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Mobile App Development in Chicago

Trusted by Fortune 500’s and Public Companies

App Developers in Chicago

Today’s mobile app market is more crowded than ever – but at Rootstrap, we help you cut through the noise. 


Rootstrap is an international team of mobile app developers, interface designers, UX architects, and product badasses serving the Chicago market with world-class app development services. But we’re more than just a dev shop. 


We go beyond mobile app development to help you build a business in the truest sense of the word, making every design and development decision with an eye towards overarching business goals and ROI. We are dedicated to your growth – and we bring a wealth of knowledge and experience to help make your mobile app the best it can possibly be. 


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Our focus is to derisk your investment and deliver you a product that users will actually engage with. We've developed 250+ products for 500 founders with a combined revenue of 100m+. We battle-test every idea that we work on to make sure it can stand the test of time throughout market shifts and rends.

Chicago Mobile App Development

Mobile app development lies at the core of our business. While we pride ourselves on offering more than just dev chops, mobile app development is still the center of our day-to-day operations, and we pride ourselves on being some of the best in the business. 


Our team boasts more than 60 full-stack engineers working across time zones on three continents, giving us more than enough development muscle for almost any project. Working with Rootstrap means you get a lean, Agile-focused development team to start your project, but you have the freedom to scale development resources as the project demands. We’ll work you at the inception of the project to get things up and running with as few resources as possible, and no matter how fast you grow, you’re taken care of.


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But while we may have the resources of a large development studio, we’re lean at heart. We practice Agile development – a methodology that prioritizes functional programming and fast iteration over comprehensive plans – in everything we do, and that goes double for mobile app development.

Our approach is to build a working product as quickly as possible, get it in front of users, then keep improving the product based on that user research. By taking the app to users in the earliest phases of development, we can be sure we’re creating something that real people actually want to use. Build first, test, and iterate. That’s the approach that has let us launch more than 250+ successful software products.

Of course, if you’re just looking for coding ninjas, we’ve got you covered. Our team is the cream of the crop, and we can code with the best of them in just about any language. No matter the industry, the vertical, or the technology, chances are we already have a project in our portfolio with relevant expertise. Name a language, name technology, name a specialty – here are just a few of the tools of our trade:

  • Ruby on Rails
  • Swift
  • JQuery
  • HTML5 Mobile App Development
  • HTML5 Web App Development
  • iOS & Android Development
  • Augmented Reality
  • Virtual Reality
  • Unity3D & Game Design
  • API Development
  • JQuery
  • CSS3
  • Javascript
  • Sass
  • Compass

We’ve won awards for our dev and design work, and we’re trusted by some of the biggest celebrities, brands, and Fortune 500 companies in the world. Whether you have an idea for a simple, single-function mobile app or this is just the first step to building your empire in Chicago and beyond, we’ll support you through every phase of the process.

You’re on a journey, we’re the life raft

100m

25%

Aggregate Product 

Downloads

Raise money

$45m

Apps Launched

Highest Company Valuation

170+

124

Happy Founders

Mobile App Design in Chicago

If you’re just looking for someone to build you a great app, we’ve got you covered – but what really sets us apart is mobile app design. 


At Rootstrap, we bring a unique fusion of expertise in mobile development, app design, and business strategy. We are an incubator in a box – and we’ve created a one-of-a-kind approach to mobile app design in our Roadmapping workshop. 


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Roadmapping by Rootstrap is a distinctive pre-development product workshop that focuses on answering the big questions before spending the big money on development. In Roadmapping, our mission is to make sure an app is worth building before we build it. Roadmapping helps you define your concept, validate your idea in the marketplace, and understand exactly what you need to build to satisfy users. We answer the big questions of who will use the app, why they need it, and how the app provides key benefits to users. Then, we create a clickable prototype and a prioritized backlog of features that you can use to wow users and investors alike.

