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

Android 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.

Google Play hosts over 2 million apps.

How is yours going to stand out in New York?

It will not be with average design or constant bugs.

Users are ruthless.

A slow app means an immediate uninstall.

The key advantage of an expert developer is complete mastery of this chaotic environment.

Android means thousands of different screen sizes. Processors that vary wildly.

Building an Android app development project in New York requires extreme rigor.

You have to know Google's rules. Battery constraints. Ever-stricter permissions.

I handle all of that for you.

My goal is for your app to become obvious and essential for your customers in the New York area.

Not just another digital paperweight.

We set a real strategy. We build it cleanly. We launch it successfully.


What is Android development?

Building an app is not just writing lines of code in a basement.

It is a complete lifecycle.

We start with design. We do not draw randomly. We apply Android guidelines so the user in New York feels right at home.

Then comes the code. We connect the app to your servers. We handle offline modes.

But the biggest part of the work comes after. Testing and publishing.

In short, publishing on the Google Play Store has become a real obstacle course.

Google has toughened its rules to clean up its store.

Today, for a new developer account, Google requires you to test the app with 20 different testers for 14 consecutive days.

No testers? No publication.

Then, you have to fill out the tedious data safety form.

Explaining exactly what you do with the user's location, photos, or contacts.

It is a question of trust.

All of this happens in the Google Play Console. It is the dashboard for your application.

I manage all this administrative and technical complexity for you. So your project launches smoothly in New York.

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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 an Android project work?

The worst mistake is coding for 6 months without ever testing anything in real conditions. Here is how we work together to launch your app in New York. First, we define the scope. We cut everything that is useless. We keep the essential. Then, I develop. I deliver test versions to your phone regularly. But the crucial step on Android is publishing on the Google Play Store. It is no longer a magic button. Google now requires 20 different testers to use your app for 14 consecutive days before you can make it public. The most important factor is anticipating this delay. During this phase, we fill out the data safety form. We prove to Google that your app respects privacy. Once approved, we do not launch it to a large all at once. We do what is called a "Staged Rollout". We deploy it to most users in the New York area. We monitor for crashes. If all is well, we move to a large share, then a large share, then a large share. It is the only professional way to launch an app without risking a disaster on launch day.
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A transparent, iterative process with zero surprises. You see the app grow every single week.


Android Case Study

Recently, I helped an e-commerce company that wanted to boost its local sales in New York.

Their website worked fine. But on mobile, it was a disaster.

Most users abandon a journey if loading exceeds 3 seconds.

They needed a native Android app to build loyalty among their customer base in the New York area.

In short, the goal was simple: make buying ultra-fast.

We developed the app in Kotlin.

For checkout, we integrated Google Pay directly and leveraged the NFC chip of Android phones to scan loyalty cards in-store.

That is the real power of a native app. Using the phone's hardware.

During the launch, we were very cautious.

Most users who encounter a bug never report it. They delete the app silently.

So, I set up strict alerts on Crashlytics.

On the very first day in New York, we spotted a checkout bug on a specific version of Android 11.

Immediate fix. Update pushed to the store.

Zero lost sales. The app now generates one-third of the company's total revenue.

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


How much does an Android app cost?

Treat an Android budget as a growth line rather than an expense, because that is how it behaves. Someone online will code something for almost nothing, and it will be slow, insecure and impossible to extend. The useful comparison is not one quote against another, but the cost of building it twice against building it once.

When talking budget for an Android app in New York, you have to change your perspective.

It is not an expense. It is a growth tool.

You can find someone on the internet who will code you something for almost nothing.

Spoiler: it will be a technical disaster. Termites in a house.

The app will be slow on half of your United States customers' phones. Bugs will pile up. You will lose credibility.

In short, redoing a poorly coded app always costs more than doing it right the first time.

With me, you are not buying lines of code. You are buying a solution.


Android Industries

Every domain has its problems. Android often has the appropriate technical answer for your business in New York.

Consumer Startups

You are launching the new social network or dating app of tomorrow. You need volume. With a a large global market share, Android is essential. The key point is managing a massive user base with wildly unequal device performance in the country (United States). The code must be surgically optimized.

Real Estate & Construction

An inventory or construction site tracking app. Often, the internet connection in a concrete building in New York is non-existent. The Android app must store hundreds of HD photos locally without crashing the device, and then sync everything later.

Education & Edtech

To democratize learning, you have to be where the students are. And students mostly have affordable Android smartphones. We build simple interfaces that integrate smooth audio and video, without saturating the limited storage space of these devices.

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