iSave is described as 'will save or repost ANY videos and photos on Instagram easily and quickly'. There are more than 25 alternatives to iSave for a variety of platforms, including Online / Web-based, Windows, Android, iPhone and Linux. The best alternative is 4K Stogram, which is free. Other great apps like iSave are Instaloader (Free, Open Source), Save From Web (Free), Download Instagram videos (Free) and Free Instagram Downloader (Freemium).
4insta (short for 4ins.top) is the quick stop to download your Instagram online video. Insta doesn't want you to have your insta-videos on your device, but this site will help - just enter instagram post URL and see options.
Instagram photo downloader is an online tool from where you can download any photos and videos from Instagram. It is the simplest and easier method to download any Insta pictures and add on your library.