Calculator-AllKey ​Custom, AI+

*Billing plans are temporarily suspended. *Ads will be displayed, but the app is completely free to use. ・Calculations support up to 16 digits for integers and 10 digits for decimals. Decimals can be configured for displayed digits and rounding methods. ・Uses Android’s standard "Jetpack Room" for the history database,enabling stable operation and various features such as searching and sorting. ・Scans QR codes and various barcodes. ・AI-OCR powered by Google ML Kit: Easily import receipts and documents. ・Supports memory calculation. ・Supports real-time calculation and implicit multiplication. ・Scientific calculation features have also been added. ・Equipped with a time calculation mode. ・Equipped with consumption tax and discount calculation modes. ・Calculation history can be saved with dates and custom notes. You can reuse previous calculations, copy them, or export them to a CSV file. ・Can also be used as a dated memopad. ・Customize your calculator screen with your own custom colors, button shapes, and fonts. Set background wallpapers or slideshows. You can add unlimited images, with special tricks to enjoy them even while calculating. ・Includes a quick-toggle feature to instantly switch the entire screen to show only your wallpaper image. ・Set up multiple themes with distinct customizations and use the new 1-week schedule feature to rotate them automatically. ・Every single button can be individually customized with its own image, allowing them to serve as daily visual reminders. Furthermore, you can assign a "Second Image" protected by a password. This acts as a secret vault—perfect for saving ticket QR code screenshots, photos of your favorite celebs, or anything else you want to keep hidden. ・Assign custom constants or formulas to any button. Register your frequently used calculations for ultimate efficiency, or rearrange layout keys freely (e.g., placing "=" buttons on both sides). ・Supports Landscape Mode. ・Equipped with Dual/Double Calculator Mode. ・Includes a precise Stopwatch featuring 1/1,000-second measurements. ・Includes a built-in Timer. ・Home Screen Widgets available. *For more details, please refer to "How to Use" within the app. *Compatible with both smartphones and tablets. *Displays in English for all non-Japanese system environments.