Room-Inspired Local Persistence in Swift: A Production GRDB Architecture
Introduction If you've built Android apps with Room, you already think in a layered persistence model: entities define your schema, DAOs handle querie…
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We built a budgeting app that skips the bank login — here's the trade-off
Most budgeting apps open with the same onboarding step: connect your bank account. For a certain group of people, that's where the process ends — not …
How I Built an iPhone App and Published It on the App Store — With Kiro CLI as My Partner
Note: My English proficiency is limited, so I used GenAI (Kiro CLI) to help translate this post. This is the story of how I went from zero iOS develop…
Bridging RTSP to WebRTC on iOS: Feeding GStreamer Frames into a WebRTC Pipeline
Most WebRTC tutorials on iOS assume your video comes from the device camera. You call RTCCameraVideoCapturer , point it at the front lens, and the fra…
Apple’s On-Device AI: The Quiet Revolution for Edge Computing and Local-First Apps
The story of AI for the last three years has been written in megawatts. Nvidia GPUs stacked in desert data centers . Models with trillion-parameter co…
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…
Is Siri AI? How Apple's Voice Assistant Really Works
Apple finally gave Siri the kind of upgrade people have been asking for, on and off, for years. The new Siri AI is not just better speech recognition …
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…
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…
Expo SDK 54's precompiled XCFrameworks cut our iOS build from 14 min to 4
Our fitness kit's iOS build used to take 14 minutes on CI. After upgrading to Expo SDK 54, it takes 4. That's not a CI optimisation. We didn't add par…
Indie Hacking the App Store: Navigating Apple's Guidelines for Niche Catholic AI Applications
Indie Hacking the App Store: Navigating Apple's Guidelines for Niche Catholic AI Applications The era of building generic software-as-a-service (SaaS)…
I just shipped a meditation feature. Here's exactly where I used AI — and where I didn't.
Yoga Wake Up has had guided meditation for years. But this week we launched something new: Guided Silence — a meditation experience where I use my voi…
Improving Your iOS Development Workflow with AI Skills
AI coding assistants have quickly become part of many developers' daily workflows. Whether it's generating boilerplate code, reviewing pull requests, …
Keep Spaghetti in the Kitchen, Not in Your Swift Code: Mastering SOLID 🍝
Hey iOS Devs! 👋 Don't get me wrong, I love a good plate of Spaghetti Carbonara. But when it comes to iOS development, spaghetti belongs in the kitchen…
Why standard speed tests aren't enough (and why I open-sourced my own iOS network auditor)
If you've ever dealt with real time pipelines, you know the frustration: severe jitter or micro disconnections completely ruin the experience, but sta…
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 found the r/openclaw thread with 27 upvotes where someone gave an agent a real iPhone and now I can’t stop thinking about it
A few days ago I found this r/openclaw post: “I gave my agent my actual iphone..” It had 27 upvotes and 16 comments. That low number is exactly why I …
Building Calendar ToDo: Turning Calendar Events into a Done List with SwiftUI and EventKit
Sometimes I want to look back at my calendar and know not only what I planned, but what I actually did. For example: Did I finish my study session? Di…
Pragmatic Optimization in Mobile App Size: 3 Misconceptions
The Importance of Pragmatic Optimization in Mobile App Size In the world of mobile app development, I often see that app size plays a critical role in…
Building an Open Source One Sec Alternative: Breaking the Shortcuts Infinite Loop Thanks to iOS 26
If you've ever tried to build an iOS app that intercepts another app's launch, a custom launcher, a Screen Time blocker, a digital wellbeing tool, you…
Swift Protocol Magic II: Designing a Reusable Location Tracking System
How to stop rewriting CLLocationManager boilerplate in every screen — and design something your future self will actually thank you for.* If you've sh…
My Journey as a Flutter Developer — Building Real-World Apps with Firebase & GetX
🚀 Hello DEV Community! I am a Flutter developer passionate about building high-performance mobile applications for Android and iOS. Over the past few …
Building an AI-Powered Git Commit & PR Assistant
Every engineer loves writing code(On a good note, I believe 😉). Not every engineer loves writing: commit messages PR descriptions testing notes releas…
Mobile Visual Regression Testing in 2026: Why Vision AI Catches What Script-Based Tools Miss
Your functional tests pass. Your unit tests pass. Your E2E suite is green. And then a user reports that the checkout button is invisible on the Galaxy…
Ruby on Rails to App Store, No Swift Required
I always liked tracking my income and expenses. There was an app called Spendee that I used a lot. I liked it. But it felt too complicated for me, so …
Local Multimodal LLM on iOS with `llama.cpp` (Swift + ObjC++)
I want a real local pipeline: image in, structured JSON out, no cloud dependency. Optimized to run Metal / ANE or whatever apple exposes ? My goal is …
How I rebuilt the Codable migration pattern across 4 iOS apps in 2 hours
I was adding a single new feature to DaysUntil: yearly-recurring events. Twenty lines of product code. But underneath, the data layer needed a pattern…
🔐 SSL Pinning in Mobile Apps: Android & iOS (Practical Guide + Trade-offs) - Part 2
Unlike Android , where libraries like OkHttp abstract much of the complexity, iOS takes a more low-level approach to networking and security. This mea…
Claude Code vs Cursor for solo indie dev: an honest breakdown (I shipped 4 iOS apps to find out)
I'm going to give you the comparison I couldn't find when I was choosing. Most "Claude Code vs Cursor" articles are either vibe-based or benchmarks th…