Recently, a client approached us with the idea of developing a mobile application centered around an AI chat assistant Such applications are already prevalent in the market, so our objective was not just to fulfill the request but to imbue it with a unique and memorable essence. During our creative exploration and concept development phase, I encountered an unexpected challenge: the project's budget was significantly reduced. To navigate this challenge without compromising on the uniqueness and quality of the product, I adeptly shifted our development strategy.