What are the apps i need

IJust finished babypips/ so please what are those apps i need for a smooth trading

This will attract varying responses because you did not explain what you mean by smooth trading.

Like i mean a meaningful trading that will avoid me from doing something that will confuse me alot

I guess you mean a trading app that will help you in your analysis to make informed trades. If that is what you mean the most popular among them is Tradingview platform app. TV limits the free account holders to a maximum of two indicators. There are people who prefer MT5. There is Esignal as well but it is not free.

In my opinion, if you wish to open a demo account MT4 should serve your needs.