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What Makes Healthcare App Testing Different from Every Other App Category

A patient opens their prescription and sees 500mg instead of 50mg. A lab report displays "Normal" when the value is critically high. A teleconsult dis…

Synchronous TurboModules Are Not Automatically Fast

React Native’s New Architecture gives JavaScript more direct access to native functionality. One important capability is synchronous communication thr…

Versioned Builds Are Back, With Master Builds For Fast Verification

Versioned builds are back. What is Codename One? Codename One is an open-source framework for building native iOS, Android, desktop, and web apps from…

One Tap, Public URL: Building an Android App for Secure Port Forwarding

As developers, we've all been there. You have a web server, API, dashboard, or IoT service running locally, and you need to share it with someone outs…

The 30-40% cross-platform saving, in actual rupees (India, 2026)

Disclosure up front: I work at ZoopCoder, an Indian dev studio. The rupee figures below are the ones we publish on our own pricing page, shown next to…

Unify Web and Mobile Development with OTF's Cross-Platform Components

I've shipped three Buttons to production. The web one lives in your JS bundle. The iOS one is a SwiftUI view. The Android one is a Compose composable.…

Compare Cloud and On-Device AI Costs Without Inventing Energy Numbers

“On-device AI saves battery” and “cloud AI is more efficient” can both sound plausible. Neither is a measurement. The placement decision crosses at le…

Building RandomVerse: A Premium React Native App

Many developers think Expo is only for prototypes or simple apps. I wanted to prove that it can also power a polished, production-quality mobile exper…

How I export 1.2-gigapixel images on an iPhone without running out of memory

Rendering a big image on iOS is one of those things that looks trivial until your app gets killed by the OS mid-export. CGContext , draw, makeImage() …

Building PathFindr: An AI-Powered Campus Navigation App with Expo and Sarvam AI

Navigating a large university campus can be overwhelming, especially for new students, visitors, and even returning students attending classes in unfa…

Commerce And Secrets Without An IAP Tax

Commerce is the easiest feature in this release to misunderstand, so the first sentence has to be blunt: What is Codename One? Codename One is an open…

Test a Pocket AI Device Across Battery, Offline, and Permission Loss

Pocket computers and first-PCB build stories are attracting attention today. For an AI-enabled edge device, a demo while plugged into Wi-Fi proves ver…

A Voice AI Feature Needs a Permission-Loss Test Plan

A voice bot demo usually starts with permission already granted, a quiet room, a stable network, and the app in the foreground. Mobile users get phone…

Motion, Stylus, Trackpads And Foldables In The Core

For a long time, mobile meant a touch screen and a few platform-specific escape hatches. That is no longer enough. A Codename One app can run on phone…

App Market Research: A Data-Driven Guide for Indie Developers

If you're an indie developer deciding what to build next, you don't need a $500/month market research subscription. The data you need is publicly avai…

How I Built an Informational Android App Website for Bangladeshi Users

Android users in Bangladesh often search for information about gaming apps, APK versions, installation steps, device compatibility, and local payment …

Cookies or Bearer Tokens? The Day my Auth Design Decision Broke.

It's been 3 months since I was actively building StashD -- a link-organizing app. NextJs on the frontend, Flask + MongoDB on the backend. Auth was one…

Use Xcode MCP Instead of xcodebuild to Save Disk Space and Time in Agentic iOS Development

TL;DR - When setting up an AI agent for iOS development, the default approach is to have the agent run headless xcodebuild commands. To save disk spac…

CarPlay And Android Auto From One Codename One API

Yesterday's release post was about the bigger business line we will not cross: no royalties on IAP, ads, commerce or app revenue. This post is about o…

I converted an Android app to a webpage

Building a Cross-Platform E-commerce App with Flutter: Architecture, Challenges, and Lessons Learned

When building an e-commerce application today, users expect more than just a catalog of products. They expect instant search, secure payments, real-ti…

Why I Built Buildsdrop: An App Distribution Tool That Doesn't Get in Your Way

If you've ever shipped a mobile app to a client, tester, or QA team, you've probably used Diawi. It's been the default answer to "how do I get this AP…

More Surfaces, Same Deal: Cars, Sensors, Commerce, Video And Builds

Last week's release post was about funding open source without the bait and switch. This week's release tests that idea again, because two of the new …

The React Native Accessibility Bugs Every App Ships With (And How to Fix Them)

The React Native Accessibility Bugs Every App Ships With (And How to Fix Them) I've reviewed a lot of React Native codebases in the last year. Every s…

[Android] Pray First — a prayer app that locks distracting apps until you pray (looking for beta testers)

I’ve been building a Christian prayer app called Pray First, and I’m looking for people to help test it before launch. The idea: instead of scrolling …

Review: iodéOS offers a frictionless de-Googled Android experience

App Ideas That Make Money: What the Data Actually Shows

Everyone wants app ideas that make money. But most lists of "profitable app ideas" are just someone's guesses dressed up as advice. They'll tell you t…

Mobile app performance that lasts

Users judge a mobile app in the first few seconds, and they judge it harshly. A slow launch, stuttering scroll, or a device that runs hot will sink an…

Testing In-App Chat and Customer Support Flows in Delivery Apps

The help button is the most important button in your delivery app that your QA team almost never clicks during regression. Every delivery app has an i…

Wiring Designers Into Your EAS Preview Loop

TL;DR Figma reviews miss everything that's a function of the real device — touch targets, scroll momentum, keyboard behavior, font substitution, dark-…