Terms of Service

Last updated: April 08, 2026

By downloading or using ChemCalc Pro, these terms will automatically apply to you – you should make sure therefore that you read them carefully before using the app.

1. Use of the App

We are granting you a non-transferable, non-exclusive license to use the app for personal, non-commercial purposes. You are not allowed to copy, or modify the app, any part of the app, or our trademarks in any way.

2. User Accounts & Cloud Sync

You may use ChemCalc Pro anonymously as a guest or sign in using Apple or Google authentication to enable Cloud Sync features (such as syncing your game level progress, leaderboard rankings, and purchases across multiple devices). You are responsible for maintaining the security of your device and login credentials.

3. Subscriptions & In-App Purchases

ChemCalc Pro offers premium subscriptions ("Pro Subscriptions") and optional virtual consumable items (such as Gold or game boosters):

• Payment: Payment will be charged to your Apple ID (iTunes) or Google Play Account at confirmation of purchase.
• Auto-Renewal: Subscriptions automatically renew unless auto-renew is turned off at least 24-hours before the end of the current billing period.
• Renewal Charges: Your account will be charged for renewal within 24-hours prior to the end of the current period at the regular price.
• Management: You can manage your subscriptions and turn off auto-renewal at any time via your Apple App Store or Google Play Account Settings.
• Virtual Goods: Virtual currencies (Gold), items, or boosters obtained through the app or shop have no monetary value, cannot be redeemed for real money, and are non-transferable.
• Apple Terms of Use: For iOS users, by downloading and using the app, you also agree to Apple's Standard End User License Agreement (EULA).

4. Intellectual Property

All intellectual property rights related to the app and its content (equations, game assets, data tables, UI design) remain the property of ChemCalc Pro. You may not reverse engineer, decompile, or attempt to extract the source code of the app.

5. Disclaimers & Data Usage

The calculations and predictions provided by the app are for educational and entertainment purposes. We collect anonymized usage statistics and crash reports through Google Firebase to improve the reliability and performance of our services.

While we strive for accuracy, we do not guarantee that chemistry calculations or data are 100% error-free. Always verify critical results with standard chemistry textbooks or laboratory experiments.

6. Limitation of Liability

ChemCalc Pro will not be liable for any indirect, incidental, special, consequential or punitive damages resulting from your use of or inability to use the app.

7. Account Termination & Deletion

You may delete your account and all associated cloud data at any time via the in-app Settings menu (Settings > Delete Account) or by contacting us. We reserve the right to suspend or terminate accounts that violate these terms.

8. Contact

If you have any questions or suggestions about our Terms and Conditions, do not hesitate to contact us at daip6690@gmail.com.