Most app ideas die before the first line of code. That's not bad luck, it's a skipped conversation.
The idea is never the hard part
I hear the pitches every month. The taxi queue app, the spaza shop ordering system, the church roster tool. What separates the ones that ship from the ones that fade is a boring question answered early: who uses this, what do they do today instead, and what would actually make them switch. If nobody can answer those, beautiful design won't save the project. That's why we spend real time on this conversation before writing anything. It's the cheapest phase of the whole build and the one that saves the most money.
One codebase, both stores
A few years ago, iPhone and Android meant building the app twice and paying twice. That's mostly solved now. One team ships to both stores from a single codebase, and in South African markets, where Android carries the majority of users, that matters doubly. You can't afford to treat most of your customers as an afterthought. Cross-platform does have limits: lean hard on camera processing or heavy background services and the frameworks will argue with you. For everything else it's the sensible default, and we say so before you commit money to the other choice.
The app is only half the product
The part that decides whether you survive success is the backend. Accounts, payments, push notifications, the API your app phones home to. Build it assuming you'll get popular, because rebuilding it under load is a far less fun way to spend a month. If you're holding a napkin sketch and a budget that needs to be respected, bring both in rough form. We'll tell you straight whether you need an app at all, and plenty of times you don't.
The first conversation is free. If it ends with us talking you out of building something, that's money saved before it was spent.