Effective date: July 22, 2026
Conversion and calculation content is processed on your device. We do not require an account and do not operate a server that receives your calculations. The Android app uses Google AdMob; the Chrome extension and paid iOS app contain no advertising SDK.
This policy applies to Unit Converter & Calculator, including the Android application with package name com.aibirch.unit_converter_calculator, the paid iOS application, and the Chrome browser extension.
The app processes the values you enter to perform conversions and calculations. This processing occurs locally on your device.
The app may store the following locally on your device:
On the Chrome extension, data is stored using the browser's localStorage. We do not receive this locally stored content. You can remove it by clearing the app's storage, clearing your browser data, or uninstalling the app/extension.
The Chrome extension does not collect, store, or transmit any personal information. All data remains in your browser's local storage. The extension does not include advertising SDKs, analytics, or tracking services. No data is sent to any external server.
The Android version uses Google Mobile Ads (AdMob) to display banner, interstitial, and rewarded ads. Google and its advertising partners may automatically process information such as your IP address, advertising identifier, device information, app interactions, ad interactions, and diagnostic information. An approximate location may be inferred from information such as an IP address. This data is processed under Google's own terms and policies and may be used to provide, personalize, measure, and protect advertising services, depending on your region and settings.
Learn more from Google's Privacy Policy, Google's advertising policies, and How Google uses information from apps that use its services.
The paid iOS version does not initialize or include Google Mobile Ads and does not display advertising. Its conversions, calculations, favorites, history, and theme preferences remain on the device.
On Android, internet and network-state access support advertising. The Chrome extension does not request any special permissions beyond the default popup access. The current app does not request access to your contacts, photos, precise location, microphone, or camera for its conversion and calculator features.
We do not sell personal information. On Android, information may be processed by Google and its advertising partners as described above. We may also disclose information when required by law, to protect rights or safety, or in connection with a business transfer, subject to applicable law.
Local app data remains on your device until you delete it, clear app storage, clear browser data, or uninstall the app/extension. Information processed by Google is retained according to Google's policies and your Google advertising settings.
The app is a general-audience utility and is not directed to children under 13. We do not knowingly collect personal information directly from children. If you believe a child has provided personal information, contact us so the matter can be reviewed.
We use reasonable measures designed to protect information. However, no device, storage system, or transmission method can be guaranteed completely secure.
This page is hosted on Cloudflare Pages. When you visit it, Cloudflare may process standard web request information such as IP address, browser information, and security logs under Cloudflare's Privacy Policy.
We may update this policy when the app, service providers, or legal requirements change. The revised effective date will be shown at the top of this page.
For privacy questions or requests, contact us at okaongok@gmail.com. Please include "Unit Converter & Calculator Privacy" in your message.