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Privacy Policy

Last updated: July 31, 2026 · Effective for thinkingnative.com, related APIs, and the ThinkingNative iOS app.

ThinkingNative (“we”, “us”) provides tools that rewrite AI-generated text so it reads more naturally. This policy explains what we collect, how we use it, and the choices you have. It covers our website, web try tool, API, account dashboard, and the standalone ThinkingNative iOS app.

1. Who this applies to

  • Website visitors — marketing pages, pricing, docs, and contact forms.
  • Web users — free try, signed-in accounts (Clerk), Stripe billing, and API keys.
  • iOS app users — App Store installs with optional Pro subscriptions via Apple / RevenueCat.

2. Information we collect

Depending on how you use ThinkingNative, we may process:

  • Account information — email and auth identifiers when you sign up on the web (via Clerk). Optional profile fields you provide.
  • Contact messages — name, email, company (optional), and message content you submit on /contact.
  • Content you submit for processing — draft text you send to naturalize via the try tool, API, or iOS app. We process this to return a rewrite.
  • Usage and billing metadata — word/usage counts, plan or entitlement status, API key identifiers, timestamps, and similar operational logs needed to run quotas and support.
  • Technical data — IP address, approximate location derived from IP (for abuse prevention / analytics), user agent, device/app version, and cookies or similar session identifiers on the web.
  • iOS purchase data — subscription status and related identifiers from Apple / RevenueCat so we can unlock Pro features. We do not receive your full payment card number from Apple.
  • Web payment data — Stripe handles card payments for web plans. We store Stripe customer/subscription references, not full card numbers.

3. How we use information

  • Provide, operate, and improve the Service (rewrites, try tool, API, iOS app).
  • Authenticate accounts, enforce free/paid limits, and prevent abuse or fraud.
  • Process subscriptions and purchases (Apple / RevenueCat on iOS; Stripe on web).
  • Respond to support and contact requests.
  • Monitor reliability, security, and product performance.
  • Comply with law and protect our rights.

We do not sell your personal information. We do not use your draft text to train our own foundation models. Draft text is processed to deliver your rewrite and for operational purposes (abuse prevention, debugging, and service quality); we aim not to retain draft content longer than needed for those purposes.

4. Processors and third parties

We use service providers to run ThinkingNative. They process data only to provide their services to us, for example:

  • Clerk — web authentication.
  • Stripe — web subscriptions and payments.
  • Apple App Store and RevenueCat — iOS in-app subscriptions and entitlement status.
  • Infrastructure hosts — e.g. Railway, Cloudflare (and related proxies) for serving the site/API and the iOS API proxy.
  • Model / rewrite providers — e.g. OpenRouter and other compute backends we call to generate rewrites. Text you submit is sent to these providers as needed to produce a result.
  • Email delivery — to send operational or contact-related email (e.g. Resend).

These providers have their own privacy practices. We choose them to operate the product; we do not sell your data to advertisers.

5. iOS app and App Store subscriptions

The ThinkingNative iOS app is a standalone App Store product. Pro access is sold as auto-renewable subscriptions through Apple. RevenueCat helps us manage offerings and entitlement status in the app.

Manage or cancel iOS subscriptions in Apple’s subscription settings (Settings → Apple ID → Subscriptions, or via the manage-subscription link in the app). Canceling is handled by Apple — not by a “cancel on our website” control for App Store purchases. Deleting the app does not cancel a subscription.

Optional Advanced mode in the app may let you paste a ThinkingNative API token (tn_…) tied to a web account. That token is stored on device for API calls you initiate; treat it like a password.

6. Cookies and similar technologies

On the website we use cookies or local storage as needed for sessions, signed-in state (Clerk), try-tool limits, and basic product analytics / visit tracking. You can control cookies through your browser settings; some features may not work without them.

7. Retention

We keep account, billing, and usage records for as long as your account is active and as needed for legal, tax, security, and dispute-resolution purposes. Contact form messages are retained so we can respond and keep a support history. Draft text is not intended as a long-term content archive; operational logs may keep limited metadata (and, in some cases, short-lived content for debugging) according to our systems’ retention settings.

8. Security

We use industry-standard measures appropriate to an early-stage SaaS product (HTTPS, access controls, keyed API access). No method of transmission or storage is 100% secure. Please use strong passwords for web accounts and keep API tokens private on a server or local MCP config you control (not in a mobile app or public webpage).

9. Children

ThinkingNative is not directed at children under 13 (or the equivalent minimum age in your region). We do not knowingly collect personal information from children. If you believe a child has provided us data, contact us and we will take appropriate steps.

10. International users

We may process and store information in the United States and other countries where we or our providers operate. If you use the Service from elsewhere, you understand that your information may be transferred to those locations.

11. Your choices and requests

  • Update or delete your web account through Clerk / Account flows where available, or email us.
  • Manage iOS subscriptions through Apple as described above.
  • Stop using the Service and uninstall the app at any time.
  • Request access or deletion of personal data we hold by emailing us (subject to legal exceptions).

12. Changes

We may update this policy as the product evolves. We will post the revised version on this page with an updated “Last updated” date. Continued use after changes means you accept the updated policy.

13. Contact

Questions about privacy: [email protected] or the contact form.

This notice is a practical description of our MVP practices, not formal legal advice.

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