The phrase "aimed mainly for" is correct and usable in written English.
It can be used when describing the primary target audience or purpose of something, such as a product, service, or initiative.
Example: "The new educational program is aimed mainly for high school students who are interested in science and technology."
Alternatives: "targeted primarily at" or "designed chiefly for".
Most will continue to offer some free content (aimed at general consumers) and content you pay for (aimed mainly at niche markets, in particular business users).
Released by book publisher Penguin, this is aimed mainly at schoolchildren preparing for their first phonics screening check, with three space-themed mini-games designed to test their spelling skills.
Vargas' anger was aimed mainly at Trump, who recently called for a wall to be built along the southern border and referred to immigrants as "rapists" and "killers".
Introduced last month, the simple fixed-focus camera carries a suggested price of $49.99 (plus $14.99 for film) and is aimed mainly at family snapshot shooters.
The deal is aimed mainly at renters and is coupled with incentives for landlords to convert vacated properties into something other than permanent homes.
For defense use, the drug is aimed mainly at preventing death from intense radiation in the short term by restoring various kinds of infection-fighting immune system cells.
According to Michael Gunn, the airline's executive vice president for marketing and planning, the ads are aimed mainly at frequent business travelers and airline employees.
The provision was originally aimed mainly at Southern states.
Duncan Cahill, a researcher for the anti-racism advocacy group Hope Not Hate, said the group's antisemitism was " virulent but childish", aimed mainly at gaining attention.
The 20 MW, 5 GHz, LHCD system for ITER aims mainly at controlling the q-profiles in partially (hybrid regime at IP = 12 MA) and fully non-inductive steady-state operation (IP = 9 MA).
The current article aims mainly at determining two calculation expressions for the Nusselt number, one for the pitched blade turbine (PBT) and another for the Rushton turbine (RT).
