If you're a beginner diver or just want to refresh your memory on the basic diving signs, Basic Diving Signs app is a great tool to have. Developed by PayToPwn, this free app provides you with 35 essential diving signs that are used worldwide.

The app's interface is user-friendly, making it easy to navigate through the different categories of signs. The signs are illustrated with clear and concise images, accompanied by a brief description of their meaning. The app also includes translations in both English and Spanish, making it accessible to a wider range of users.

Overall, Basic Diving Signs is a helpful app for anyone who wants to learn or review the essential diving signs. It's a great reference guide to have on hand before your next diving adventure.