Privacy Policy

Last updated: April 16, 2026

Overview

NibFlow ("we", "our", "the app") is committed to protecting your privacy. This policy explains how we handle your information.

Data Collection

NibFlow does not collect, store, or transmit any personal data to external servers. All data you enter (pen combos, ink preferences, paper grades, notification settings) is stored locally on your device only.

What We Don't Collect

• No names, email addresses, or account information
• No usage analytics or tracking
• No health or medical data
• No cookies or advertising identifiers

Location Data

NibFlow uses your device location solely to fetch local weather data from Open-Meteo. Location is used in real time to request weather information and is not stored, logged, or transmitted to any server operated by us. If you deny location permission, you may enter your city manually instead.

Weather Data

Weather data is fetched from Open-Meteo (open-meteo.com) using your approximate location. Open-Meteo is a free, open-source weather API. NibFlow uses it under a commercial license. No personally identifiable information is sent to Open-Meteo.

Local Storage

The app stores your pen + ink + paper combos, cached weather data, and notification preferences locally on your device using Hive (local database). This data never leaves your device. Uninstalling the app deletes all stored data.

In-App Purchases

Subscription purchases are processed entirely by Apple through the App Store. We do not have access to your payment information, Apple ID, or billing details. Subscription management is handled through your Apple ID settings.

Push Notifications

The app uses local notifications only (scheduled on your device) for morning flow alerts. No data is sent to any push notification server. You can enable or disable notifications in the app's settings.

Third-Party Services

• RevenueCat: Used for subscription management. RevenueCat may collect anonymous transaction data as described in their privacy policy. No personally identifiable information is shared.
• Open-Meteo: Weather API used to fetch local weather conditions. See Open-Meteo terms for details.

Children's Privacy

This app is not directed at children under 13. We do not knowingly collect information from children.

Changes to This Policy

We may update this privacy policy from time to time. Any changes will be reflected on this page with an updated date.

Contact

If you have any questions about this privacy policy, please contact us at:
naruto0414@gmail.com