Effective Date: March 2026

These Terms of Use (“Terms”) govern your use of the Biology AI mobile application (“Biology AI”, “the App”) provided by Dustin Spyra (“we”, “us”, or “our”). By downloading or using the App, you agree to these Terms.

1. Description of the Service

Biology AI is a biology tutoring application designed to help students understand biology by solving biology problems and guiding them through step-by-step explanations.

By using the App, you can:

• Capture or upload images of biology problems (e.g., homework, worksheets, textbook questions, lab questions) using your device camera or photo library
• Optionally provide text input and/or voice memos for your question
• Receive step-by-step explanations, key concepts, and optional diagram guidance generated by an AI model

The App may use anonymous authentication for usage tracking and abuse protection, but does not require account creation.

Biology AI is intended for personal, educational use only.

1. In‑App Purchases (Apple App Store and Google Play)

Biology AI offers optional paid features through the in‑app purchase systems provided by Apple and/or Google.

Available purchase options may include:

• Biology AI Pro Subscription (recurring)
• Biology AI Pro Lifetime Unlock (one‑time purchase)

Prices may vary by region and will be shown in the store before purchase.

1. Free Usage Limits

Biology AI may offer limited free usage. For example, free daily usage may include:

• Up to 2 problems per day total (across solves and included follow‑ups)
• Follow‑up questions included with each problem solve (subject to the daily free policy)