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Privacy Policy

Last updated: 11 October 2026

This policy applies to luzzan.com and to all Android apps published by LUZZAN PRIVATE LIMITED under the brand Only Software ("we", "us"). Each app also has its own privacy policy, linked below, which describes exactly what that app does. Where the two differ, the app's own policy applies to that app.

Who we are

LUZZAN PRIVATE LIMITED, House No. 597, First Floor, Block Gondia, Gondia, Maharashtra 441601, India. Email: luzzan.co.lux@gmail.com. We are the data controller for our apps.

Data that stays on your phone

Most of what you create in our apps (puzzles, expenses, habits, scans, saved jobs, quiz progress, settings) is stored only on your phone. We do not receive it. Clearing the app's data or uninstalling the app deletes it.

Ads

Most of our apps are free and show ads from Google AdMob. AdMob may collect your device's advertising ID, IP address, basic device information and how you interact with ads, to show and measure ads and prevent fraud. In the EEA, UK and Switzerland the app asks for your consent first, and you can change your choice in the app's settings. Vacancy Bell and Roz Quiz show no ads in their current versions.

Online features

Apps with online features (online game rooms, watch-together rooms, shared expense ledgers, "Report a mistake") use Google Firebase (Authentication and Realtime Database). Firebase gives the app a random anonymous ID that is not linked to your name, email or phone number. Expense Tracker's optional email login stores your email address with Firebase Authentication. Online room data is deleted automatically after a few hours, and each app's policy gives the exact time.

Content downloads

Vacancy Bell and Roz Quiz download job notices and quiz content from public files hosted on GitHub. They send no personal data with these requests.

How we use data

Only to run the features you use, to show ads in free apps, to keep online features safe, and to fix mistakes you report. We do not sell your personal data.

Sharing

Only with the service providers named above (Google AdMob, Google Firebase), who process it on our behalf under their own privacy policies.

Security

Data sent over the internet is encrypted in transit (HTTPS).

Children

Our apps are not made for children under 13, and we do not knowingly collect their data.

Deleting your data

See our Delete account and data page (https://luzzan.com/delete-data), or email luzzan.co.lux@gmail.com.

Changes

If this policy changes, we post the new version on this page with a new date.

Contact

LUZZAN PRIVATE LIMITED, luzzan.co.lux@gmail.com

Privacy policy for each app