Legal

Legal Notice / Imprint

Voice2Symbol · May 2026

Note: This legal notice is required under Austrian law (§ 5 ECG). The authoritative version is in German.

Information pursuant to § 5 ECG (Austria)

Voice2Symbol e.U.
Pottendorfer Straße 3/14, 1120 Wien, ÖSTERREICH
E-Mail: support@voice2symbol.com
UID-Nr.: ATU83390527

🙏 Acknowledgements

  • Patrick Tschetschonig – for contribution to planning, development and infrastructure
  • Annette Kitzinger – for the wonderful Metacom symbols
  • Lilian Hinterndorfer – for her dedicated support towards the app launch
  • Karin Roher – for her dedicated support and networking towards the app launch
  • Banafo / kroko.ai – for the AI offline speech model (CC-BY-SA 4.0)
  • All open-source contributors of the libraries used
  • All testers of the app

📦 License notices

This app is based on open source software and data. The following attributions are required under the respective licenses:

  • AI offline speech recognition: Speech model licensed under CC-BY-SA 4.0 — Attribution: Banafo / kroko.ai
  • Translation feature: The translation functionality in this app is powered by Google Translate (ML Kit On-Device Translation). Use is subject to the ML Kit Translation Usage Guidelines and the Google Translate Attribution Requirements.
  • 🗣️ Speech Recognition: Google Speech-to-Text (Android system service). Language packs partly licensed under LGPL / Creative Commons.
  • 🔊 Text-to-Speech: Uses the device's installed TTS engine (e.g. Google Text-to-Speech).
  • 📚 Word & Language Data: German Wiktionary (CC BY-SA 3.0); OpenPersona Name Dataset (Apache 2.0).
  • 📦 Open Source Libraries: Flutter (Google) – BSD 3-Clause; sherpa-onnx – Apache 2.0; SQLCipher – BSD 2-Clause; further open source packages under their respective licenses.

The following attributions apply exclusively to the voice2symbol.com website and not to the app:

  • 🎨 Icons: Lucide Icons – ISC License. Copyright (c) 2026 Lucide Icons and Contributors. Partially derived from Feather Icons – MIT License. Copyright (c) 2013-present Cole Bemis.

⚠️ Disclaimer

Voice2Symbol is provided "as is" (AS IS). Use is entirely at your own risk.

The Provider is liable only in cases of intent or gross negligence. Liability for slight negligence or indirect damages is excluded to the extent permitted by law. In particular, the developer is not liable for:

  • Incorrect or inaccurate symbol mappings
  • Technical malfunctions or outages
  • Data loss or corruption
  • Direct or indirect damages of any kind

Voice2Symbol is a communication support tool (AAC) and does not replace medical, therapeutic or educational advice. The Provider accepts no liability for damages arising from therapeutic decisions made on the basis of the app.

💙 Support the app

Voice2Symbol is a licensed app – your licence gives you full access to all features, ad-free and without hidden costs. Any additional support goes directly into further developing the app.

💳 Support via PayPal

Contributions are voluntary and do not entitle to additional services.

📧 Contact & feedback

Questions, feedback or issues?
support@voice2symbol.com

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