This book collects challenges engineers face when building iOS and Android apps at scale, and common ways to tackle these. By scale, we mean having numbers of users in the millions and being built by large engineering teams.
Exploring alternatives to Building Mobile Apps at Scale? Try Getting Real for lean, pragmatic shipping, The Mythical Man-Month for timeless lessons on team scaling, Lickability for real-world iOS craft, and The Product Book for PM fundamentals.