There is a lot of tool you can use to analyse crypto curves and it can be difficult to make a choice.

Let me give you the one I use. Tradingview.com is a platform that is free, easy to use and online.

With it you can easily see curves details, save a plan, draw on the curve :

Everything is made online, nothing to install. You register and you are free to use it.

If you are not familiar with trading tools, don't worry there is several videos that can help you to begin (This one is made by a close friend):

Trading tools can help you to manage your crypto but you also can use it even without any money. Made a plan and simulate your buy/sell action to see if you are ready to go on the market !