Golf club manufacturers have created online golf iron selectors to help you choose the best irons for your golf game.
The selectors give you a recommendation based on your answers to a range of questions such as:
Titleist Iron Selector https://www.titleist.com.au/golf-clubs/irons-selector
Mizuno Iron Selector https://mizunogolf.com/us/iron-selector/
Callaway Iron Selector https://www.callawaygolf.com/custom-fitting/online-iron-selector/
TaylorMade Iron Selector https://www.taylormadegolf.com/irons-recommender.html?lang=en_US
Read about online golf ball selector tools.