We design, build and run custom platforms and iPhone and Android apps for businesses that have outgrown off-the-shelf tools. One senior team, a fixed price in writing, and code you own.
Trusted by businesses in the US and beyond
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Platforms and apps we designed, built and launched. Each one is live today, on the web, the App Store or Google Play.
Real estate CRM with live MLS sync, open house QR sign-ins, email campaigns and e-signatures for New York agents.
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Parking finder that predicts which spots are free, navigates drivers there and remembers where they parked.
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Cloud point-of-sale and fiscalization platform with web, iOS, Android and terminal apps that keep working offline.
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Offline-first aviary manager for birds, pairings, eggs, genealogy and finances, with cloud backup.
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Cloud business platform with secure storage, real-time collaboration and workflow automation.
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Everything we build starts as one of these. Prices are starting points, confirmed in writing after a free call, with monthly payments and no interest.
CRMs, client portals, dashboards and SaaS platforms built around how your team works, replacing spreadsheets and tools that do not talk to each other.
Booking, ordering, loyalty and field-team apps for iPhone and Android from one codebase, with the backend, admin panel and app store launch included.
Two things, done properly: software that runs your business and apps your customers use.
CRMs, client portals, dashboards and internal tools built around how your team works, replacing spreadsheets and disconnected apps. Projects start from $4,499, and you own the code.
Custom software development →iOS and Android apps for booking, ordering, loyalty and field teams, usually from one Flutter codebase. App MVPs start from $5,999, with App Store and Google Play launch included.
Mobile app development →Browser-based apps your customers and staff log into, such as quoting tools, booking systems, client portals and admin panels, connected to the tools you already use.
Estimate your web app cost →Work with a software development team you can meet at 437-445 Hamilton Ave in White Plains, with a fixed quote in writing, monthly payments and New York business hours.
Book a free call →A fixed written quote before we start, no hidden fees, and the option to pay in equal monthly installments with no interest.
iOS and Android, usually one Flutter codebase
or about $1,500 a month, no interest
See app packagesPortals, CRMs, dashboards and SaaS on AWS
or about $1,500 a month, no interest
See software packagesA clear scope before any code, weekly demos while we build, and support after launch.
We learn the problem, the users and what success looks like.
You get a written scope and a fixed price before we start.
Short sprints with a working demo every week.
We ship to the web and app stores, then keep it running.
Our office is at 437-445 Hamilton Ave, White Plains, in the heart of Westchester. We work with businesses across New York City, the Hudson Valley, Long Island and Fairfield County, with a local point of contact and meetings in your time zone.
Don’t see yours? We likely still fit. Tell us how your business runs and we will show you what we would build.
Every review on Trustpilot is 5 stars. Independent reviews from real clients.
“I had a really good experience in getting my website built by Webseowiz.”
Straight answers on price, timelines and who owns what. Still unsure? Ask us on a free call.
Browse all 44 questionsMobile apps start from $5,999 for an MVP and $13,999 for a full business app. Custom software starts from $4,499 to automate one key workflow and $10,999 for a business platform such as a client portal. You can pay in one go or in equal monthly payments with no interest, and you get a fixed written quote after a free call. Websites start from $749.
Yes. Most apps are built once in Flutter and launched on both the App Store and Google Play, which saves time and budget. We use native Swift or Kotlin when a feature needs it.
You do. The source code, data, intellectual property and app store accounts all belong to your business, so there is no lock-in.
Most websites launch in 4–8 weeks. Apps and custom software are scoped individually, and you get an agreed timeline before work starts.
Yes. We integrate with Zoho, Stripe, QuickBooks, Gmail, Slack and your own databases through secure APIs, so data moves between systems without manual entry.
WebSeoWiz Tech is a software development company in New York that builds both software and apps. We design and build custom software, web apps and iOS and Android apps for startups and growing businesses. We also set up AI voice assistants and Zoho automation, build websites, and offer GEO, SEO and PPC to help customers find what we build.
A custom software development company designs, builds and supports software made for one business, such as a CRM, client portal, internal tool, web app or mobile app, instead of selling the same off-the-shelf product to everyone. WebSeoWiz Tech also hosts and maintains what it builds.
Yes. WebSeoWiz Tech’s office is at 437-445 Hamilton Ave, White Plains, NY 10601, in Westchester County. Meetings are by appointment, and we also work by video call across New York City, Long Island and the Hudson Valley.
