Purchase a platform source code that independently owns and manages the website.

We want to purchase a platform source code that independently owns and manages the website.

include:
Has a complete website management panel
Have a complete website front end (including UI, effects, landing pages, user panel)
Have an IOS app and an Android app (you can manage the website on your phone) (optional)

Feature Request:
- Have an independent management panel (to manage all website functions and UI) (not dependent on platforms such as WordPress)
- Has a modifiable front end (the UI of the front end can be customized)
- It must have basic login and registration functions, e-commerce functions, subscription functions, user management functions, blog management functions, online chat functions, email marketing functions, payment functions, etc.

Require:
Need to be testable.
All functionality must be fully functional.
All source codes must be from formal, unauthorized, unencrypted, without vulnerabilities or Trojans.

price:
If there is an admin panel and a website front end, 600U
If there is an admin panel and website front end, as well as a mobile version, 1000U
The price is negotiable, depending on the situation.