iOS & Android App Developers New York

The most qualified mobile and software developers in Brooklyn, New York

Our team is experienced in the process of building great apps. Our knowledge and skills will help you quickly grow a community of users. That’s why we’re one of the best app developers in New York, Toronto and Montreal.

Read our client’s reviews

“The app looks and feels great. I’m obsessed with it. You guys are the best!”

– Ria Otero, CEO at ely

KINETICOACH The Travel Trainer

★★★★★ a month ago
We came to Guarana with an in-depth, aggressive and challenging app concept. Guarana’s team of developers spent hours on the phone with us helping to refine the idea, clarify objectives, and making professional suggestions to guide our business model. Once development started, we were … Read more

Trisha Stone

★★★★★ 2 weeks ago
Guarana managed all of the technical elements of the design/build of my mobile application, In the Mood. They’re creative, they care, and they build great products. I have come to rely on them to not only build an amazing product but to also offer strategic advice on design and growth.


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We don’t build ordinary apps; we build great ones.
We help New York mobile app startups build the right digital business models, revenue streams, and feature sets and are present to ensure a smooth execution. We’re committed to the success of the apps we build.
No outsourcing to foreign lands; our apps are completed in-house. Period.
We keep a full-time and in-house team of talented iOS and Android developers, quality analysts, designers, and UX/UI specialists. So your project will always be in good – and highly skilled – hands.
5+ years of experience in crafting, developing, and launching apps.
We’ve developed and launched over 70, and we know what it takes to make a successful app. From the initial full consultation to post-launch, we have the expertise you need to grow your New York app business.

Our Portfolio

Take a look at what we’ve done!

Life you Love iOS mobile app
iP6 ITM v2 Splash copie
Splash HTB v2 iP6
android app development toronto

Case Studies

In-depth analysis and complete screen set of some of our newest apps.

ios app design toronto


Let the gods judge you

mobile app development montreal


Customized mindfulness

Mobile app design for Carbon App


Making the world breathe better

What can we do for you

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We build your app’s success model


An app is not simply a stack of code. Apps depend on a solid concept, which needs to be represented clearly and concisely to your future users and potential investors. Our business and development teams collaboratively work on making your app a fully functional digital product.

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Awesome design and user interface


Feature clarity and graphic interface are major factors in making outstanding apps. We’ll create the perfect usability flow and combine it with our experience in mobile app graphic design to build the perfect user experience for your app.



Work with the best tech available


We’ll convert the concept, architecture, and design into an attractive and smooth mobile application. You’ll get weekly updates and can check the app’s progress directly on your phone.



Launch strategy and optimization


And of course we assist with the launch and post-launch of your application. What would an app be without optimization? Let’s go acquire those users!

Let’s talk about your project

We can’t wait to hear from you!


Guaraná Technologies
147 Front St
Brooklyn, NY 11201, USA

+1 (718) 395 4850