Mobile Byte Sensei — Journal https://mobilebytesensei.com/journal Mobile Byte Sensei builds apps, games, web platforms, desktop software, AI and custom products to your requirements, with dedicated teams across every platform. en Offline-first is a data model, not a cache https://mobilebytesensei.com/journal/offline-first-is-a-data-model https://mobilebytesensei.com/journal/offline-first-is-a-data-model Wed, 12 Aug 2026 00:00:00 GMT Most "offline support" is a cache with optimistic writes, and it fails the first time two people edit the same record on a train. What actually works is treating the local database as the source of truth — including the part nobody enjoys, which is deciding who wins a conflict and how a human can audit it. Mobile We quantised a model to 31ms and lost almost nothing https://mobilebytesensei.com/journal/quantised-to-31ms https://mobilebytesensei.com/journal/quantised-to-31ms Wed, 29 Jul 2026 00:00:00 GMT What INT8 quantisation actually cost on a production defect-detection model, measured rather than assumed — including the two classes where it did cost something, and why we shipped anyway. AI A performance budget you can actually hold https://mobilebytesensei.com/journal/a-performance-budget-you-can-hold https://mobilebytesensei.com/journal/a-performance-budget-you-can-hold Tue, 14 Jul 2026 00:00:00 GMT Setting the target against a five-year-old mid-range phone instead of the developer laptop, wiring it into CI, and what happens politically when the build fails for being 200ms slow. Engineering Kotlin Multiplatform, two years in https://mobilebytesensei.com/journal/kotlin-multiplatform-two-years-in https://mobilebytesensei.com/journal/kotlin-multiplatform-two-years-in Thu, 02 Jul 2026 00:00:00 GMT Where sharing code paid for itself, where it cost more than two native codebases would have, and the rule we now use to decide before writing anything. Mobile Designing every state, including the ugly ones https://mobilebytesensei.com/journal/designing-every-state https://mobilebytesensei.com/journal/designing-every-state Thu, 18 Jun 2026 00:00:00 GMT Empty, loading, partial, stale, offline, error and permission-denied. The states nobody puts in the Figma file are the ones users hit on their worst day. Design What a paid trial task is actually testing https://mobilebytesensei.com/journal/what-a-paid-trial-tests https://mobilebytesensei.com/journal/what-a-paid-trial-tests Wed, 03 Jun 2026 00:00:00 GMT We changed our hiring exercise three times. Here is what each version measured, what it accidentally selected for, and why we now pay for it. Team