Hello!! My name is Andres an ASO developer with at least 2 years of experience in the field, having experience in both ASO development and Apple Search Adds. The biggest analytics tool I use for ASO app development is AppTweak.
I am confident that a good ASO and Search Adds campaign for your apps will be able to boost your downloads in no time.
If you want to negotiate the price of the service, do not hesitate to contact me to agree on a price according to your budget.