A detailed guide is provided for reducing app development costs without compromising on quality, covering various aspects such as estimating app development costs, building an MVP, outsourcing vs. in-house app development, picking the right platforms, proactive and continuous testing, post-release plan and support, and solid planning. The importance of not compromising on app quality is emphasized, with setting aside funds for performance monitoring being crucial to maintaining user engagement and revenue. Various tools and resources are mentioned, including Instabug, which offers mobile-focused stability and performance monitoring.