Utilize the input text as a context reference, choose the right relationship between out there and iOS from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

Obviously, there are far more iOS devices out there in the market today than there are Macs.

Answer: platform