How can we help?

Yes. All 200+ core tools are free forever, supported by light, non-intrusive ads. An optional one-time upgrade removes ads completely — no subscriptions, no recurring charges.

Almost everything runs 100% offline on your device. The only tools that need a connection are those depending on live data — such as real-time currency exchange rates. The currency converter also caches the last known rates for offline use.

Yes. Your calculations, history, and every value you enter stay on your device and are never uploaded. There are no accounts and no data resale. See our full Privacy Policy for details.

Different tools sometimes use different conventions — for example, banks may round EMI differently, and BMI formulas vary slightly by region. Each tool in the app documents the exact formula it uses under its info (ⓘ) button. If you believe a result is genuinely wrong, please report it and we'll verify against reference sources.

Long-press any tool on the home grid (or tap the ☆ icon inside a tool) to pin it to your Favorites tab. Favorites sync with your device backup, so they survive phone upgrades.

The health and finance tools are for general information and planning only. They are not a substitute for advice from a qualified doctor, financial advisor, or tax professional. Always verify important decisions with a licensed expert.

Install the app, open Settings → "Restore Purchase," and make sure you're signed into the same Google Play / App Store account used for the original purchase. If it doesn't restore, email us your order ID and we'll sort it out.

The app automatically follows your device's locale for number formats, currencies, and units across 150+ regions. Additional interface languages are being added with every release — request yours via the feature request link above.

Use the "Request a Tool" card above or the in-app feedback form (Settings → Send Feedback). We review every suggestion and ship the most-requested tools in regular updates.

Because everything is stored locally, simply clear the app's storage in your device settings or uninstall the app — all history, favorites, and preferences are removed immediately.