Mobile App Development Summerlin
A Summerlin App With a Written Scope
Mobile app development Summerlin founders hire me for starts with a one-page scope: the screens, the tasks each user must finish, the store steps and the launch date, all agreed before the build.
★★★★★ 5-star rated on Google · 14 years · 300+ Las Vegas businesses

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Why Summerlin App Budgets Drift
A cost that kept moving
Most app budgets that go wrong drift the same way. The first quote leaves out the store steps, the login flow and the connections to the systems the business already runs. Each gap arrives as a change request, progress is hard to see, and the vendor disappears once the app is live.
Summerlin makes the scope matter more. It is a master-planned community of about 130,000 people, not a city, with an office corridor and a medical cluster around Town Center. A founder there is often building for customers who already know the name of a practice or a firm, and they expect the app to match it.

Mobile App Development Summerlin NV
What I do in Summerlin
I scope apps in person at a Summerlin office when that helps, with the screens, the store steps and the first release written down before any build starts. Summerlin covers about 22,500 acres and three master associations, so a founder's first users may sit miles apart, and the scope names where they are.
Summerlin Hospital Medical Center is a 485-bed acute care hospital at 657 Town Center Drive. A practice near that corridor that wants intake, booking and reminders on the patient's own phone has to fit how patients book, not how a developer prefers to build. I have not built a phone app for a Summerlin business that I can show.

Summerlin Mobile App Development
Who I work with
Founders of a consumer product, service businesses that want intake and booking on the customer's phone, teams that work in the field, and businesses with a working website that want the same tasks on a phone. Each starts with a different first version, and the scope says which one.

Summerlin App Development Portfolio
Work I built, none of it an app

Website build · Henderson
GIOSTAR: the clinic website, booking and lead tracking
I built and run giostarwellness.com for a regenerative medicine and wellness clinic in Henderson: every service page, online booking, financing and a blog. A website lead is tracked end to end, from the form to a booked consult to an active patient, with no manual steps. I also built its live brand hub, so every page, post and print piece pulls the same colours, type and rules.
See the live sitePortfolio Examples
More of the work

Website build · Las Vegas
WebVegas: a Las Vegas web design brand and its booking funnel
See the live site

Brand mark · Event venue
Desert Inn Oasis: the refined mark and the plan for the new site
Site in build

Brand identity · Pharma
Mili Pharma: the butterfly mark and the lockups
Site in build

