Mickael Romaniello, the developer who builds the apps Mickael Romaniello 30 minutes, no slides, nothing to prepare.

iOS App Development in New York

12 years of experience. 15+ apps delivered. One single point of contact, from concept to App Store and Google Play publication.

📱 iOS & Android 🚀 12 years experience 🇫🇷 Based in France
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In short: for your New York (8,336,817 residents) project, you work directly with me, not a middleman. 12 years of experience, 15+ apps delivered, and a transparent end-to-end process.

Build your iPhone App in New York to Reach Decision Makers

Look around a meeting room in New York.

What do people put on the table?

iPhones.

If you are targeting professionals, decision-makers, or executives, the Apple ecosystem is essential.

In short, the iPhone is often the default device in the corporate world.

The environment is secure, closed, and controlled.

Building a native iOS app means ensuring your product fits perfectly into the daily lives of these users.

It means using the visual cues they are used to.

If your interface is messy, they will not trust your service.

I help you design and develop an iOS app in New York that radiates professionalism.

An app that responds instantly, without friction, and enhances your brand image.


What is iOS Development? The Obstacle Course

Everyone wants their app on the Apple store.

But publishing an iOS application is a real journey.

The key advantage of this complex process is that it filters out bad apps.

First, there is the creation of the Apple developer account. And here comes the surprise.

If you are a business in New York, you need a DUNS number.

The DUNS is the international ID card of your company.

Getting it can take between 2 and 4 weeks. It is best to know this on day one.

Then, we code. Cleanly. Following the rules.

Next comes the testing phase with TestFlight.

TestFlight is the rehearsal room for your application.

We can invite up to 10,000 testers before the official release.

This is where we hunt down bugs and tweak the experience.

Finally, the final boss: validation by the App Store.

Keep in mind that nearly one submission in four is rejected.

A poorly filled privacy form. A poorly explained paid option. A missing test account.

Apple lets nothing slide.

Validation takes between 24 hours and 7 days.

This is why having an iOS expert in New York is not a luxury.

I know these rules by heart.

My goal is to help you avoid frustrating back-and-forths with Apple reviewers so your app goes live as quickly as possible.

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The key point: the price depends on the technical complexity under the hood, not on the number of pages.

Mickael Romaniello
Mickael Romaniello
Mobile Product Engineer — Cannes, France

I am not just a developer. I am also the guy who will tell you when a feature is a bad idea.

In 12 years of experience, I've seen too many projects fail because of overly complicated apps. My approach from Cannes? We keep it simple. I work with startups and SMBs to build iOS and Android apps that get straight to the point.

I am your product partner. If an idea doesn't serve your users, I will tell you. In short: it's a matter of trust.

12+
years experience
15+
projects delivered
5
industries served
4.8
average rating

Why choose an expert in New York?

The economy in New York is evolving fast. Very fast.

Local businesses can no longer settle for a basic, aging website. Digital transformation is happening everywhere across New York. And mobile devices have become the absolute center of this shift. 🚀

In short: your clients live with their phones in their hands.

It is an unavoidable reality that most global web traffic comes from mobile devices. If your business in New York is not easily accessible on their home screen, it is practically invisible to a massive chunk of your audience.

I help companies build this vital digital presence. Governments across United States are pushing small and medium businesses to adapt to these new consumer habits, and funding digital growth.

The observation is the same everywhere. The residents of New York want to order, book, or find information with a single tap, whether they are on their couch or commuting.

Working with New York

New York clients tend to arrive with the product already decided and a date attached to it. That is workable, but the date is the thing to be honest about first: an App Store review is not something either of us controls, and planning a launch without a week of slack in it is how a good build turns into a bad launch.

Review is the part people underestimate because it is invisible until it bites. Most submissions clear in a day or two, some take a week, and a rejection over something small — a missing privacy declaration, an account you cannot delete from inside the app, a sign-in option that Apple requires alongside yours — sends you back to the end of the queue. None of those are hard to fix. All of them are expensive on the Tuesday before a launch event, which is why I check them weeks earlier rather than at submission.

The six-hour difference is the other structural fact. Your morning is my afternoon, which gives us roughly three hours of genuine overlap every day. That is enough for a daily question and a weekly call, and it is not enough for a project that needs constant conversation. The pattern that works is a written decision log and a build you can install on your own phone every week — you review in your morning, I act on it in mine, and nothing waits a full day for an answer.

