Proton Drive vs Constants.Info

Proton Drive provides private and secure storage for your files and photos. With Proton Drive you can protect important documents, automatically back up cherished memories, and access your content across devices. All Proton Drive accounts come with 5 GB of free storage and you can upgrade to up to 1 TB of storage at any time. Trusted by over 100 million users, Proton Drive gives you an end-to-end encrypted vault where only you—and the people you choose—can access your files and photos. Proton Drive features: - Secure storage - Get 5 GB of free encrypted cloud storage with no file size limits. - Share content using secure links with password and expiration settings. - Keep your files and photos safe with PIN or biometric protection. - Access important files and photos even if your device is lost or damaged. Easy to use - Automatically back up photos and videos in their original quality. - Securely organize your cherished memories into albums. - Rename, move, and delete your personal files securely within the app. - Create, edit and collaborate on docs. - View your important files and memories – even when offline. - Restore files with version history. Advanced privacy - Stay private with end-to-end encryption – even Proton can’t view your content. - Secure your metadata, including filenames, sizes, and modification dates. - Protect your content with Swiss privacy laws, the strongest in the world. - Trust in our open-source code that is public and verified by experts. Secure up to 5 GB of free storage for your personal files, photos, and videos with Proton Drive.  Stay ahead with our releases and updates by connecting with us! - LinkedIn: https://www.linkedin.com/company/protonprivacy - Instagram: https://www.instagram.com/protonprivacy/ - X/Twitter: https://x.com/ProtonDrive - Reddit: https://www.reddit.com/r/ProtonDrive/ Terms of Service: https://proton.me/legal/terms Privacy Policy: https://proton.me/legal/privacy

Find, Compare, and Share Material Data Easily Constants.Info is designed for quick and convenient access to material properties. Whether you're an engineer, student, or hobbyist, this app lets you look up, compare, and contribute material data - all in one place. Key Features: Quick Material Lookup Search for any material and instantly view its properties, chemical formula, and more. Our database combines community submissions with moderated values for a comprehensive resource. Compare Properties Easily compare specific properties across different materials. Whether you're analyzing boiling points, electrical conductivities, or other characteristics, Constants.Info helps you find the data you need. Contribute to the Community Submit new property values and help expand the database. Your contributions make Constants.Info a valuable resource for everyone. Moderated for Quality Submissions are reviewed on a best-effort basis to maintain data quality. While we strive for accuracy, we encourage users to verify critical information independently. Ideal for Professionals and Enthusiasts: Perfect for engineers, researchers, students, and anyone interested in material science.