Social content system
Quotible: a testimonial-led social series
Content system
Best Mobile App Development Summerlin
What clients wrote on Google
- ★★★★★
After going back and forth on whether to bring in outside help, we ended up working with Justin for some AI consulting on how to structure our operations. He laid out a clear plan, didn't overcomplicate it, and we've been running smoother since. Good fit for a service business. He knows Las Vegas and he knows this stuff.
Kristen S. · Google
- ★★★★★
Justin joined our team a few months before opening to replace a marketing agency that wasn’t performing. He stepped up fast. Within weeks he launched a fully redesigned website with new brand guidelines, built and delivered our marketing plan and AI strategy, and helped implement our system architecture so we could open on time. Since then, he’s made several critical enhancements to the site that helped us generate revenue in our first month. His engagement was supposed to end at opening, but he became such an integral part of our leadership team that we kept him on to help evolve our marketing and tech strategy as we grow. He’s easy to work with, pushes back when it matters, and moves easily between strategy, delivery, and operations depending on what’s needed. If you’re looking for a deeply experienced, knowledgeable, and dedicated marketing, AI, or technology consultant, I highly recommend Justin Harris AI Consulting.
Devin R. · Google
- ★★★★★
Justin has been a true Gem to have as part of our company. His professionalism, immediate attention to branding and extensive details in marketing has made so much improvement on our business. We are forever grateful to have such and amazing marketing asset and cannot thank you enough Justin!
Desi W. · Google
- ★★★★
Justin Harris was very helpful in resolving some issues we had with our Webflow website.
Kristy F. · Google
- ★★★★★
I had the pleasure of working alongside Justin and consistently saw firsthand the level of dedication and professionalism he brings to his work. He was always the first one in the office, setting the tone with his strong work ethic and commitment to excellence. What stood out most was how deeply he cared about every client. He approached each project with thoughtfulness, expertise, and a genuine drive to deliver meaningful results. He combines sharp technical knowledge with a practical, solutions-oriented mindset, which makes him especially effective in the AI space. Any organization looking for thoughtful, reliable, and highly skilled AI consulting support would be in great hands working with him!
Jenevine Y. · Google
- ★★★★★
Hired him to manage our AI systems and it's been pretty smooth. He knew what needed to be done and got it handled without a lot of back and forth. Good experience for our service business.
BC G. · Google
- ★★★★★
I follow Justin on social media and read about his work and his contributions to the AI industry. He really knows how to use the technology in creating a system that allows you to make your business work more efficiently and effectively.
Ana J. · Google
- ★★★★★
Justin was the person I would go to for advice about AI automation for my workload. He knew the subject well and didn't overcomplicate it. For anyone in Las Vegas running a service business and wondering if AI systems are worth looking into, talking to him first is a great move!
Yaneliz M. · Google
- ★★★★★
Working with Justin is always a pleasure. He is professional, trustworthy, and consistently delivers outstanding results. As a longtime Las Vegas local, he has an exceptional knowledge of the territory and truly understands the market. I highly recommend his services to anyone who is serious about growing their business!
k C. · Google
- ★★★★★
From what I've seen, Justin knows the AI automation space better than most people I've come across in Las Vegas. He's the kind of person who actually understands the technical side and can explain it without making you feel lost. Good guy, good reputation.
Afaryn F. · Google
- ★★★★★
I've Known Justin for a while now and he really knows his stuff when it comes to AI consulting. If people in Las Vegas were to ask me for recommendations in this space, he's the best guy for the job, hands down.
Mickey S. · Google
- ★★★★★
After going back and forth on whether to bring in outside help, we reached out to Justin for some AI consulting advice on where our service business could actually use automation. He was straightforward about what made sense and what didn't. Ended up being a useful conversation. Las Vegas has no shortage of people claiming to be experts, and he's one of the few who could back it up.
Vincent M. · Google
- ★★★★★
Known Justin for a few years now and the guy actually knows his stuff when it comes to AI automation. Friends in the Las Vegas service business space keep asking me who to call and I always point them his way.
Chris M. · Google
- ★★★★★
Justin is one of those guys who actually knows what he's talking about and doesn't cut any corners. Will definitely be working with him again.
David S. · Google
- ★★★★★
Justin knows what he's doing highly recommend using his service he will treat you right and give you tremendous value !👍
Gregory J. · Google
- ★★★★★
Known Justin for a many years and the guy actually knows what he's talking about when it comes to AI and automation. Not the type to just throw buzzwords around. Based in Las Vegas and well connected in the space. …
cindy D. · Google
- ★★★★★
Known Justin for a few years now. Guy knows the AI space better than most people I've come across, especially here in Las Vegas where there's no shortage of people claiming to be experts. He actually understands how AI automation works at a practical level, not just the theory. The kind of person who gives you a straight answer with kindness and patience
Katelyn H. · Google
- ★★★★★
Knew Justin before he started building AI systems for businesses, and watching what he's put together is genuinely impressive. He built out an AI automation setup for my website in Las Vegas and it changed how we handle leads completely. The guy actually runs this stuff himself, so he knows what works.
Justin E. · Google
Mobile App Development Services Summerlin
How a build runs
1. Write the scope
The screens, the tasks each user must finish, the permissions, the connections and the launch date on one page.
2. Build the screens
Each task gets a screen path and a test, and you see working screens before the back end is finished.
3. Test on real phones
iPhones and Android phones run every task, from sign-up to the final confirmation, with the phone locked and interrupted.
4. Submit and launch
I prepare the store steps, check the review notes against the app and hand the release plan over before anything is sent.
Mobile App Development 89134
Summerlin ZIP codes I serve
Four ZIP codes are mostly Summerlin: 89134, 89135, 89138 and 89144. Four more overlap it: 89128, 89145, 89148 and 89161.
The community has no ZIP-defined boundary, so these are the places I take a call from. I do not claim an office in any of them.

What a Phone App Includes
Screens, records and store steps
- Step 01
Screens and tasks
Every screen a customer or staff member needs, with the task each one must finish written beside it.
- Step 02
Records and back end
The data that holds bookings, orders or intake records, and who can see each part of it.
- Step 03
Connections
Links to the calendar, payment, email or booking tools the business already uses, each named in the scope.
- Step 04
Store review and release
Privacy answers, login notes and screenshots matched to the app before each submission.
Mobile App Testing Summerlin
Tests on the phones customers carry
A simulator is useful for early work, but it does not show how a button feels under a thumb or how a keyboard covers a form. Each task in the scope runs on real phones, with a line in a shared list for the phone model, the operating system version, the result and the fix.
A failed test stays on the list until it passes. You read that list before a release, so you know what was tested and what was left out.

