I learnt that overall app numbers don’t tell the full story of a redesign. MAU and payment conversion give me the bigger picture, but they don’t tell me whether users can find a feature more easily or make a payment with less effort. For the Payment screen, I’d want to understand which features people actually use, how easily they can start a payment, and where they get stuck.

Next time, I’d work with product managers and engineers to agree on what success looks like before designing. That means recording how the existing flow performs and setting up the right tracking before launch, so we have a meaningful comparison afterwards. I’d also pair the numbers with usability testing and user feedback to understand the reasons behind them and use those findings to decide what to improve next.