The cost of developing an iOS app with two pages, as described, would depend on several factors like design complexity, development time, and the expertise of the developer or team. Since this app seems relatively simple in terms of functionality, the costs might be on the lower end of the spectrum compared to apps with advanced features.

For a deeper understanding of app development costs and what influences them, you can check this resource: https://www.cleveroad.com/blog/how-much-does-it-cost-to-design-a-mobile-app/. It provides a detailed breakdown of pricing and factors to consider when budgeting for your app.