NomadCalc is the ultimate offline currency converter built by a backpacker for travelers. Stop searching for local currencies—our GPS automatically syncs it. Convert instantly using our intuitive no-tap list mode, or switch to the familiar calculator interface. Built for poor connections, it caches rates for reliable offline use anywhere. Plus, we delay ads during quick calculations so you’ll never panic at the register. Travel stress-free!

Book Leaf turns paper-book highlights into searchable knowledge. Snap pages, tag notes, and use OCR to extract text so you can find the right line in seconds. Features: Bookshelf: register a book by shooting its cover. Notes & tags: save pages as notes and organize with tags. OCR search: extract text and search across your captured pages. Backup for peace of mind (Premium). Keep the feel of paper while making every quote easy to retrieve and share. Some features require Premium.