Developing a great mobile application is not as easy as planning for, and developing a website. Both developers and mobile app owners struggle to understand the different aspects of mobile app development and their confusion can range from the type of framework to the type of programming for app development.
Link building is highly popular subject to achieve the aim. Yes, it is still expensive, needs hard work, dedication and passion with full efforts.
Considering all the advantages that SEO has to provide a business, you need to present these advantages and justify the money the customer is paying.