This app is best for fibonacci trading this will help to trade you in the market. fibonacci is specific level where trade the market relax. you can use it for best results. This is easy but you should be careful when you trading with fibonacci.
There is different types of Level In it and people use it Accordingly its still up to you what level suits you well. Starting point is around 100 level and finish point is 0 level. In between there is more level like 61.8, 50, 38.2 and 23.6 market always reacts on these level if you draw it correctly. These are really powerful and mostly try to find the best level for trade the market. You can use it in any types of markets like Forex, Stock, Futures and commodities etc.
Mostly traders use Fibonnaci only when they are predicting Harmonic and chart patterns In my suggestion you must need to know some other things to trade well.