Apple Platform Developer
If you’ve spent any time building RAG applications, you know the drill. Before your app can do anything useful, you need a pipeline: extract text from PDFs, chunk it, run it through an embedding model, store the vectors somewhere. If you’re lucky, you’ve got a Python environment that isn’t broken. If you’re not, you’re debugging … Read more
The starting question Rob Roy · robroy.online · April 2026 A few weeks ago I asked a simple question: could I take a small language model and teach it about one specific domain? That question led me through a full modern AI engineering stack — retrieval-augmented generation, embedding models, on-device inference, Core ML conversion, Apple … Read more
After nearly four decades in systems administration and DevOps — including stints at IBM and Disney — I’ve managed a lot of infrastructure. Racks of servers, sprawling networks, machines spread across time zones. The tools we used were powerful, expensive, and designed for teams. Then I left enterprise. Now I run a home lab with … Read more
Not every app I build is about solving a technical problem. Sometimes it’s about giving something back. 12and12 is a free iOS app that puts daily recovery readings right on your home screen and lock screen as widgets. No subscriptions, no ads, no catch. I built it because the recovery community has given a lot … Read more
I just submitted SmartFiler to the Mac App Store, and I’m pretty excited about this one. It’s a file organization tool for macOS that I built because every alternative I tried was either too complicated, too aggressive with your files, or just didn’t fit the way I actually work. Here’s what it does. Find Duplicates … Read more
Document everything. Prove anything. For Homeowners When dealing with property damage, theft, vandalism, or disputes, keep all your evidence organized and ready to share. For Developers Track bugs with structured reports — severity, steps to reproduce, expected vs. actual behavior, and environment details.
Timestamp adder iOS app that adds timestamps to Blink security camera videos Blink cameras don’t include timestamps on footage—making videos useless for insurance claims or legal documentation. I got frustrated trying to submit footage to my insurance company, so I built an app to fix it. Home Page Download in app store