savings web application

I want a web application that functions like https://cowrywise.com/ or https://www.piggyvest.com/. Basically a web app that can allow user to save money, invest money and take out loans.
The theme i would also like is https://preview.themeforest.net/item/bankio-bank-website-html-template/full_screen_preview/34457056?_ga=2.150796210.583391772.1644576132-1535355841.1593440578