Legal

Terms of Service

Effective date: February 7, 2026

These Terms of Service ("Terms") govern your use of the Carbon application (also branded as "Carbon"), including the iOS app, widgets, web application, and any related services (collectively, the "Service"), developed and operated by Shawn Schwartz ("we," "us," or "our").

By downloading, installing, or using the Service, you agree to be bound by these Terms. If you do not agree, do not use the Service.

1. Eligibility

You must be at least 13 years of age (or the minimum age of digital consent in your jurisdiction) to use the Service. By using the Service, you represent that you meet this requirement. If you are under 18, you represent that your parent or legal guardian has reviewed and agreed to these Terms.

2. Account Registration

To use the Service, you must create an account using an email address and password or by signing in with Apple. You are responsible for:

  • Providing accurate and complete registration information
  • Maintaining the security and confidentiality of your login credentials
  • All activity that occurs under your account

You must notify us immediately if you suspect unauthorized access to your account. We are not liable for any loss arising from unauthorized use of your credentials.

3. Description of the Service

Carbon is a productivity application that allows you to create, organize, and manage tasks using a three-card system (Today, Next, Someday). The Service includes:

  • A paid-upfront app with all features unlocked (see our Pricing page for details)
  • Cloud synchronization across your devices
  • Home Screen widgets
  • A web application for browser-based access
  • Desktop applications for Mac, Windows, and Linux

4. Purchases and Pricing

4.1 Paid-Upfront Model

Carbon uses a paid-upfront pricing model. Each platform (iPhone, iPad, Mac) requires a separate one-time purchase. Once purchased, all features are unlocked permanently. There is no subscription, no recurring fees, and no feature restrictions.

4.2 Refunds

All purchases are processed by Apple. Refund requests must be submitted through Apple's standard refund process at reportaproblem.apple.com. We do not have the ability to process refunds directly.

5. User Content

5.1 Ownership

You retain full ownership of all content you create within the Service, including task text, notes, tags, and any other data you input ("User Content"). We do not claim any intellectual property rights over your User Content.

5.2 License to Us

By using the Service, you grant us a limited, non-exclusive, worldwide license to store, process, and transmit your User Content solely for the purpose of providing and improving the Service (e.g., syncing your data across devices, delivering notifications). This license terminates when you delete your content or your account.

5.3 Prohibited Content

While we do not monitor your task content, you agree not to use the Service to store or transmit content that:

  • Violates any applicable law or regulation
  • Infringes on the intellectual property or privacy rights of others
  • Contains malware, viruses, or other harmful code
  • Is used to conduct or facilitate illegal activity

6. Acceptable Use

You agree not to:

  • Attempt to gain unauthorized access to the Service, other users' accounts, or our infrastructure
  • Reverse-engineer, decompile, or disassemble any part of the Service
  • Use the Service in any way that could damage, disable, or impair our servers or networks
  • Use automated systems (bots, scrapers) to access the Service without our written permission
  • Resell, sublicense, or redistribute the Service or any part thereof
  • Circumvent or attempt to circumvent any access restrictions or purchase verification

7. Intellectual Property

The Service, including its design, code, branding, app icons, user interface, and documentation, is owned by Shawn Schwartz and is protected by copyright, trademark, and other intellectual property laws. "Carbon" is a registered trademark of Shawn Schwartz.

Nothing in these Terms grants you any right to use our trademarks, logos, or branding without prior written consent.

8. Third-Party Services

The Service relies on third-party infrastructure and services, including:

  • Supabase — for authentication, data storage, and real-time synchronization
  • Apple — for App Store distribution, in-app purchases, Sign in with Apple, speech recognition, and push notifications

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

9. Service Availability

We strive to keep the Service available and reliable, but we do not guarantee uninterrupted or error-free operation. The Service may be temporarily unavailable due to maintenance, updates, or circumstances beyond our control.

We reserve the right to modify, suspend, or discontinue any part of the Service at any time. If we discontinue the Service entirely, we will make reasonable efforts to provide advance notice and allow you to export your data.

