CD Cywinski DigitalWebsites & Apps · Crystal Lake, IL
Websites & apps for local business

Make your business
look unmissable.

I design and build fast, beautiful websites and apps that make local businesses look premium — and turn visitors into booked customers.

10+ yrsbuilding software
Directstart to finish
< 1 dayto every reply
Why work with me

Big-agency quality. A real person behind it.

You don't get passed to a junior or lost in a ticket queue. You get one designer-developer who cares about your business like it's his own.

Designed with heart

I only take work I can be proud of. Every page, screen, and detail is treated like it's going in my own portfolio — because it is.

Built by an engineer

Beautiful is the baseline. Under the hood you get clean, fast, secure code that ranks well, loads instantly, and won't fall apart in six months.

Direct & fast

No account managers, no phone tag. You talk to the person doing the work, decisions happen quickly, and your project actually ships.

What I build

Three kinds of work — all custom, none off the shelf.

I

Websites that win customers

Marketing sites and landing pages that make you look established on the first scroll — and guide visitors straight to a call, a booking, or a form.

Start →
II

Web apps & SaaS platforms

Custom dashboards, booking systems, and full SaaS products built around how your business actually runs — like ChartGone AI and AutoFleetOS.

See work →
III

iPhone apps

Native iOS apps designed around real people, shipped to the App Store with the manuals, privacy notes, and support pages reviewers require.

See apps →
Selected work

Real projects. Real launches.

A few things I've designed and shipped end-to-end.

Live web app ChartGone AI live web app homepage
SaaS · Healthcare operations

ChartGone AI

A live operations platform for mobile clinicians: AI route optimization, dictated visit notes, and automatic charting into their EMR. Plan the day, capture the note, skip the paperwork — HIPAA-compliant throughout.

Web app / SaaSAI routingDictationHIPAA
Live web app AutoFleetOS fleet management platform homepage
SaaS · Fleet management

AutoFleetOS

A heavy-duty fleet OS for trucks and trailers — one VIN-based asset history uniting driver inspections, road repairs, vendor grading, and diesel-shop work orders.

Web app / SaaSSamsara syncMobile PWA
Live site Motion Revive PT website homepage
Healthcare · Live website

Motion Revive PT

A custom website for Danielle Cywinska, DPT — an in-home physical therapy practice serving McHenry County. Built to earn trust fast. 5.0 Google rating.

Responsive webBooking flowLocal SEO

See the full project library

Portrait of Daniel Cywinski

Daniel Cywinski · Founder & sole builder · Crystal Lake, IL

The person behind it

I design like it matters — because to your customers, it does.

"A website isn't decoration. It's the first handshake your business gives — and I want yours to feel like a firm one."

I'm Daniel Cywinski. I've spent over a decade building software, and I started Cywinski Digital to do it the way I always wished agencies would: personally, honestly, and with genuine care for the result.

When you hire me, you're not one of fifty accounts. You get someone who sweats the details, obsesses over load times, and treats your launch like his own.

— Daniel
Let's build something

Ready to look like the best in your business?

Tell me about your project below. I'll reply personally within one business day — no pressure, no sales script.

Used only to reply. No lists, no spam.