Wooden Business Cards
Throughout the mobile development process, you will probably invite the client to several meetings to discuss the status of the project and to demo the product. Make sure you have something tangible to talk about. If a meeting is just about process, time or budget, then let the project manager handle it. Build momentum when meeting in person, and show your work in progress on real devices!
Of course, you could print out the design or demo the application on a big screen, but the client should be able to feel the progress in their hands, too. Feeling a product grow in your hands is a much more powerful and engaging experience!
Some great tools exist to share designs across devices. We use AppTaster to share mockups, Dropbox to share designs and TestFlight to distribute apps to clients. If we are building a mobile website, then we just host it on the client’s servers internally, which allows them to view the latest version whenever they want.