10. Disclaimer of Warranties

THE SERVICE IS PROVIDED "AS IS" AND "AS AVAILABLE" WITHOUT WARRANTIES OF ANY KIND, WHETHER EXPRESS, IMPLIED, OR STATUTORY, INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT.

WE DO NOT WARRANT THAT THE SERVICE WILL MEET YOUR REQUIREMENTS, THAT IT WILL BE UNINTERRUPTED, TIMELY, SECURE, OR ERROR-FREE, OR THAT ANY DEFECTS WILL BE CORRECTED.

11. Limitation of Liability

TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, IN NO EVENT SHALL SHAWN SCHWARTZ BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES, INCLUDING BUT NOT LIMITED TO LOSS OF DATA, LOSS OF PROFITS, OR BUSINESS INTERRUPTION, ARISING OUT OF OR IN CONNECTION WITH YOUR USE OF OR INABILITY TO USE THE SERVICE, EVEN IF WE HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

OUR TOTAL AGGREGATE LIABILITY FOR ALL CLAIMS ARISING OUT OF OR RELATING TO THESE TERMS OR THE SERVICE SHALL NOT EXCEED THE AMOUNT YOU PAID US IN THE TWELVE (12) MONTHS PRECEDING THE CLAIM, OR FIVE DOLLARS ($5.00), WHICHEVER IS GREATER.

12. Indemnification

You agree to indemnify, defend, and hold harmless Shawn Schwartz from and against any claims, liabilities, damages, losses, and expenses (including reasonable attorney's fees) arising out of or in connection with: (a) your use of the Service; (b) your violation of these Terms; or (c) your violation of any rights of another party.

13. Termination

You may stop using the Service and delete your account at any time. We may suspend or terminate your access to the Service if you materially breach these Terms, after providing reasonable notice where practicable.

Upon termination, your right to use the Service ceases immediately. We will delete your account data in accordance with our Privacy Policy. Provisions that by their nature should survive termination (including Sections 5.1, 7, 10, 11, 12, and 15) will survive.

14. Changes to These Terms

We may update these Terms from time to time. When we make material changes, we will update the "Effective date" at the top of this page and, where practicable, notify you within the app. Your continued use of the Service after changes are posted constitutes acceptance of the revised Terms.

If you do not agree to the revised Terms, you must stop using the Service and delete your account.

15. Governing Law and Disputes

These Terms are governed by and construed in accordance with the laws of the State of California, United States, without regard to its conflict of law principles.

Any dispute arising out of or relating to these Terms or the Service shall first be attempted to be resolved through good-faith negotiation. If the dispute cannot be resolved informally within 30 days, either party may pursue resolution through binding arbitration administered by JAMS under its Streamlined Arbitration Rules, conducted in Los Angeles County, California. The arbitration shall be conducted by a single arbitrator, and the arbitrator's decision shall be final and binding.

Class action waiver: You agree that any dispute resolution proceedings will be conducted only on an individual basis and not in a class, consolidated, or representative action.

Nothing in this section prevents either party from seeking injunctive or other equitable relief in a court of competent jurisdiction to prevent the actual or threatened infringement of intellectual property rights.

16. Apple-Specific Terms

If you access the Service through the Apple App Store, the following additional terms apply:

  • These Terms are between you and Shawn Schwartz, not Apple. Apple is not responsible for the Service or its content.
  • Apple has no obligation to provide maintenance or support for the Service.
  • In the event of any failure of the Service to conform to applicable warranties, you may notify Apple for a refund of the purchase price (if any). Apple has no other warranty obligation.
  • Apple is not responsible for addressing any claims relating to the Service, including product liability, legal compliance, or intellectual property claims.
  • Apple and its subsidiaries are third-party beneficiaries of these Terms and may enforce them against you.

17. Severability

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

18. Entire Agreement

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

19. Contact Us

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

Shawn Schwartz
Email: legal@carbonapp.co