Last Updated: November 29, 2025
Welcome to Spell Thrive. By accessing or using our website and services, you agree to be bound by these Terms of Service.
By registering for an account or using the unauthenticated version of Spell Thrive, you acknowledge that you have read, understood, and agree to be bound by these terms. If you do not agree, please do not use our services.
To access certain features like the Mistake Vault, streak tracking, and AI-generated practice, you must create an account.
You agree not to misuse the Spell Thrive services. Prohibited actions include:
Spell Thrive uses artificial intelligence (Google Vertex AI) to generate practice paragraphs and audio transcripts. While we strive for accuracy:
The Spell Thrive interface, logo, design code, and "Mistake Vault" system are the intellectual property of Spell Thrive Inc. User-generated data (your specific typing statistics) belongs to you, but you grant us a license to store and display it for your usage.
The service is provided on an "AS IS" and "AS AVAILABLE" basis. We do not warrant that the service will be uninterrupted, error-free, or completely secure.
Spell Thrive shall not be liable for any indirect, incidental, special, or consequential damages resulting from your use or inability to use the service.
Your privacy is important to us. This policy explains how Spell Thrive collects, uses, and protects your information.
When you sign up, we collect your email address and display name (via Firebase Authentication) to create and secure your account.
To provide our core service, we collect and store:
We use your data solely for the following purposes:
When you use "AI Smart Mode" or "Generate New Topic", your request (topic or mistake list) is sent to Google Vertex AI to generate the text. We do not use your personal typing history to train third-party public AI models.
We use Google Firebase for secure data storage and authentication. All data is transmitted over secure HTTPS connections. While we implement robust security measures, no method of transmission over the internet is 100% secure.
We use local storage and cookies to:
You have the right to:
If you have questions about this Privacy Policy, please contact us at contact@spellthrive.com.