One more thing specific to New York: I am often not the only person quoting. Agencies here will present a team, a process and an account manager, and they are not lying about what that buys. What it does not buy is the person writing the code sitting in the conversation where the decision is made. On a first product, where most of the important choices are made in the first six weeks, that proximity is usually worth more than the headcount.


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Why Invent Better?

The work does not stop at publication. An app lives on systems that keep moving: iOS and Android each ship a major release every year, and an unmaintained app is eventually pulled from the stores. Invent Better plans for that in the original quote, rather than presenting it as a surprise six months after launch.

There is a very dangerous myth in the software industry. The belief that the work is completely finished the day your app goes live on the stores.

You push the launch button, the application becomes available in New York, everyone drinks champagne, and the development agency completely vanishes to work on their next client.

That is the absolute worst thing that can happen to your business.

A mobile application is not a painting that you hang on a wall and never touch again. It is a living, breathing organism.

Operating systems update constantly. Apple and Google change their strict security guidelines. Brand new devices with weird screen sizes hit the market every single month. And your users constantly change their habits.


How Does the Creation of your iOS App Work?

Building an app is like building a house in New York.

You do not start painting the walls before laying the foundation.

The key advantage of my method is transparency.

Step 1: Scoping.

We define exactly what the app will do. We list the features. And above all, we anticipate Apple's requirements.

Step 2: The developer account.

This is the time to request your DUNS number if you do not have one. It takes time, so we do it right away.

Step 3: Development in Swift.

I code the application brick by brick.

You do not wait six months in the dark. I give you TestFlight access very quickly.

TestFlight is your VIP access.

You install the work-in-progress app directly on your iPhone in New York. You test, you give feedback.

Step 4: Preparation for App Store Connect.

We prepare the screenshots, the descriptions, and the famous data privacy questionnaire.

Step 5: Submission to Apple.

Apple processes 100,000+ app submissions per week.

Their team of humans will dissect our work.

The review period generally takes from 24 hours to a few days.

Step 6: The launch.

Your application is on the App Store. It is ready to be downloaded.

Zero improvisation.

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A transparent, iterative process with zero surprises. You see the app grow every single week.


Case Study: B2B and the iPad

B2B does not always have to be just web-based.

An industrial company was looking for a solution to equip its sales reps in the field.

They all had iPads provided by the company.

The key point: they needed a robust app capable of working without an internet connection in warehouses.

Forget laggy hybrid web solutions.

We went with a large native iOS development.

Using Core Data allowed us to store the entire product catalog locally on the iPad.

The interface was tailor-made for the large screen, respecting Apple's strict ergonomic standards.

Deployment was done privately, bypassing the public App Store, using Apple's enterprise tools.

But the quality requirement remained the same.

We used TestFlight to have the pilot sales reps validate each step.

The app never crashes, even during massive data synchronizations.

Sales reps save time. The company increases its sales.

If your sales force in New York is equipped with Apple hardware, a native app is the best possible investment.

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In short: we do not build everything. We build what your users actually need.


The Budget for an iPhone App: Avoid Cut-Rate Prices

Quotes for an iPhone app can vary by a factor of three, which mostly tells you they are not describing the same work. A very low price usually means no real Swift expertise and no working knowledge of App Store review. The cost of a rejected submission is not the rebuild — it is the launch date you miss.

You will find quotes ranging from low to triple in New York for an iOS application.

If someone offers you an iPhone app at a ridiculously low price, be careful.

Creating for Apple requires real technical expertise in Swift and a perfect knowledge of the App Store.

In short, you do not just cobble together an iOS application.

Apple processes 100,000+ app submissions per week.

Their teams will not hesitate to block poorly finished or non-compliant apps.

A low-cost developer will ignore these rules to move faster.


iOS in New York: A Platform for Leaders

Certain business models naturally align with the Apple universe.

In short, here is why these sectors prioritize the iPhone.

Premium Travel and Tourism

A clientele traveling with a significant budget often owns an iPhone.

The native iOS interface allows for a smooth booking experience, rich notifications with images, and ultra-precise geolocation.

Apple processes 100,000+ app submissions per week, and smooth travel apps are always highlighted.

