Wget is not available for iPhone but there are a few alternatives with similar functionality. The best iPhone alternative is SiteSucker. If that doesn't work for you, our users have ranked more than 25 alternatives to Wget, but unfortunately only two of them are available for iPhone. If you can't find an alternative you can try to filter for web or SaaS options.
macOS application that automatically downloads websites from the Internet. It does this by asynchronously copying the site's webpages, images, PDFs, style sheets, and other files to your local hard drive, duplicating the site's directory structure.
Offline Pages Pro is probably the world’s most advanced offline browser. Download entire websites with all formatting, documents, video, and client-side interactivity, so you can browse offline — without any Internet connection.