Last Updated: December 13, 2025
Thank you for using DayWonder (“we,” “our,” “us,” or “the App”). We are committed to protecting your privacy and being transparent about our data practices.
DayWonder is a private diary application that prioritizes your privacy. We do not collect, transmit, or store any personal information on our servers. All your data remains on your device and optionally in your personal iCloud account, which only you control.
This Privacy Policy explains:
DayWonder stores all data locally on your device and optionally in your personal iCloud account. We do not have servers and cannot access your data.
When you use DayWonder, the following information may be stored:
Diary Content:
Location Information (Optional):
Weather Information:
Metadata:
Media Files:
All data is used solely to provide the App’s core functionality:
✅ Display and organize your diary entries in timeline and map views ✅ Save and sync your content across your devices via iCloud ✅ Record location and weather for diary entries (when you choose) ✅ Provide search and filtering features within the app
❌ We do not collect data to our servers - We have no servers ❌ We do not sell your data - Never, to anyone ❌ We do not use your data for advertising - No ads in DayWonder ❌ We do not track you - No analytics, no tracking across apps or websites ❌ We do not share your data with third parties - Your data stays private
All data is primarily stored on your device using iOS secure storage mechanisms. This data is protected by your device’s security features (passcode, Face ID, Touch ID).
If you enable iCloud sync:
We do not operate servers. All data processing happens on your device.
DayWonder requests the following permissions to provide functionality. All permissions are optional - you can deny them and still use the app with limited features.
Purpose: To record where diary entries are created and fetch weather information Type: Precise location, only when app is in use How to control: Settings → Privacy & Security → Location Services → DayWonder
What we do: Store location data locally on your device What we don’t do: Track your movements, share location with third parties, or access location when app is closed
Purpose: To select photos and videos for your diary entries How to control: Settings → Privacy & Security → Photos → DayWonder
What we do: Access photos you select for diary entries What we don’t do: Access all photos, upload photos to our servers, or share photos with third parties
Purpose: To take photos for diary entries How to control: Settings → Privacy & Security → Camera → DayWonder
What we do: Allow you to capture photos within the app What we don’t do: Access camera without your action or store photos elsewhere
Purpose: To sync your diary data across your Apple devices How to control: Settings → [Your Name] → iCloud → DayWonder
What we do: Use Apple’s CloudKit to sync to your iCloud What we don’t do: Access your iCloud data or store data on our servers
We use the following services, which are subject to their own privacy policies:
We do not use:
We do not share your data with anyone.
Since all data is stored locally on your device and in your personal iCloud account:
You have complete control over your data:
✅ Access: View all your data within the app ✅ Modify: Edit or update any diary entry anytime ✅ Delete: Remove individual entries or all data ✅ Export: Export your data in standard formats ✅ Control Sync: Enable or disable iCloud sync anytime ✅ Manage Permissions: Grant or revoke location, photo, and camera access in iOS Settings
Delete specific entries: Swipe and delete within the app Delete all data: Uninstall the app from your device iCloud data: Manage in Settings → [Your Name] → iCloud → Manage Storage → DayWonder
If you are a California resident, you have specific rights regarding your personal information.
Your Rights:
Our Practices:
✅ We do not collect personal information that identifies you ✅ We do not sell or share personal information ✅ We do not use data for advertising or tracking ✅ All data is stored locally on your device and in your personal iCloud account
Since we do not collect personal information to our servers, there is no data for us to disclose, delete, or correct. You have full control through the app and your device settings.
Contact for California Privacy Rights: Email: lyi4ng@gmail.com
Do Not Sell My Personal Information: We do not sell personal information and have not sold personal information in the past 12 months.
Do Not Track Signals: DayWonder does not track users, so “Do Not Track” (DNT) browser signals are not applicable. We do not track users across websites or apps, use cookies, or collect data for advertising.
Privacy Policy Changes: We will notify you of material changes by updating the “Last Updated” date and providing notice in the app for significant changes.
If you are located in the European Union (EU) or European Economic Area (EEA), you have rights under the General Data Protection Regulation (GDPR).
We process data based on:
You are the controller of your own data. All data is stored on your device and in your personal iCloud account. We do not act as a data controller or processor as we have no access to your data.
Since all data is stored locally:
Contact for GDPR Inquiries: Email: lyi4ng@gmail.com
Supervisory Authority: EU residents have the right to lodge a complaint with your local data protection authority.
DayWonder is rated 4+ and suitable for all ages. However, we do not knowingly collect personal information from children under 13 years of age.
We do not:
All data is stored locally on the user’s device and optionally in their personal iCloud account, which should be controlled by a parent or guardian for children.
Parents and guardians have full control over:
If you believe your child has used DayWonder and you have concerns:
We comply with the Children’s Online Privacy Protection Act (COPPA) by not collecting personal information and storing all data locally on the user’s device.
DayWonder can be used worldwide. All data is stored on your device and in your personal iCloud account according to your iCloud region settings. We do not transfer data internationally because we do not collect data to our servers.
We may update this Privacy Policy from time to time to reflect changes in our practices or for legal, operational, or regulatory reasons.
How we notify you:
Your continued use of DayWonder after changes constitutes acceptance of the updated Privacy Policy.
| Data Type | Collected? | Purpose | Storage | Linked to Identity? | Tracking? |
|---|---|---|---|---|---|
| Diary Text | ✅ Yes | App Functionality | Device + iCloud | ❌ No | ❌ No |
| Photos/Videos | ✅ Yes | App Functionality | Device + iCloud | ❌ No | ❌ No |
| Location | ✅ Yes (optional) | App Functionality | Device + iCloud | ❌ No | ❌ No |
| Weather Data | ✅ Yes | App Functionality | Device + iCloud | ❌ No | ❌ No |
| Name/Email | ❌ No | N/A | N/A | N/A | N/A |
| Device ID | ❌ No | N/A | N/A | N/A | N/A |
| Usage Analytics | ❌ No | N/A | N/A | N/A | N/A |
If you have any questions, concerns, or requests regarding this Privacy Policy or your data privacy rights, please contact us:
Email: lyi4ng@gmail.com
Response Time: We aim to respond to all inquiries within 48 hours, and within legally required timeframes for privacy rights requests (typically 30-45 days).
In short: DayWonder is a privacy-first diary app. All your data stays on your device and in your personal iCloud account. We don’t collect, access, sell, or share your personal information. You have complete control over your data at all times.
© 2025 Yiang Lu. All rights reserved.