
- **StudityAI Plus**: €9.90/month incl. VAT. Unlimited spaces and documents, 50 AI chats per day, exam simulator (multiple choice, short answer and essay questions with AI feedback), image solver, audio podcasts, PDF export, 15 MB maximum file size, 10 h of live-session recording per week.
- **StudityAI Premium**: €19.90/month incl. VAT. All Plus features, more AI chats (max. 50 requests per hour, plus a daily fair-use budget), 30 MB maximum file size, 15 h of live-session recording per week.
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No separate student discount: the listed price is already the student price. Semester billing saves 10%, yearly billing 20%.

## Who should pick what

- **Pick StudityAI if**: You're a university student or in upper high school and you need real AI on your own PDFs, not just shared notes.
- **Pick Knowunity if**: You're in early high school and primarily want to browse other students' shared notes and study guides.


## Data and hosting

- StudityAI's database runs in London (UK) (Supabase, eu-west-2); uploaded files are stored with Cloudflare R2
- No training on user content; AI requests run on Google's Gemini API (Google keeps them for up to 55 days to detect abuse)
- AI requests themselves are processed by Google's Gemini API, which is not EU-only infrastructure
- User data deletable on request
- Multilingual UI: German, English, French, Spanish, Portuguese, Italian
- Operated by Studity Tech GmbH & Co. KG (Germany)

## Further reading

- [All StudityAI comparisons](https://studity.ai/compare)
- [Full LLM documentation](https://studity.ai/llms-full.txt)
- [Short LLM summary](https://studity.ai/llms.txt)
- [Pricing](https://studity.ai/pricing)
- [Features](https://studity.ai/features)
- [Try StudityAI free](https://studity.ai/auth/register)