Privacy Policy
Last updated: March 24, 2026
Cullio ("we", "our", or "us"), operated by Mildgrind Co., Ltd., is committed to protecting your privacy. This Privacy Policy explains how we collect, use, and safeguard your information when you use the Cullio iOS app.
Information We Collect
- Photos — Cullio accesses photos you select or capture within the app solely to provide composition analysis and film creation features. Photos are processed on-device and are not uploaded to our servers.
- Apple ID — When you sign in with Apple, we receive a unique user identifier and, optionally, your name and email address.
- Subscription Information — We process subscription purchases through Apple's StoreKit. We do not store your payment information.
- Feedback — If you submit feedback through the app, we collect the content of your message and optionally your email address.
- Crash & Error Data — We use Sentry to collect crash reports and error logs to improve app stability. This may include device model, OS version, and app version.
How We Use Your Information
- To provide and improve the features of Cullio
- To process subscriptions and manage your account
- To respond to feedback and support requests
- To diagnose and fix technical issues
Third-Party Services
Data Retention
We retain your data only as long as necessary to provide our services. You may request deletion of your data by contacting us.
Children's Privacy
Cullio is not directed to children under the age of 13. We do not knowingly collect personal information from children.
Changes to This Policy
We may update this Privacy Policy from time to time. We will notify you of any significant changes by updating the date at the top of this page.
Contact
Mildgrind Co., Ltd.