Software built around how your team actually works, so you stop paying for features you'll never use.
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A Lancaster County fence company used to measure fences and write quotes by hand. Now a custom app measures the footage straight from the map and turns it into a quote in seconds.
A medical advocacy program kept its member records in Microsoft Lists and could not search across them. A custom web dashboard now lets staff type a condition, medication or provider and see every related record at once.
Rated 5 out of 5
I have found Sammy easy to communicate with. He created a secure product solution, at a reasonable price point, that greatly improved our ability to manage data for a our church-based medical advocacy program.
Private search over thousands of title records, closing packages, and policy documents, with answers in seconds and citations, running on the company's own infrastructure.
A family-run business outgrew Sage 50. A Next.js dashboard and Postgres backend now handle their invoicing, inventory, and reporting, and weekly close time is cut in half.
A Flutter app for a Lancaster County equipment dealer that works fully offline at remote worksites and syncs inventory and service records when it's back on network.
A web app for a 70-member Lancaster County church that replaced a paid subscription with a member directory, event calendar, sermon archive, and announcements, built pro bono.
One web app for a Lancaster County auction house that handles consignment intake, lot cataloging, live clerking, and cashier checkout. Staff onboarded in an afternoon.
A Flutter invoicing app for a tradesman whose phone only allows pre-approved apps. It makes invoices fully offline and syncs customer records back to the shop when on network.
A mobile app for foremen to send photos, documents, and field notes to the office, where files route to the right project folder automatically.
Mobile apps that work offline in the field, and dashboards that pull your spreadsheets and disconnected tools into one place. Built to match how your team works.
Document Q&A over contracts and titles. Chatbots that pull real data from your systems. Pipelines that cut hours of manual work each week.
Custom alternatives to Sage 50 and QuickBooks, for when you're tired of per-seat pricing. Inventory and invoicing built for your exact workflow, with data migration and side-by-side rollout included.
Technical strategy, vendor review, and build-vs-buy decisions for businesses that don't need a full-time CTO. Monthly engagements, straight answers, no jargon.
A free call about your business and the problem you want solved.
Free, in about a week: scope, timeline, and cost.
Most projects are fixed-scope. The build comes with a 30-day warranty.
I'm Sammy Lapp, a solo developer based in New Holland, PA. I build custom software and AI automation for Lancaster County businesses.
I'm self-taught. I started programming at 12, and today my work is full-stack software and applied AI. In 2026 I started this studio myself.
I like to ship. The tools matter less than the result. What you get is software that fits your business and works on day one. I work alone, so the person you talk to is the person who builds it. If that sounds right, let's talk.
Sammy Lapp, New Holland, PA
Yes, whenever the scope is clear enough. Most projects are fixed-scope. You get a written proposal with timeline and cost after the discovery call. For earlier-stage work, I bill hourly or on a weekly retainer until the scope firms up.
You do. You get full ownership of the source code and your data, with no license fees, no vendor lock-in, and no per-seat pricing. I hand over a repo you control and a deployment you can run yourself. If you ever want to move off me, nothing holds you back.
No. Most projects plug into what you already have. If Sage 50 or QuickBooks still earns its keep, it stays. I replace only the piece that costs you more than it saves, and leave the rest alone. Migration is case-by-case, and we decide together what stays and what goes.
Intuit bills for QuickBooks API access per call, so an integration that hammers the API can get expensive. The ones I build batch and minimize syncs, pulling what you need on a sensible schedule instead of on every click. Because you own the integration, you're never locked into paying more just to keep it running.
It depends on the design, and you choose. Self-hosted models keep everything in-house but are slower and less capable. Claude or OpenAI API calls are faster and smarter but send prompts to a vendor. I lay out the trade-offs upfront and default to the private-first option for sensitive workloads.
The initial build comes with a 30-day warranty at no cost. If something I shipped breaks, I fix it. After that, you can choose month-to-month support at a fixed rate or hourly help for fixes and features. No mandatory contract, no lock-in.
Off-the-shelf is the right answer when the problem is generic: accounting, email, CRM for standard sales cycles. Custom wins when your workflow isn't generic, like a niche industry or a family business with its own rhythms. The test is simple. If you pay for a SaaS subscription and still do a pile of manual work to make it fit, custom usually pays back within a year.
Have a project in mind? Tell me what you're trying to solve and I'll get back to you. No obligation, just a conversation.
Thanks for reaching out. I'll get back to you soon.