What are some alternatives?
When comparing DownloadIG.com and GramSaving.com, you can also consider the following products
GramPhotos.com - View Instagram Full Size Profile Pictures
GramDL.com - Instagram Photo & Video Downloader
PostDownloader.com - Instagram Photo & Video Downloader
4K Stogram - Free Instagram Downloader for macOS, PC and Linux. Search, download or backup Instagram photos shared by any user. Follow your favorite photographers and stay tuned!
GramDownloads.com - Instagram Post Downloader
GramDownloadz.com - Instagram Post Downloader