Many of us are using Whats app and Instagram on daily basis they mean a lot to us and you might have bored of green and white theme of whats app and white theme of Instagram well now you can customize the themes in both of them very easily .
Introducing the GB mods for Instagram and whats app(not made by me ofc) but they are worth getting you can get them in the link below
GBInsta : https://latestmodapks.com/gb-instagram-apk-download-android/
GBwhatsapp : https://latestmodapks.com/category/gbwhatsapp/
Some screenshots of cool themes :