Beginning with selecting the appropriate platform approach—native (Windows/macOS/Linux), cross‑platform tools, and how the app will be distributed. A clearly defined MVP and an early prototype validate workflows, performance requirements, and the overall user experience on real devices.

As the product evolves, reliability, updates, and packaging take center stage. Managing file systems, permissions, offline functionality, and integrations (device APIs, peripherals, enterprise authentication) ensures dependable daily use, while an update system and crash reporting ease ongoing maintenance.