Privacy policy for 2 Stroke Fuel Mix Calculator

Last updated: 27 October 2026

2 Stroke Fuel Mix Calculator for Android (package name com.jiffyjoker.twostrokemix) is published by Jiffyjoker. The app calculates fuel and oil quantities for a selected 2-stroke mix ratio.

Calculator information

The app does not require an account. Mix ratios, volume entries, and calculation preferences are stored locally on your device so they can be restored when you reopen the app. These entries are used only for the calculator and are not sent to Jiffyjoker or saved on a Jiffyjoker server. You can reset the current values in the app; uninstalling the app removes its local app data.

Advertising and privacy choices

The app includes Google Mobile Ads and Google's User Messaging Platform (UMP). Where required, UMP presents a consent message before ads are requested. When UMP requires a privacy-options control, the app provides a control to revisit available choices. Consent messages and ad requests require an internet connection; the calculator can otherwise be used offline.

Google Mobile Ads may automatically collect and share information such as IP address (which can indicate approximate location), app interactions, ad impressions and interactions, diagnostics and performance information, and device or account identifiers such as Android Advertising ID and App Set ID where available. Google describes using information for advertising, analytics, fraud prevention, and related service purposes. Depending on your region, settings, and choices, advertising may be personalized where permitted. Google says the listed data is encrypted in transit. The app does not request device-location permission; approximate location inferred from an IP address is separate from device-location permission. See Google's Google Mobile Ads SDK data disclosure for Google Play and Google Privacy Policy.

Data handled by Jiffyjoker

Jiffyjoker does not receive calculator entries and does not operate an account, calculation-history, or cloud-sync service for this app. If you email us, we receive the information you choose to include and use it to respond.

Retention and deletion

Calculator entries remain in local app storage until you reset them or uninstall the app. Google handles advertising information under its own retention and deletion practices.

Children

This app is intended for a general audience and is not designed for children. Jiffyjoker does not knowingly collect personal information directly from children through the app.

Changes and contact

This policy may be updated if the app or its data practices change. For privacy questions, contact jiffyjoker1@gmail.com.