Purpose-built mobile and web applications for established businesses. Building an app is a significant investment — and it should be. Anyone offering a cheap app solution either doesn't understand what it takes to clear Apple and Google's review, or doesn't understand your business. We do both.
iOS & Android · Architecture through store submission · AI-accelerated, practitioner-led · Replit-native · Founder-led · No packages
We build custom mobile and web applications from the ground up: scoped to your operation, engineered to pass platform review, and built to work the way your business actually runs.
Every SyncDS app starts from your business requirements — your workflows, your users, your growth plan. Nothing off the shelf. Nothing that bends your operation around generic software.
App builds are for established owners who understand the investment and want it done right. If you want a cheap prototype, this isn't the engagement. If you want something that holds up in production, we should talk.
We use AI tools to compress timelines, and custom code and practitioner oversight to handle what AI can't anticipate — the edge cases, the integration failures, the platform rejections that blindside teams who cut corners.
We don't quote without understanding your business first. The Discovery Call is where we establish what the build requires, what it realistically involves, and whether we're the right fit. No canned proposal.
Getting an app into the App Store or onto Google Play isn't a checkbox — it's a gauntlet, and it costs real money to clear it correctly. Apple's review requires full compliance with Human Interface Guidelines, complete QA across supported device sizes and OS versions, and zero tolerance for crashes anywhere in the stack. Google's process moves faster, but both platforms hold your app to strict, ongoing standards once you're in production.
Beyond the build, plan for recurring infrastructure: Apple Developer Program fees, annual maintenance to stay compatible with new iOS and Android versions, backend hosting, and ongoing support. The businesses that get burned aren't the ones who invested too much. They're the ones who went cheap, got a build that couldn't pass review, and had to restart from scratch with someone who knew what they were doing.
Stats sourced from third-party industry research and publicly cited.
AI tools can compress development timelines significantly — and we use them. But the reason most vibe-coded business apps fail isn't that they weren't built fast enough. It's that no one with practitioner-level judgment was in the room when the problems showed up.
Every custom app build generates problems — integration failures, platform-specific behaviour, edge cases that weren't in the spec. AI tools surface solutions, and sometimes those solutions work, and sometimes they compound the issue. The difference is having someone who has shipped real apps, passed real store reviews, and knows which path leads where.
We're not a code shop that executes a brief without judgment. If your initial direction has a technical flaw, a UX problem, or a strategic issue, we'll say so — clearly. We'll bring the research, show you the evidence, and propose a better path. The businesses that get the best results with us want a practitioner, not a yes-man.
App builds are for established business owners who recognize their operation needs a digital layer it doesn't currently have — and who understand what building it correctly requires. If the priority is the cheapest solution available, we're not the right fit.
We establish what you actually need, what the build realistically involves, and whether we're the right fit. No canned presentation.
Platform targets, feature set, integrations, backend infrastructure. A clear picture of what's being built and what it costs. No surprises mid-build.
We build in iterations — AI tools to accelerate, custom code to solve what AI can't. You're involved in the process, not handed a finished product six months later.
Every build goes through real QA before submission. Our submissions are built to pass, not to be patched through rejection cycles.
Support, maintenance, update cadence, and OS compatibility are part of what a proper app relationship looks like. We don't hand over a build and disappear.
Custom-quoted. Practitioner-led. No packages, no shortcuts, no surprises.
Most app agencies optimize for throughput and margin, or lean on AI tools without the depth to handle what goes wrong. The result is the same — delayed launches, store rejections, and a rebuild that costs more than the original. SyncDS is neither.
Jay Hall is the practitioner on your project. When a problem surfaces mid-build, it goes to Jay — not a ticket queue.
Modern, scalable infrastructure — no legacy CMS dependencies, no framework debt. Built to maintain cleanly and extend without drag.
The industry thinks vibe coding replaces practitioner judgment. We've been hired to fix what happens when it does. AI is a tool in our process, not the process.
Every build is scoped to the actual project. Custom-quoted means the scope reflects what your build actually requires.
Based in Winnipeg, working across Canada and any English-speaking country. Local clients also have access to our on-site studio.
Jay has seen what breaks, what performs, and what separates a build that ships from one that stalls in review — from scope through submission.
Five questions. We'll come back with what a custom build would replace and what it would cost to scope.
Jay reviews every submission personally. Expect one reply within one business day, with the next step spelled out.