This app combines basic arithmetic, scientific functions, programmer conversions, and unit conversions into a single, easy-to-use tool. It automatically saves all your calculations to a history log, ensuring you never lose important data.





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Category Memo is great, but it's not the only option. Explore 28+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.










This app combines basic arithmetic, scientific functions, programmer conversions, and unit conversions into a single, easy-to-use tool. It automatically saves all your calculations to a history log, ensuring you never lose important data.






Convert web pages to PDFs, scan text from images, and manage your documents. This app functions as a PDF reader, editor, scanner, and converter, offering tools to merge, secure, and extract content from your files.


This app automatically redirects requests from popular services like Twitter, YouTube, and Google Search to privacy-focused alternatives. It offers a configurable way to enhance your online privacy by using open-source, community-driven options.


This open-source application provides robust text editing capabilities for iOS devices. It allows users to manage files and directories, view content in a built-in browser, and download files via HTTPS. The app also offers convenient features like an accessory view for symbol input and markdown preview.




Organize complex projects with infinitely layered tasks. View all parent, child, and grandchild tasks at a glance without multiple taps. Collapse or expand task branches for clarity and utilize repeat functions for recurring to-dos.


Securely store and manage all your important information, including IDs and passwords, in one place. Access your data with a simple 4-digit PIN and sync across devices using iCloud. Back up your information for peace of mind.




Organize your notes and tasks in a flexible table format, similar to a spreadsheet. Add rich content like colors, images, links, and track task progress. Seamlessly sync across devices and export your data.