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Terms of Service

Last updated: March 24, 2026

These Terms of Service (“Terms”) govern your use of the Arithma mobile application (the “App”) operated by Compubility LLC (“we,” “us,” or “our”). By downloading, installing, or using the App, you agree to be bound by these Terms. If you do not agree, do not use the App.

1. Eligibility

You must be at least 13 years of age to use the App. If you are under 18, you represent that your parent or legal guardian has reviewed and agreed to these Terms on your behalf. By using the App, you represent and warrant that you meet these requirements.

2. License to Use the App

We grant you a limited, non-exclusive, non-transferable, revocable license to download, install, and use the App on a mobile device that you own or control, strictly in accordance with these Terms.

You may not:

  • Copy, modify, distribute, sell, or lease any part of the App or its content.
  • Reverse engineer, decompile, or disassemble the App, except as permitted by applicable law.
  • Use the App for any unlawful purpose or in violation of these Terms.
  • Attempt to gain unauthorized access to the App's systems or networks.
  • Use automated scripts, bots, or other tools to interact with the App.
  • Remove, alter, or obscure any proprietary notices or labels on the App.

3. Accounts

Some features of the App may require you to create an account. You are responsible for maintaining the confidentiality of your account credentials and for all activity that occurs under your account. You agree to notify us immediately of any unauthorized use of your account.

We reserve the right to suspend or terminate your account at our discretion if we believe you have violated these Terms.

4. In-App Purchases and Subscriptions

Arithma may offer in-app purchases and subscription plans that provide access to premium features, ad-free experiences, or additional content. Purchases are processed through the Apple App Store or Google Play Store and managed by RevenueCat.

  • Pricing: All prices are displayed in the App and are subject to change. Prices include applicable taxes unless stated otherwise.
  • Subscriptions:Subscriptions automatically renew at the end of each billing period unless you cancel before the renewal date. You can manage or cancel your subscription through your device's app store settings.
  • Refunds: Refund policies are governed by the Apple App Store or Google Play Store. We do not directly process refunds. Please contact Apple or Google for refund requests.
  • Free trials: If a free trial is offered, it will convert to a paid subscription at the end of the trial period unless cancelled beforehand.

5. Advertisements

The App may display advertisements provided by Google AdMob and other advertising partners. By using the free version of the App, you agree to the display of advertisements. Ad content is provided by third parties, and we are not responsible for the content, accuracy, or availability of third-party advertisements or the products and services they promote.

6. Intellectual Property

The App and all of its content, features, and functionality — including but not limited to puzzles, game mechanics, graphics, text, logos, icons, images, audio, and software — are owned by Compubility LLC or its licensors and are protected by United States and international copyright, trademark, patent, trade secret, and other intellectual property laws.

The “Arithma” name and logo are trademarks of Compubility LLC. You may not use them without our prior written consent.

7. User Conduct

You agree not to:

  • Use the App in any manner that could interfere with, disable, overburden, or impair its functioning.
  • Exploit the App for any commercial purpose not expressly permitted by us.
  • Transmit any viruses, malware, or other harmful code through the App.
  • Attempt to manipulate scores, leaderboards, or gameplay data through cheating, hacking, or other unauthorized means.
  • Harass, abuse, or harm other users of the App.

8. Third-Party Services

The App integrates with third-party services, including but not limited to:

  • RevenueCat for subscription and purchase management.
  • Google AdMob for advertisement delivery.
  • Apple App Store and Google Play Store for app distribution and payment processing.

Your use of these third-party services is subject to their respective terms and privacy policies. We are not responsible for the practices or content of third-party services.

9. Disclaimer of Warranties

THE APP IS PROVIDED “AS IS” AND “AS AVAILABLE” WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT.

We do not warrant that the App will be uninterrupted, error-free, secure, or free of viruses or other harmful components. We do not guarantee the accuracy or completeness of any content in the App.

10. Limitation of Liability

TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, COMPUBILITY LLC AND ITS OFFICERS, DIRECTORS, EMPLOYEES, AND AGENTS SHALL NOT BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES, INCLUDING BUT NOT LIMITED TO LOSS OF PROFITS, DATA, USE, OR GOODWILL, ARISING OUT OF OR IN CONNECTION WITH YOUR USE OF THE APP, WHETHER BASED ON WARRANTY, CONTRACT, TORT (INCLUDING NEGLIGENCE), OR ANY OTHER LEGAL THEORY, EVEN IF WE HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

OUR TOTAL LIABILITY TO YOU FOR ALL CLAIMS ARISING FROM OR RELATED TO THE APP SHALL NOT EXCEED THE AMOUNT YOU PAID TO US, IF ANY, IN THE TWELVE (12) MONTHS PRECEDING THE CLAIM.

11. Indemnification

You agree to indemnify, defend, and hold harmless Compubility LLC and its officers, directors, employees, and agents from and against any claims, liabilities, damages, losses, and expenses (including reasonable attorneys' fees) arising out of or in connection with your use of the App, your violation of these Terms, or your violation of any rights of a third party.

12. Termination

We may terminate or suspend your access to the App at any time, without prior notice or liability, for any reason, including if you breach these Terms. Upon termination, your right to use the App will immediately cease. All provisions of these Terms that by their nature should survive termination shall survive, including intellectual property provisions, disclaimers, indemnification, and limitations of liability.

13. Changes to These Terms

We reserve the right to modify these Terms at any time. We will provide notice of material changes by posting the updated Terms within the App or by other reasonable means. The “Last updated” date at the top indicates when the Terms were last revised. Your continued use of the App after changes constitutes acceptance of the revised Terms.

14. Governing Law and Dispute Resolution

These Terms are governed by and construed in accordance with the laws of the State of Delaware, without regard to its conflict of law provisions. Any disputes arising from or relating to these Terms or the App shall be resolved exclusively in the state or federal courts located in the State of Delaware, and you consent to the personal jurisdiction of such courts.

15. Severability

If any provision of these Terms is found to be unenforceable or invalid, that provision shall be limited or eliminated to the minimum extent necessary so that the remaining provisions remain in full force and effect.

16. Entire Agreement

These Terms, together with our Privacy Policy, constitute the entire agreement between you and Compubility LLC regarding your use of the App and supersede all prior agreements and understandings.

17. Contact Us

If you have questions about these Terms, please contact us:

Compubility LLC
Email: support@compubility.com