Assistance, bug reports, feature requests, and inquiries for One Calculator.
Have a question or encountered an issue with calculations, unit conversions, or in-app purchases? Our technical team is here to assist you.
No. One Calculator executes 100% of calculations, formulas, unit conversions, and statistical models entirely offline on your local device.
Open Settings within One Calculator and tap "Restore Purchase". Your Lifetime license will be verified through Google Play or Apple App Store instantly.
You can delete your history at any time from the app Settings by tapping "Clear Calculation History".