The Riddler Password Safe, developed by Spinkey Soft, is a free password manager app available for Android users. With more than 100k users worldwide, it is a simple yet powerful tool for storing and managing passwords. The app is available in 10 languages and offers a range of features, including a secret notepad, password generator, and remote backup and restore through Dropbox service.

One of the standout features of The Riddler Password Safe is its ease of use. Users can quickly and easily input their account data, including category, name, username, password, website, and notes. The app also offers an ultra-fast search function and a copy-to-clipboard function for added convenience. All data, not just passwords, is encrypted using SHA-256 bit and AES-128 bit encryption algorithms, ensuring maximum security.

Overall, The Riddler Password Safe is a reliable and user-friendly password manager that offers all the necessary features for secure password storage and management.