App Store Review Summerlin
Getting both stores to approve
Both stores review each release, and most rejections are known in advance: a privacy answer that does not match the app, a login a reviewer cannot use, screenshots that show the wrong screens or a permission with no clear reason. Each one is checked before a submission leaves my hands.
The release plan lists the items each store needs, who completes each one and when it is due. Approval is the store's decision, and the plan shows only what I can control before a submission.

Mobile App Cost Summerlin
What moves the price
I quote a fixed price for the written scope, so the number you agree to is the number you pay. A change you ask for later gets its own short line in the scope. These are the things that move it:

- How many screens and user roles the first version has
- Which connections to other systems the app needs
- Whether the app runs on both phone systems or one
- How much of the store work the founder takes on
- Whether a website already holds the data the app will use
Mobile App Scope Summerlin
A written scope before any build
The scope is one page. It lists the screens, the tasks, the permissions, the connections, the store steps and the launch date. If a quote arrives without those items, ask for them before you sign, since the missing items are where most app budgets change.

Free App Scope Check Summerlin
A free look at the idea first
Send a one-paragraph description of the app and the customer it serves. I reply with the first screens I would build, the store steps and what decides the price, whether you hire me or not.

Mobile App Development Company Summerlin
Questions Summerlin founders ask
Summerlin App Development Questions
More questions before you hire me
Web and App Services Near Summerlin
Where to go next
- Step 01
Mobile App Development Las Vegas
The Valley-wide app page, with the scope, the testing and the store steps in full.
- Step 02
Mobile App Development Henderson
The Henderson app page, for founders and businesses in the city.
- Step 03
Mobile App Development North Las Vegas
The North Las Vegas app page, for industrial and neighborhood businesses.
- Step 04
Web Development Summerlin
Custom code for owners who need more than a template, with a plain handover.
- Step 05
Summerlin Area Guide
The Summerlin hub: the community's facts, the services I offer there and its ZIP codes.
- Step 06
Web Design Las Vegas
The flagship page for the full build and every area I serve.
Mobile App Development Las Vegas NV
Every part of the Valley, by ZIP code
Las Vegas
89030 · 89101 · 89102 · 89104 · 89106 · 89107 · 89108 · 89109 · 89110 · 89117 · 89124 · 89128 · 89129 · 89130 · 89131 · 89134 · 89138 · 89143 · 89144 · 89145 · 89146 · 89149 · 89166
Henderson
89002 · 89005 · 89011 · 89012 · 89014 · 89015 · 89044 · 89052 · 89054 · 89074 · 89120 · 89122 · 89123 · 89183
North Las Vegas
89030 · 89031 · 89032 · 89081 · 89084 · 89085 · 89086 · 89101 · 89115 · 89130
Summerlin
89128 · 89134 · 89135 · 89138 · 89144 · 89145 · 89148 · 89161
Spring Valley
89102 · 89103 · 89113 · 89117 · 89118 · 89146 · 89147 · 89148 · 89178
Paradise
89074 · 89102 · 89103 · 89109 · 89118 · 89119 · 89120 · 89121 · 89123 · 89158 · 89169 · 89183
Enterprise
89113 · 89118 · 89119 · 89123 · 89139 · 89141 · 89148 · 89178 · 89179 · 89183
Sunrise Manor
89104 · 89110 · 89115 · 89121 · 89122 · 89142 · 89156
Boulder City
89005 · 89044
Proof, not promises
Case studies I can show you
Owning Page One Las Vegas: A Self-Learning Local SEO System
Local SEO in Las Vegas done as a self-learning system: many small automated hammers that fix onsite drift, build citations, and earn AI-search citations. Built and run on my own site first.
Read the case studyThe Spec-Site Factory: a finished website built before the first sales call
A Las Vegas web design system that builds your finished website from your own public data before the first call, then renders it on demand in under a second. See it, then make it live.
Read the case studyAn AI Front Desk That Answers in Two Languages
A bilingual AI receptionist in Las Vegas that answers the phone and the chat in English and Spanish, books the job, and never leaves a lead on hold. Per-client isolated.
Read the case studyWebsite Services Las Vegas
The rest of what I build
- Summerlin (location hub)
- Mobile App Development
- Website Hosting in Henderson
- Website Hosting in North Las Vegas
- Website Hosting in Summerlin
- Video Editing in Henderson
- Video Editing in North Las Vegas
- Video Editing in Summerlin
- Website Redesign in Henderson
- Website Redesign in North Las Vegas
- Website Redesign in Summerlin
- Facebook Ads in Henderson
Mobile App Summerlin Scope
Send the idea first
Send me a short description of the app and I will reply with the first screens I would build and what decides the price, whether you hire me or not.