The Roadmapping process takes between two and four weeks, consisting of four key phases:

  • Define: First things first – we have to understand what we’re building. In the initial phase, we work to completely define your app concept. Not just what it does, but how it helps its users –the key value proposition it provides. Understanding this lets us put the rest of the design and development process in perspective, giving us the power to build strategically and make decisions that meaningfully serve users.
  • Sketch: In the next phase, we explore all the different ways we could build your app. Sketching is about leaving no stone unturned: we want to explore every structure, every framework, and every business model that would satisfy the needs of users and deliver on the key value proposition. Nothing is too crazy. To find the most effective, efficient model for your app, we have to see how big the world is and understand all the ways we could go about the mobile app design process.
  • Prototype: With our sketches in hand, it’s time to choose the optimal model for your app and start making it real. After deciding on an overall architecture, we’ll create a detailed, clickable prototype complete with high-fidelity branding and design. The point here is to render the vision in full color. While the prototype won’t have functional code, it will be a clickable model with accurate screen flows that anyone can explore and be amazed by – and that means potential users and investors alike.
  • Refine & Prep: After building out the prototype, we’re ready to set everything in place for development. In the final stage, we’ll create a detailed product backlog: essentially a comprehensive feature list that you can bring to any Agile development shop in the world. We’ll then prioritize that backlog – a process called grooming – so you know exactly what you need to build to get a functional v1.0 of your app, as well as what’s most important for subsequent builds. This process is vital for maximizing the return on your development investment. In fact, we’ve slashed dev budgets in half after just a single session of backlog grooming – and that’s money you can reinvest in acquiring users and growing your business.

iOS, Android, Rails - You name it, we support it.

How we help

Help you flesh out your ideas and strategies

Full Stack Development

Design Thinking

We help clients with ideation, customer validation, launch plans, and beyond.

Strategy beyond the CMD line

The Best Mobile App Developers in Chicago

We serve the Chicago app market, but our team is global. We have more than 60 full-stack engineers working on three continents, which means that working with Rootstrap gives you the flexibility of a distributed, Agile team alongside the muscle of an enterprise-ready dev shop.


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And when we say enterprise-ready, we mean it. Our team has developed apps for the likes of Tony Robbins, Snoop Dogg, and Epson, and we bring that expertise to every project we work on. We’re happy to run lean in the early days of the project, but we also have the resources to hit the gas when the time comes. Starting your app development project with Rootstrap means you get a partner you can trust for the lifetime of your business.

To us, full-service means more than just knowing a lot of languages. We go beyond just technical chops: our team features UX architects, user interface designers, user testing ninjas, business strategy pros, product development badasses, and real artists that are all dedicated to seeing your project succeed. We’re equally happy to execute on your vision as we are to help you form one – and we have the capability to help you craft the technical architecture, the business model, or the go-to-market strategy all the same. When we say we make apps, we mean we make app-based businesses, and it’s our multi-specialty team that lets us do that.

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Case studies from previous clients

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Rootstrap Success Stories

Mobile App Development for iOS in Chicago

Android mobile apps may get less fanfare than iOS – especially in Chicago – but there’s still a lot to be said for mobile app development for Android. 


Chief among the benefits is flexibility. The Google Play store lets us publish updates and changes to apps – as well as the apps themselves – in a matter of hours, instead of days. This means we can collect user data and act on it in real time, massively speeding up the iterative development process. For early stage startups looking to improve their product on a budget, this is a major advantage. 


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We’ve also found that user acquisition is much cheaper and more cost-effective on Android than iOS. This means that if you’re just launching your app for the first time and need to build a brand, the process is less capital intensive with Android. This means you can build initial traction on Android, then launch on iOS after you’ve built momentum.

Mobile App Development for Android in Chicago

Android mobile apps may get less fanfare than iOS – especially in Chicago – but there’s still a lot to be said for mobile app development for Android. 


Chief among the benefits is flexibility. The Google Play store lets us publish updates and changes to apps – as well as the apps themselves – in a matter of hours, instead of days. This means we can collect user data and act on it in real time, massively speeding up the iterative development process. For early stage startups looking to improve their product on a budget, this is a major advantage.


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We’ve also found that user acquisition is much cheaper and more cost-effective on Android than iOS. This means that if you’re just launching your app for the first time and need to build a brand, the process is less capital intensive with Android. This means you can build initial traction on Android, then launch on iOS after you’ve built momentum.

Work With Chicago App Developers Today

Of course, how you choose to develop and launch your mobile app ultimately depends on your core user, key value proposition, and overall business strategy – and thankfully, Rootstrap can help with those elements just as well as we can develop your app.


If you’re ready to turn your idea into both a gorgeous app and a thriving business, we’re ready to help you do it. We’ve helped everyone from Fortune 100 companies to no-name kids out of Idaho create products that touch millions of users and generate real business returns – and after 250+ successful launches, we have a system that works.


Let us help you take the Windy City – and then the world – by storm. Reach out and tell us a little about what you’ve got in mind.


Let’s make something great together. 


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