Question: I need a secure way to encrypt and decrypt data on my device, can you suggest an app that does that?

If you need a tool to encrypt and decrypt data on your machine, Hammer is a powerful choice. This offline-capable tool has a lot of data transformation abilities, including AES-GCM encryption and decryption. It costs $4.99 USD one time, comes with lifetime updates and customization support, and is a good, secure way to get your data under control.

Another good choice is ProtoText, a free, open-source desktop app for organizing and managing complicated information. It's got strong encryption for sensitive data and can integrate with AI services for different data visualization options. ProtoText is available for Mac and Windows, so you can use it on whatever machine you prefer, and it's a good way to keep your data under your control.

For a more general-purpose tool, IXORD is a note-taking and task manager with strong encryption that uses AES-256. It's also got SSL certification and works on multiple machines, which is good for freelancers, businesspeople and remote workers. IXORD offers a free trial and a basic subscription for $7.99 per month, so you can strike a balance between security and convenience.

Last, Dropbox is a widely used service for storing and sharing files securely. It's got features like password protection, watermarking and 256-bit AES encryption. Dropbox works on multiple machines and operating systems, and its plans range from $9.99 per month for personal use to customizable business plans. It's a good choice if you need a service to store data and collaborate with others.