Terms of Use
These Terms of Use govern your access to and use of LightYearStar, LLC websites, mobile applications, AI writing tools, and wellness products, including Typely AI and Care Heart.
Last updated: May 16, 2026
1. Agreement to Terms
By accessing or using our products, you agree to these Terms. If you do not agree, do not use our products. Additional terms may apply to specific features, subscriptions, App Store purchases, or third-party services.
2. Our Products
LightYearStar, LLC provides consumer mobile products for AI-assisted writing, translation, summarization, smart replies, productivity, heart rate tracking, wellness trends, and informational insights. Features may change, be added, or be removed over time.
3. Eligibility and Accounts
You must be old enough to use digital services in your jurisdiction and have the authority to accept these Terms. You are responsible for the activity that occurs through your device, account, subscription, or app installation.
4. Acceptable Use
You agree not to misuse our products. You may not:
- Violate laws, regulations, third-party rights, or platform rules.
- Use the products to create, distribute, or facilitate harmful or illegal content.
- Attempt to reverse engineer, disrupt, overload, or bypass product security.
- Submit content you do not have the right to use or process.
- Use outputs as professional advice without appropriate human review.
5. AI Features and User Responsibility
AI-generated outputs may be inaccurate, incomplete, outdated, offensive, or unsuitable for your intended purpose. You are responsible for reviewing and editing outputs before relying on, sending, publishing, or acting on them. Our AI features do not provide legal, financial, medical, or other professional advice.
6. User Content
You retain your rights in content you submit to our products. You grant us the limited rights needed to process that content to provide, maintain, protect, and improve the products, including generating requested AI outputs and providing support. You represent that you have the rights necessary to submit the content.
7. Typely AI Writing and Keyboard Features
Typely AI is intended to help with writing, rewriting, translation, summaries, and replies. You remain responsible for the messages, documents, or content you create or send using Typely AI.
8. Care Heart Wellness Disclaimer
Care Heart is intended for general wellness and informational use only. It is not a medical device, does not diagnose, treat, cure, or prevent any disease or medical condition, and is not a substitute for professional medical advice, diagnosis, treatment, or emergency care. If you have symptoms, medical concerns, or an emergency, contact a healthcare professional or local emergency services.
9. Subscriptions, Trials, and Billing
Paid features, free trials, subscriptions, renewals, cancellations, and refunds are managed through Apple App Store systems unless otherwise stated. Subscription terms are shown before purchase. You can manage or cancel App Store subscriptions through your Apple ID settings. Refund requests are handled by Apple according to Apple policies.
10. Intellectual Property
Our apps, websites, designs, software, logos, names, text, graphics, and other materials are owned by us or our licensors and are protected by applicable laws. These Terms do not transfer ownership of our intellectual property to you.
11. Third-Party Services
Our products may rely on third-party platforms and service providers, including Apple services, analytics, hosting, AI processing, payment infrastructure, and support tools. Third-party services may have their own terms and privacy policies.
12. Availability and Changes
We may update, suspend, discontinue, or limit any product or feature at any time. We do not guarantee that any product will be uninterrupted, error-free, or available in every region or on every device.
13. Termination
We may suspend or terminate access if we believe you have violated these Terms, created risk, misused the products, or if required by law or platform rules. You may stop using our products at any time.
14. Disclaimers
To the maximum extent permitted by law, our products are provided "as is" and "as available" without warranties of any kind, whether express, implied, or statutory. We disclaim warranties of merchantability, fitness for a particular purpose, non-infringement, accuracy, and availability.
15. Limitation of Liability
To the maximum extent permitted by law, LightYearStar, LLC and its affiliates, developers, service providers, and partners will not be liable for indirect, incidental, special, consequential, exemplary, or punitive damages, or for lost profits, data, goodwill, or business opportunities arising from or related to your use of our products.
16. Privacy
Our Privacy Policy explains how information may be collected, used, and shared when you use our products.
17. Changes to These Terms
We may update these Terms from time to time. The updated version will be posted on this page with a revised date. Continued use of the products after changes become effective means you accept the updated Terms.
18. Contact
For terms, billing, privacy, or support requests, contact support@zstarai.com.