B2B Tools and Productivity

The continuity between the Mac, iPad, and iPhone is Apple's great strength.

If you create a productivity tool for businesses in New York, the iOS app is the gateway.

Executives run their companies from their iPhones.

On-Demand Services

Ordering a car, a meal, a cleaning service.

Apple Pay integration reduces payment friction to zero.

The user does not type their credit card. They validate with Face ID, and the service is ordered.


Frequently asked questions

What happens if you are unavailable mid-project?

It is the question nobody asks a freelancer and the one worth asking first. My answer is three concrete things: the code sits in a repository in your name from day one, decisions are written down rather than kept in my head, and the store accounts are yours. Another developer can pick it up without me. That is not a promise, it is an arrangement — and you can check it in the first week.

Who owns the code once the project ships?

You do, entirely, and from the start rather than at the end. The repository is opened in your name, you have access during development, and there is nothing to claim at delivery. The same goes for the designs and the store accounts. The only thing worth discussing is if you want to reuse a component I wrote elsewhere — I say so before using it, not after.

What happens if Apple rejects the app?

We fix it and resubmit, and that is part of the project. A rejection is not a rare accident: Apple checks dozens of points, and the common reasons are predictable — a test account that does not work, a permission requested with no explanation, an advertised feature that is not there yet. I deal with those before submitting, which guarantees nothing but avoids most of it. You never have to handle the exchange with the reviewer.

Can my app disappear from a store overnight?

Yes, and you should know that before building on one. Apple and Google can remove an app that breaks their rules, and they change those rules regularly. Abrupt removals mostly hit apps that collect data without saying so, copy a brand, or have not been updated in a long time. It is also why a web presence stays useful alongside: nobody can take that one away from you.

What becomes of my app if we stop working together?

It keeps running, and you keep everything needed to keep it alive: the code, the accesses, the signing keys, the documentation. I do a written handover rather than a file transfer — what was built, why, and where the traps are. It is half a day of work that saves whoever comes next several weeks of reverse engineering, and I would rather we parted that way.

How do I take an app back from another provider?

Before any quote, there is a list to gather: the code repository, the App Store Connect and Google Play accounts — in your name, not the provider's — the Android signing key, and access to the hosting and database. The signing key is the critical piece: without it, the app can no longer be updated, it has to be republished under a new identifier, and you start again from zero installs.

Where is my users' data hosted?

Wherever you decide, and it is a decision to take early because it is expensive to undo. For most projects a European host is enough and keeps GDPR simple. For health data the hosting has to be certified, which narrows the choice and weighs on the budget — better learned on the first call than on launch day. In every case, the accounts are in your name.

What happens when the app crashes on a user's phone?

I know before you see the review. A crash reporting tool sends the error with the device, the OS version and the exact place in the code — with no personal data. Without it, you discover bugs through store reviews, which is to say too late and in public. It is one of the few things I set up on every project, however small, because it costs almost nothing and changes everything.

Can we roll back if an update goes wrong?

On the code side, yes: every released version is tagged and we can return to the exact state of a delivery. On the store side it is more nuanced — Google lets you halt a rollout, Apple expects a fix to be published. The real protection is upstream: a staged rollout on Android, a real testing phase, and updates small enough that you know what broke.

Does the app keep working if I stop paying for maintenance?

It works, then it degrades slowly, and one day it stops launching. iOS ships a major version every September, Android every year, and each one breaks something. An app left alone for eighteen months usually costs more to bring back than the maintenance would have. You can stop — it is your call and I will not bill you a subscription for nothing — but decide it knowingly.

While you hesitate, your competitors in New York are moving forward.

The mobile world moves fast. Very fast. Today, most global web traffic comes from mobile devices. If you keep pushing back the creation of your app, someone else will happily take your spot in New York.

But be careful, do not confuse speed with haste. Launching an unstable application is the worst possible strategy.

In short: you have to act fast, but above all, you have to do it right. ⏳


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About the author

Mickael Romaniello — Mobile product engineer based in the South of France. 12 years building iOS, Android and desktop apps. 15+ projects delivered for startups, mid-market companies and enterprise clients. LinkedIn.

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Standards & references

Apple Human Interface Guidelines · Google Material Design · web.dev (Google) · MDN Web Docs · OWASP Mobile Top 10