Video downloader for Instagram android app

We are looking for android app for Instagram download and save Video / Photo / IG Story / Instagram reels and basic video editor.
Do refer this android app https://play.google.com/store/apps/details?id=instagram.video.downloader.story.saver

If exiting source code available then it would be great.
Code should be clean and well written.
We also check quality of app, UI, performance and architecture.

Note:
Only functionality we expecting, we don't want feature like ads and firebase integration.
Please don't use third party paid services in app.