Kotlin Compiler Plugin Cuts Android Startup Time by 30% in Expo SDK 56
Expo SDK 56 ships with a custom Kotlin compiler plugin that eliminates reflection from Expo Modules on Android. The result: 70% faster module initiali…
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From Idea to App Store Screenshots Without a Designer
You built the app. It works. Then you open App Store Connect and it asks for screenshots, and you realize the thing standing between you and "submit" …
Lesson 1.3 - GraphQL for Screen Complexity and App Changes
Good morning, class! Welcome back. In our last lesson, we explored how GraphQL fundamentally addresses the issues of over-fetching and under-fetching.…
From Idea to App Store Screenshots That Convert — Without a Designer
You finished the app. You wrote the description. Then you hit the part nobody warns you about: the store listing wants screenshots, and not raw phone …
How to Design a Mobile App With AI: The Full Workflow (Start to Finish)
I can design and build a real mobile app in an afternoon now. Not a toy. Something I'd actually put on the store. The part that changed was design. I'…
Building an On-Device Training Strategy for Personalized iOS Apps
Machine learning on mobile devices is often associated with inference: download a model, run predictions, and return results. But what if the model co…
Implementing Reliable Background Uploads with Resume & Backoff
Designing uploads that survive reboots, crashes, and flaky networks Choosing the right resumable protocol: chunked, multipart, or tus Scheduling uploa…
Expo's MCP Server is Now Free - Connect Your AI Assistant to Expo Projects
The Expo MCP Server dropped its paywall. Anyone with an Expo account can now hook up their AI coding assistant to Expo docs and tools. Previously, you…
Xcode 27: The Future of Agent-Driven Development is Here
For the first time, Apple is bringing production-grade AI agents directly into the IDE. This isn't just code completion on steroids. Xcode 27 integrat…
Write Swift and Kotlin directly in your React Native app with Expo SDK 56
Working with native code in React Native usually involves creating separate packages and manually maintaining TypeScript interfaces. Expo SDK 56 chang…
Breaking the Monolith: Achieving True Scalability in Flutter Mobile Applications
For modern software and product teams, speed is no longer just about reckless sprinting; it is about building a hyper-efficient feedback loop that tra…
OpenAPI, ORM, SVG and Lottie
This is the third follow-up to Friday's release post . Saturday's was about how you iterate; yesterday's was about new platform APIs in the core; toda…
AI, OAuth, And Other Platform APIs In The Core
This is the second follow-up to Friday's release post . It covers the platform APIs that moved into the framework core this release. There are two hea…
I wasted 6 weeks on Google Play's closed testing. Here's what finally worked.
I need to vent. And maybe save someone else from the same nightmare. The backstory I'm a solo Android dev. I've been working on my app for about 4 mon…
I abandoned my campus app 3 years ago. The Finish-Up-A-Thon made me fix it
This is a submission for the GitHub Finish-Up-A-Thon Challenge What I Built CampusBeat 2.0 — a React Native campus super-app for students across 17 co…
Stop fighting Figma for App Store screenshots — I built a tool that exports the whole set in one click
If you've ever shipped a mobile app, you know the part nobody warns you about: the store screenshots . You finish the app, you're ready to submit, and…
Accessible Forms in React Native: A Complete Reference Guide
Forms are everywhere in mobile apps - authentication flows, data entry, support requests, onboarding... If your app has a login screen, a form is like…
Submitting to App Store and Play Store as a solo developer - what actually happened
I submitted Termique to the App Store and Play Store three days ago. It's live now. Here's what the process actually looked like, because most guides …
Why Mobile Push Notifications Don't Arrive: 3 Critical Reasons
Mobile Push Notifications: Mysterious Disappearances and Technical Realities Mobile push notifications are one of the fastest and most effective ways …
How to Build a Reward Economy for a Mobile Game
Rewards are the language mobile games use to talk to players. Every coin drop, every chest, every daily login bonus is the game saying: "You did somet…
How WhatsApp Works Without Internet: Offline Messaging and Synchronization Explained
Imagine you're traveling on a flight with airplane mode enabled. You type a message to your friend: "Hey, I just landed. Will call you soon." You tap …
Building a Native QR/Barcode Scanner for React Native — New Architecture Ready
Most QR scanner libraries for React Native share the same problems — they're unmaintained, they don't support the New Architecture, or they pull in a …
I Built 4 Real Mobile Apps With No Coding Background — Here's the Exact Workflow
I quit learning to code three times. Not because I wasn't motivated. I had app ideas I genuinely wanted to build. I bought courses, watched tutorials,…
Building Renal Traveller: Making Dialysis Travel Safer and Simpler
How I Built Renal Traveller: Helping Dialysis Patients Travel Safely Travel is something most people can plan with ease. But for dialysis patients, it…
I kept forgetting what subscriptions I was paying for, so I built something about it
I was looking at my bank statement one day and realised I was paying for 4 things I completely forgot about. Combined it was around 40 euros a month j…
Our first app is finally live on the Play Store after 4 months of hard work
Hey everyone 👋 After 4 months of development, testing, redesigns, debugging, deployment issues, and lots of learning — we finally launched our first a…
State Management in Production Flutter Apps: What Actually Held Up at Scale
State management rarely feels urgent on week one of a Flutter project. Screens come together fast. setState works. Provider or Riverpod gets wired up …
The Next Big “Cult App” Probably Isn’t Another Social Media Platform
Lately I’ve been thinking a lot about apps like Cal AI, Strava, Duolingo, Letterboxd, GitHub, etc. Not because of their features. But because of somet…
Frontend Engineering Beyond Pixels: The Architecture of Digital Accessibility
From a high-level perspective, frontend engineering functions as the translation layer between raw, machine-readable data and human interaction throug…
I built an AI app store screenshot generator because Figma made me cry — looking for brutal feedback
I'm Rishab. Every time I shipped an iOS app, I'd lose 2 days fighting Figma trying to make App Store screenshots that didn't look amateur. I'm a dev, …