I have tried to build an Instagram Clone app. I did cover the following features.
- UploadImage, post, like, comment,
- Create downloadable url
- Liking a post
- Comment on a post
- Follow another user.
- Unfollow users
- Fetch likes, Comments, picture from database.
- No storyboard
Database: Firestore
Pattern: MVVM.
Language: Swift
Packages: Firebase, JGProgressHD, YPImagePicker, SDWebImage, Find the following links if you are interested in the implemented features.