---
title: Privacy Policy — Trek Log, Foursight, 4615
url: https://jasonirwin.ca/privacy
description: Privacy policy for Trek Log, Foursight, and 4615 — iOS apps by Jason Irwin. No personal data is collected.
applies_to:
  - Trek Log (https://jasonirwin.ca/apps/treklog)
  - Foursight (https://jasonirwin.ca/apps/foursight)
  - 4615 (https://jasonirwin.ca/apps/4615)
last_modified: 2026-05-28
---

# Privacy Policy

Applies to: Trek Log, Foursight, 4615
Developer: Jason Irwin (jason@matigo.ca)

## Summary

These apps collect no personal data. They do not phone home. They have no accounts, no servers operated by the developer, and no third-party SDKs for analytics, advertising, or crash reporting.

## Data collected

None.

## Third-party services

None used within the apps. The App Store is Apple's platform and subject to Apple's own privacy policy, which is outside the developer's control.

## Data stored on device

Storage occurs only as a natural result of app function. All data remains on the user's device or in the user's own iCloud account.

- **Trek Log**: Route files saved as KML to the user's iCloud Drive. The developer has no access to this storage.
- **Foursight**: Photos optionally saved to the user's Photos library, with explicit user action. The app does not read back from the Photos library.
- **4615**: Puzzle state stored locally on device only. Nothing leaves the device.

## Contact

jason@matigo.ca