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" …
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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.…
What Does "Code Accuracy" Mean When AI Builds Your App?
When a non-technical founder asks whether an AI app builder produces "accurate" code, they usually mean one thing: does it run without crashing? That …
Phone AI Agent vs AI Agent Phone — Why Word Order Changes Everything (2026)
OpenAI announced an AI agent phone in April 2026. Qualcomm and MediaTek are building the silicon. The target is 300-400 million annual shipments. It s…
The Complete Retrofit Lifecycle in a Real Android App
Most Retrofit tutorials show you isolated code snippets. This article traces the entire lifecycle of a Retrofit call — from app startup to data appear…
How to Fix "Module Could Not Be Found" in React Native & Expo
We’ve all been there. You find an awesome library, you run npx expo install , you import it into your code, and you start your development server. You…
Your CEP Owns Your In-App UI. Here's What That's Costing You.
CleverTap, MoEngage, WebEngage . Three platforms that every serious mobile growth team has either integrated or evaluated. All three are genuinely str…
Can I Replace My Wyze Cam With an Old Android Phone in 2026? What That $29.99 Renewal Is Really Buying
Originally answered on Quora in early June 2026 as a "can I just stop paying Wyze?" question. This is the dev.to canonical at T+7d, expanded with the …
What Small Mobile Game Teams Should Check When Ad Revenue Drops
When ad revenue drops in a mobile game, the first reaction is usually: “Did eCPM drop?” But in practice, eCPM is only one part of the story. For small…
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'…
How to Build One Web App That Works on iOS, Android, and Desktop
I was working on a project a while back where the users had to use the app in three different places. They needed to use it on desktop computers at th…
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…
Your Codename One App, Now A Native Mac App
Codename One has run on the desktop for a long time through the JavaSE target, which is the same engine that powers the simulator. What it did not hav…
Mobile Game Power Optimization: Why 30 FPS vs 60 FPS Can Double Energy Usage (Real Data Breakdown)
Introduction Real-world mobile game power consumption varies significantly across rendering complexity, frame rate, and device workload distribution. …
🚀 Day 0/30: Building a Real Android App for a Client in Public
Today marks the start of a new challenge. For the next 30 days, I'll be building a real Android application for a client and documenting the journey p…
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…
Expo Router v56 Ships SSR and Breaks Free from React Navigation
Expo Router just made its biggest change since launch. Version 56 forks from React Navigation, adds streaming server-side rendering, and gives Android…
WWDC 2026 - Xcode 27 Ships With Apple's Own Agent Skills: What They Are and How to Use Them
At WWDC 2026, Apple did something specific and easy to miss in the flood of Siri AI headlines: Xcode 27 now ships with a set of agent skills that Appl…
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…
Giving an AI Agent Hands on Bluetooth: an MCP Server in Kotlin/Native
Almost every Model Context Protocol (MCP) server you'll find wraps a web API — GitHub, a database, a SaaS tool. They give a language model new informa…
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…
I learned how to build an AI wrapper by shipping a real app
I'm not an AI researcher. I'm a backend developer with 16 years of Laravel and PHP experience who wanted to build something with AI. So I did what mad…