MTR / PRIVACY

Your photos are
yours.

Photo content stays on your device. Here is what MonTri uses to work, with on-device image processing kept distinct from technical services.

Your photo content stays on the device

MonTri reads your photo library only to display images, apply filters and run the detections you request. Photo and video files are not uploaded to MonTri servers.

Sorting decisions, detection results and the MonTri review bin also remain on your device.

Permissions

Photo-library access is required to display media and apply the deletions you confirm. Depending on the platform, MonTri may ask for permission to send weekly reminders and recap notifications, and iOS may ask for advertising-tracking permission.

You can withdraw permissions in phone settings. The related features may then become unavailable.

Technical services

MonTri uses Google Firebase Analytics for usage measurement, Google Mobile Ads for advertising, Tenjin for attribution and RevenueCat for purchase verification. These providers may process device identifiers, interaction data, advertising data, purchase information and diagnostics under your consent choices and platform rules.

These services do not receive photo-library content through MonTri. Their network activity is separate from the on-device analysis of your images.

Control and contact

MonTri does not require a user account. Local app data is removed when you delete the app, subject to system-managed backups. Technical providers and Apple or Google may retain records under their own policies and legal obligations.

For any privacy question: contact@mcsedition.org.

Last updated: August 28, 2026. This page describes MonTri version 2.

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