How to avoid 101 mistakes in mobile app design

This 60-page mobile design guidebook covers the full journey of building a digital product — from research, naming, and branding (including fonts, colors, logos, and graphics) to UI design, onboarding, login, paywalls, and notifications. It includes practical insights on A/B testing, customer interviews, grey design, design systems, and redesigns, as well as the transition from design to development. Special sections are dedicated to app store design, website design, web funnels, marketing creatives, and SMM visuals — along with reflections on how your design is actually used by real users and how to integrate AI into interfaces.