Mobile app development company in New York City
Get a mobile app with screens designed for your customers, accounts and data behind them, and help submitting it to the app stores. For your New York City business, we agree what the first release needs to do before building it. With MSH Technologies, you work remotely with a studio in India over video calls, WhatsApp and shared project boards.
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What happens next
- 01Tell us what you need, in the form or on WhatsApp.
- 02Sohail replies within 1 working day (Mon–Sat, IST).
- 03We agree the scope together, then send your quote.
- Projects delivered
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- Years building for the web
- 0+Years building for the web
- Live and in use
- 0%Live and in use
What you get
What’s included in mobile app development
App design
Screens and flows designed for iOS and Android conventions.
Cross-platform build
One React Native codebase for both platforms, with native modules where needed.
Backend & APIs
Accounts, data, notifications and admin tools behind the app.
Push notifications
Timely, targeted notifications that bring people back.
Payments & subscriptions
In-app purchases and subscriptions on both stores.
Store launch
App Store and Google Play listings, submission and release.
Tools we use: React Native, Expo, Swift, Kotlin, Firebase, Node.js.
Choosing
Should you build a cross-platform or native app?
A cross-platform app shares most of its code between iOS and Android. It is a practical fit when your main tasks involve accounts, forms, lists, maps, bookings, payments or content. Sharing code reduces the amount you need to maintain across the platforms, while your screen designs still need to account for how people use each device.
A native app uses Swift for iPhone and Kotlin for Android. It suits products built around deep device features, heavy graphics, complex background work or new platform features at launch. The trade-off is maintaining separate codebases. Flutter is another cross-platform option: it uses Dart and draws its own interface, which suits a heavily branded design when your team is comfortable working in Dart.
A progressive web app is worth considering for a staff tool. It skips store review, but it needs packaging to appear in app stores. On iPhone, it can ask for notification permission only after someone adds it to the Home Screen. Decide how people will find and use the product before choosing that route.
Local
What New York City organisations need from an app
New York City has retail and health care businesses with different repeat-use tasks. A shop can give returning customers a quick way to reorder, use loyalty features and pay with saved details. A clinic needs a booking flow, reminders and a staff view of the day’s schedule.
Finance and fintech businesses in the Financial District may already have customers using a web platform. When those customers return frequently, an app can reuse the same accounts and data. That gives the product a defined starting point: the tasks customers already perform often.
Tourism is another part of New York City’s economy. An organisation offering appointments or booked services needs customers to see and complete a booking on their phone, while staff need the corresponding schedule. The booking and staff flows both belong in the project scope.
Rules
What a United States mobile app project has to handle
For a state or local government app, the applicable accessibility rule requires WCAG 2.1 Level AA. We set up the screen designs and user flows against that requirement and include accessibility in the app’s scope and testing. Identify the organisation and its users at the start, so the required standard is part of the design work before screens are built and submitted for release.
How it runs
How a mobile app project runs with us
India is 10h30m ahead of Eastern time in winter, and 1 hour less during daylight saving time. Put decisions and feedback on the shared board so work can move between conversations.
- 01
Discover
We learn about your business, audience and goals, then agree the scope with you. Bring the main task you want a customer or staff member to complete.
- 02
Design
Put the clickable prototype in front of a few customers or staff and share what they struggle with. Screen changes are cheaper here than after the app is built.
- 03
Build and test
Try development builds on your own phone through TestFlight or Google Play testing tracks. Your feedback comes from using the flows on a real device.
- 04
Prepare submission
If your app has a login, provide a working demo account and keep the backend live. Leave room in your launch plan for fixes and resubmission.
- 05
Release
We handle the store listings, submission and review under your own developer accounts. You retain control of those accounts as the app moves towards release.
Checklist
What to have ready before we talk
A few practical details make the first conversation more useful.
- First releaseWrite the tasks users must complete in the order they will do them.
- Existing systemsList your website, booking system, CRM and payment provider, including API availability and who holds admin access.
- Privacy policyHave a policy that matches the data the app collects; Apple requires a link in the listing and app.
- Developer accountsRegister Apple and Google accounts in your company’s name and start the organisation verification process early.
- Account deletionNote if users will create accounts. Apple requires them to be able to start deleting an account inside the app.
Cost & time
What affects the cost and timeline of app development
The scope determines how much design, integration and testing the work needs.
User roles
Customer, driver and staff roles each need their own screens and permissions, even with a shared backend.
Integrations
A payment gateway, booking system or hardware connection each adds setup, testing and failure handling.
Interface
Custom animation, extra languages and tablet layouts add design and testing across screens.
Existing systems
A documented backend API can reduce work; a new backend and admin panel can be as large a task as the app.
User-generated content
Allowing people to post content adds filtering, reporting, blocking and published contact details.
Avoid
Mistakes to avoid when building an app
Wrapping a website in an app shell
Give people useful app functionality; a repackaged site risks store rejection.
Demanding sign-up too soon
Let people see value first when the app has no significant account-based features.
Asking for notification permission at launch
Ask when the benefit is clear, such as after an order. On Android 13 and later, notifications stay off until allowed.
Adding a tracking SDK without revisiting privacy answers
Update Google Play’s Data safety form to cover data collected by third-party SDKs.
Questions
Asked by businesses in New York City
Page updated 5 November 2026
How much does it cost to develop an app?
There is no fixed price. The biggest drivers include the backend and staff admin panel, along with the level of offline work: showing previously loaded data is smaller than creating and editing records offline and resolving sync conflicts. Ask us for a quote once the scope is agreed.
How do I choose an app development company?
Choose a team that explains what it will build and gives you direct access to the people doing the work. We put you in touch with the designers and developers. Ask how the first release will track screen use, drop-off and crashes, so you can assess the product after launch.
Would you recommend React Native or a native app?
We generally recommend React Native for apps that can share a codebase across iOS and Android. We use native development when the product needs deep device features. In a React Native build, native modules can also be used where needed, so discuss the device features with us before choosing.
Can you build payments and subscriptions into the app?
Yes. We build in-app purchases and subscriptions for both stores. The checkout must distinguish digital content and subscriptions from physical goods or services: Apple and Google have different billing requirements for those categories, and some storefronts or regions permit outside payment options. Tell us what customers will buy.
Will I own the app and its code?
Yes. You own your code, content and domain, with no lock-in. If your website and app need the same customer accounts and data, we can build a shared backend that also serves your admin tools. Bring details of any existing system you want that backend to work with.
What happens after the app launches?
Ongoing support covers bug fixes, operating-system updates and new features. Plan regular maintenance releases: Google Play requires apps and updates to target a recent Android API level. Review retention, task drop-off and crash-free rate as well, so your next changes address how people actually use the app.
Tell us what you need
Sohail, Founder, replies within 1 working day (Mon–Sat, IST). Free and no obligation.
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