1. Service Description

Amino Master is a focused learning app designed to help you quickly memorize and master all 20 amino acids. Perfect for MCAT, USMLE, and biochemistry exams.

Features include:

• Learn Mode with visual flashcards for structure, name, properties, and codes
• Smart Learning System that adapts to your weak areas
• Exam Mode with timed, MCAT-style questions
• Weakness Training that converts mistakes into a focused study plan

All learning data is stored locally on your device by default.

2. Subscription & One-Time Purchase Options

This App offers the following premium payment options:

(1) Monthly Subscription

• Price: $1.99 USD per month
• Subscription renews automatically on a monthly basis

(2) Lifetime Purchase

• One-time payment: $4.99 USD
• Unlock all premium features permanently without any future subscription fees

3. Free Trial

We offer a 3‑day free trial for the monthly subscription plan.