# Lernaido

> Lernaido is a GDPR-compliant, AI-powered educational homework assistant and guided tutor ("Understand, don't just copy") available on iOS, Android, and web.

## Overview
Lernaido helps students from primary school to Abitur / graduation understand complex assignments step by step. Rather than providing quick cheat-sheet answers, Lernaido acts as an empathetic digital tutor that spots calculation errors, explains formulas and grammar rules, and fosters genuine comprehension.

## Core Capabilities
- **Step-by-Step Problem Solving**: Detailed explanations for math equations, physics formulas, chemistry reaction balance, and foreign language essays.
- **Handwriting & Document OCR**: Advanced recognition of handwritten notes, worksheets, sketches, and printed textbook pages.
- **Pedagogical Error Detection**: Spots where a student made a mistake in their calculation and explains the underlying concept.
- **Curriculum Alignment**: Tailored to educational curriculum standards across German federal states and international school systems.
- **Data Privacy & Security**: 100% DSGVO / GDPR-compliant, hosted exclusively on secure German servers with encrypted communication.
- **Underlying Technology**: Powered by Google Gemini AI models.

## Pricing
- **Starter Plan**: €0 (10 free welcome credits upon registration, no credit card required).
- **Pro Plan**: €9.99/month (100 tokens/month, unlimited subjects, AI lectures, custom worksheets, cancel anytime).
- Detailed machine-readable pricing: https://lernaido.de/pricing.md

## Key Links
- Main Website: https://lernaido.de
- Pricing & Plans: https://lernaido.de/pricing
- Math Homework Solver: https://lernaido.de/homework/mathe-hausaufgaben-check
- Physics Problem Solver: https://lernaido.de/homework/physik-hausaufgaben-check
- Chemistry Reaction Checker: https://lernaido.de/homework/chemie-hausaufgaben-check
- English Homework Helper: https://lernaido.de/homework/englisch-hausaufgaben-check
- Privacy Policy (DSGVO): https://lernaido.de/privacy-policy
- Terms of Service: https://lernaido.de/terms-of-service
- iOS App (App Store): https://apps.apple.com/app/id6753122386
- Android App (Google Play): https://play.google.com/store/apps/details?id=de.lernaido.twa