Custom Websites & E-commerce
Independent websites and online stores built to turn visitors into customers.
Explore the service
Accepting new projects — Fall 2026
We build websites, apps & social stores that grow U.S. businesses
Prophosor is a done-for-you digital product studio. You get a custom website, app or social commerce experience — designed, built and launched by one expert team, without the chaos of managing freelancers.
50+ projects delivered
4.9/5 client rating
3 yrs in business
+38%
avg. conversion lift
for launched stores
for launched stores
Built for businesses selling across America
E-commerce brands
Local services
SaaS startups
Creators
Cross-border sellers
What we do
Everything you need to launch — fully handled for you
Three core services, each delivered end to end by the same team. Not a self-service builder: we do the work, you run your business.
Web & Mobile App Development
Custom iOS, Android and web apps designed around your users and business goals.
Explore the serviceSocial Commerce Apps
Mini applications that let customers buy inside WeChat, TikTok and other super-apps.
Explore the service0
Projects delivered
0
Launches on time
0/5
Average client rating
0
Years in business
Why Prophosor
A development partner that thinks like a U.S. business
One team, end to end
Strategy, design, development and launch under one roof — no ticketing systems, no coordinating three freelancers, no finger-pointing.
Plain-English communication
Clear updates in English, U.S. business hours, and meetings that respect your time. You will always speak with someone who understands your market.
Built to be found & fast
SEO structure, analytics and Core Web Vitals are part of every build — a beautiful site is worthless if customers can't find it or won't wait for it.
You're never locked in
Your domain, accounts and code are in your name from day one. If you ever outgrow us, everything moves with you — no hostage situations.
How it works
A clear process, no surprises
Fixed scope, fixed timeline, written milestones. You always know what happens next.
01
Discover
We learn your customers, goals and must-haves, then send a fixed-price proposal you can approve in writing.
02
Design
Wireframes and a clickable design — you see and approve the experience before any code is written.
03
Build
Weekly demos as we develop, integrate and test your site or app on real devices.
04
Launch & grow
We launch, train your team and monitor results — with an optional monthly improvement plan.
Selected demo builds
Things we've built, not just promised
Rcrirth
A live e-commerce storefront for the Rcrirth handbag label: product catalog, promo hero carousel and checkout-ready shopping flow — designed, built, hosted and launched end to end by our team.
Storefront Demo
A self-initiated demo storefront showing how we build fast, conversion-focused e-commerce on a modern headless stack.
Mobile Shop Demo
A cross-platform shopping app demo covering the full retail journey from onboarding to order tracking — one codebase, Android and iOS.
Engagement options
Choose the level that fits your stage
Every project is quoted at a fixed price after we understand your needs. These are the typical scopes clients start with.
Starter
New businesses that need a professional online presence — fast.
- Custom mobile-first design (3–5 pages)
- Contact or booking forms
- Easy content management
- Basic on-page SEO & analytics
- 2 revision rounds
- E-commerce & payments
- Custom apps
Growth
Established businesses ready to sell and scale online.
- Everything in Starter, up to 25 pages
- E-commerce, payments & shipping
- Blog, email & CRM integration
- Advanced SEO & conversion tracking
- 3 revision rounds
- Custom mobile apps
Enterprise
Complex products, custom software and multi-channel builds.
- Everything in Growth
- Custom web & mobile apps
- Social commerce apps
- API & internal systems integration
- Dedicated project manager
- Monthly strategy & ongoing care
How we work
What you can expect from day one
FAQ
Questions before you reach out
Marketing sites typically start in the low thousands, e-commerce stores in the mid thousands, and custom apps in the five figures. Answer the 2-minute quote questionnaire and you will receive a realistic fixed price before any call.
Brochure sites usually take 2–4 weeks, e-commerce stores 4–8 weeks, and custom apps 8–16 weeks depending on scope. Every proposal includes a written launch date.
Yes — 100%. Domains, hosting, app store accounts and custom code are all created in your company name and transferred fully on final payment.
Absolutely. We frequently rebuild underperforming sites and apps, preserving your SEO where possible and migrating content safely.
Our studio is based in Shanghai, China, and yes — we serve clients across all 50 states. Our process is built for remote collaboration with screen-share demos and regular written updates.
Just your business goals and any existing brand assets. If you do not have copy or images, we can help produce or source them as part of the project.
Yes. An optional monthly care plan covers updates, monitoring, bug fixes and a set amount of feature work — cancellable anytime.
Projects are typically 50% to begin and 50% on launch, with milestone options for larger builds. Monthly care plans are billed in advance.
Ready to launch something your customers will love?
Tell us about your project in two minutes. No obligation, no jargon — just a fixed-price proposal within one business day.