What are some alternatives?
When comparing Mass Instagram Video Downloader and DownloadGram, you can also consider the following products
GramPhotoz.com - View & Download Full Size Instagram User Pictures
GramDownloadz.com - Instagram Post 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!
VideoTagz.com - Search Instagram Videos by Hashtag
DownloadIG.com - Instagram Photo & Video Downloader
Insta Dp - With InstaDp you can view instagram profile picture for free in full(original) size and download it right away.