Stract.com free and no ads. Some guy built it in his basement. He suggests it may need paid tier or ads in future to support it. It gives results like google did in 2010 era before all the ad nonsense
$10 isn't a high price, but it starts to hurt when you lump it on top of all the other fees and expenses most people have every month. Also that's in US dollars - here in Canada, for example, the price is 50% higher before tax. It adds up fast.
My email is used constantly every day for both personal use and my self-employed business. It costs me $1.50CAD per month.
It just seems like a high price for what you get, considering that running a searx instance costs nothing. There being no way to pay for it anonymously also makes me less willing to pay that much.