You can explain your requirement over phone. For better inputs, we suggest to come up with any of these: reference apps, reference websites, features list or rough images of screens.
If qualified, same day delivery is done(For most of them). For custom requirements, appropriate date of delivery is informed. This step is finished quickly over single phone call with our In-house tool.
Based on the custom needs, UI and backend enhancements are made. This step isn't required for most of the mobile apps. It might be required for Apps which needing integration with other systems.
Based on the clients requirement the app is made available in Play store and App store. We give flexibility of using our play store and app store accounts which can save you about 125 USD annually.