Best iOS & Android App Developers New York

If you’re looking for the best mobile app developer in NYC, take a look at our portfolio and contact us about your project.

idea validation and consultation
We don’t build ordinary apps; we build great ones.

We help 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.

in-house canadian mobile app developers
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.

mobile app launch and growth
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 app.

Case Studies

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

Yama app voting system


Let the gods judge you

mobile app development montreal


Customized mindfulness

Mobile app design for Carbon App


Making the world breathe better

Read our client’s reviews

“Guarana instills confidence. It felt like they were always standing on firm ground ready to give me what I was looking to include in the app. They always surprised me by what new features could be added.”

– Carlos Carrilho, Co-Founder at Dropcicle

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 … 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.

What can we do for you

mobile app idea validation and consultation


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.

user interface and design UX/UI


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.

iOS native mobile app development


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.

mobile app launch and growth


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

Top App Developers in Canada

Guarana was recently named a Top Application Development Agency in Canada for 2018 by and CrowdReviews.

Guarana Technologies develops best-of-class mobile apps for smartphones, tablets and wearable devices. We develop your app ideas, make them smart and sexy, code them and launch them. Native iOS and Android app development.


4446 Saint Laurent, Suite 1000
Montreal, QC, H2W 1Z5, Canada


250 University Ave, Suite 200
Toronto, ON, M5H 3E5, Canada

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