Privacy Policy
Last updated September 1, 2026
This policy sets out how we handle the information we collect in the course of providing the service.
1. Who we are
The service is provided by the following company.
| Name | Growledge Inc. |
| Address | ParkFront Hakata-Ekimae 1-chome 5F-B, 1-23-2 Hakata-Ekimae, Hakata-ku, Fukuoka-shi, Fukuoka, Japan |
| Representative | Koki Uchino |
2. What we collect
We collect the following in the course of providing the service.
- Account information, such as your email address and the identifier that distinguishes your account.
- What you bring into the service, such as article URLs, files, and forwarded email.
- Information about how you use the service, such as device information, the IP address a request comes from, and records of your actions and of errors.
- Payment information, such as your plan state and billing history.
We never receive your card number. Your card details stay with the payment provider.
The service is not intended for children under 13. If we learn that we have collected information from a child under 13, we delete it promptly.
3. Why we use it
We use what we collect for the following purposes.
- Providing and running the service, including confirming who you are, billing your plan, and answering your enquiries.
- Preventing misuse, and acting on conduct that breaches our terms.
- Investigating faults, improving the service, and developing new features and services.
- Analysing how the service is used, and producing statistics processed so that no individual can be identified.
- Telling you about new features, updates, campaigns, and other news about the service and our other products and services, by email, push notification, or within the service.
- Telling you about the service and our other products and services in line with your interests, based on analysis of how you use it.
- Measuring the effectiveness of our advertising.
- Purposes incidental to the above.
4. Sharing
We do not share what we collect with third parties, except where the law requires it.
5. Processors
We entrust part of our operations to the companies below, which handle information only as far as that work requires.
| Cloud platform | Cloudflare, Inc. |
| Summaries and audio | Google LLC |
| Payments | Stripe, Inc. |
| Email delivery and receipt | Resend, Inc. |
| App delivery and notifications | Expo, Inc., Apple Inc., Google LLC |
| Website analytics | Google LLC, Microsoft Corporation |
| Error monitoring | Functional Software, Inc. (Sentry) |
| In-app purchase management | RevenueCat, Inc. |
6. Processing outside Japan
The processors in section 5 include companies based in the United States, which may handle the information entrusted to them there or in other countries or regions outside Japan.
Before entrusting any work, we make sure by contract that each processor has a system for continuously taking measures equivalent to those Japan’s Act on the Protection of Personal Information requires. We will tell you about the measures we take to ensure this on request.
7. How long we keep it
We keep information for as long as we need it for the purposes above, and delete it once it is no longer needed.
When you delete your account, we delete your registration information, what you brought into the service, and what the service produced from it, except for records the law requires us to keep.
8. Cookies
We use cookies to keep you signed in.
We also measure how our website is used, with Google Analytics and Microsoft Clarity, to improve it and to measure the effectiveness of our advertising. Both use cookies to recognise a visit. Microsoft Clarity records what is shown on screen and how it is used. We have set it not to record what you type into the contact form.
Refusing cookies in your browser stops this measurement. We do not respond to browser Do Not Track signals.
9. How we protect it
To prevent personal data from leaking, being lost, or being damaged, we take the following measures.
- We have appointed a person responsible for handling personal data, and we limit who handles it and what they handle.
- We encrypt data in transit, and only authenticated people can access the service’s data.
- We handle personal data with an understanding of the data protection rules of the United States, where our processors handle it.
10. Your rights
You can ask us to tell you why we use your personal data, to disclose it, to correct, add to, or delete it, to stop using or erase it, to stop sharing it with third parties, and to disclose our records of sharing it. Send your request through the contact form; we will confirm your identity and act on it without delay.
You can also delete your account from within the service.
11. Changes to this policy
We may revise this policy. Where a change is significant, we will give notice within the service or to your registered email address.
12. Governing language
This policy is written in Japanese. If the English version differs from the Japanese version, the Japanese version prevails.
13. Contact
For questions about this policy or how we handle personal information, please use the contact form.