Sunlap Privacy Policy
Effective: October 30, 2026 · App: Sunlap (com.mindstartium.sunlap) 1.0.0
1. Overview
Sunlap (the "App") is a camera app that overlays your previous photo so you can retake it from the same spot and angle. It is developed and operated by Mindstartium, a counseling and education institute (the "Developer").
The App has no sign-up or login, and the Developer does not run any server that receives or stores your information. The App contains no ads, analytics or crash-reporting tools. This policy explains the information the App handles on your device and the Google components it uses.
2. Information stored only on your device
- Photos you take or import (in the App's storage and in your gallery album "Sunlap/<place name>")
- Place data: place name, record type, shooting interval, the location you set (coordinates and address), and dates such as anniversaries and birthdays
- Information attached to photos: voice memos, notes, family face tags and the birth dates used to calculate ages, height and other values you enter
- Time capsule letters: text, voice and opening date
- Reminder schedules, streaks, card decorations, app settings and your Premium purchase status
This information stays on your device and is not sent to the Developer. Face detection, match scoring, video creation and all other processing happen on the device.
When you import old photos, the App reads the capture date and GPS data embedded in the photo file (if any) on the device to fill in the shooting date and place location. Spoken capture guidance is read aloud by your device's text-to-speech (TTS) engine.
3. Permissions and how they are used
| Permission | When it is requested or used | Purpose and handling |
|---|---|---|
| Camera | Only when the capture screen is open | Taking photos, ghost overlay and match scoring. The camera feed is not stored or sent anywhere and stops as soon as you close the capture screen. |
| Microphone | Only while you hold or tap record | Voice memos per photo (up to 20 seconds) and time capsule voice (up to 60 seconds). Recordings are stored only on the device and never sent. Recording stops immediately when you stop it. |
| Location (precise and approximate) | Only while you are using the App | Setting a place's location, showing the map, distance to a place, and the sun-position hint for matching light. Background location is not used and no location history is kept. |
| Notifications | When you first turn reminders on | Local reminders for shoot days, milestones, "N years ago today", streaks and time capsule openings. They are scheduled on the device and do not go through any server. |
| Run at startup | When the device restarts | Re-registers scheduled reminders after a reboot. |
| Vibration | On capture and reminders | Capture feedback and reminder vibration |
| Write storage | Android 9 and below only | Saving photos to your gallery |
| Internet | For maps, address lookup and purchases | Loading Google Maps tiles, address search and coordinate-to-address lookup, and Google Play billing. Photos, voice recordings and face data are never uploaded. |
When importing old photos, the App uses the system photo picker and reads only the photos you choose. Tilt and compass sensor values used for level and direction matching are used on the device only and are not stored.
You can turn off any permission in your device settings at any time. Only the related feature stops working; the rest of the App keeps working.
4. In-app purchase (Google Play)
"Sunlap Premium" is a one-time purchase (not a subscription; product ID sunlap_premium) processed by Google Play billing. It unlocks unlimited places (3 are free), growth movies, the celebration pack, time capsule letters (1 is free), watermark-free vertical videos and print PDFs.
Payment details such as your card are handled by Google; the Developer does not receive them. The Developer runs no receipt-verification server, and the App keeps only the purchase status reported by Google Play on the device.
5. Backup and family sharing (only when you choose)
- Backup: when you create a backup, the App makes a file containing your photos and records, and you save it wherever you choose through the share sheet (for example, your own Drive). The Developer does not receive this file.
- Family sharing: a place bundle file is sent through the share sheet to the app or person you choose. The recipient opens the file in their App to import it.
- Sealed time capsule letters are included only in backup files, not in family sharing bundles.
- When you send photos or videos to other apps through the share sheet, those apps' policies apply.
6. Third-party components
| Component | Provider | Purpose and handling |
|---|---|---|
| Google Maps SDK for Android | Google LLC | Displaying the map of places. When you view the map, Google may process device information and map location under the Google Privacy Policy. |
| Google Play Billing | Google LLC | Processing Premium purchases (section 4) |
| Google ML Kit face detection | Google LLC | Match scoring, smile shutter, face-change videos and face tags. Faces are detected by an on-device model; photos and face images are not uploaded. ML Kit may, however, send diagnostic information such as API usage and performance (including device and app information) to Google to improve the service. |
| Address lookup (Android Geocoder via geocoding) | Google (Android platform service) | Converts address searches into coordinates and coordinates into addresses when you set a place's location. The search text and coordinates are sent to and processed by Google services. |
Google Privacy Policy: https://policies.google.com/privacy
7. Children
The App is intended for adults such as parents and is not directed to children under 13. Photos may include children (for example, kid growth or baby records), but such photos and information are stored only on the user's device and are not sent to the Developer.
8. Sharing with third parties and international transfer
The Developer does not sell or provide your personal information to third parties. Information processed through Google Maps, address lookup (Android Geocoder), Google Play billing and ML Kit diagnostics described in section 6 is handled by Google LLC (United States) under Google's policies. The Developer itself receives no personal information and transfers none abroad.
9. Retention and deletion
- You can delete places, photos and time capsule letters in the App at any time.
- Uninstalling the App deletes all information in the App's storage.
- Photos saved to the "Sunlap" albums in your gallery and backup files you keep yourself remain after uninstalling, and you can delete them yourself.
10. Changes to this policy
If we change this policy because of new App features or legal requirements, we will post the update on this page with a new effective date.
11. Privacy officer and contact
- Operator: Mindstartium (Counseling & Education Institute)
- Privacy officer: Hyejin Kim (Representative)
- Email: contact@mindstartium.com
- Contact page: https://mindstartium.com/en/contact