Discover the best mobile app development companies in Illinois ranked by our expert analysts that help you reach and engage new audiences to generate more revenue for your business. Filter them by budget, portfolio, reviews, expertise, team size and more to choose a partner that can develop an application tailored to your specific requirements.

United States × Illinois ×
  • Probey Services

    VerifiedVerified by the DesignRush team for authenticity and credibility.

    World's #1 Rated & Reviewed App, Website & Software Development Company

    Specializing in iOS, Android, and Flutter app development, Probey Services builds custom solutions that grow with businesses. Backed by 12+ years of experience and a team of 320+ specialists, it has delivered 1,800+ projects and served 120+ clients, including Waze and the Cleveland Clinic...

    Location
    Chicago, Illinois
    Number of Employees
    250 - 499
    Average Hourly Rate
    $10/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    94 Projects Listed

    Probey Services Services

    • Mobile App Development
    • Software Development
    • Web Development
    • Web Design
    • WordPress Website Design
    • Digital Marketing
    • Digital Services
    • SEO
    • IT Services
    • AI Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Bartisans
    • Samyakk
    • 30 Days Fitness
    • Isharya
    • The Estate Residences
    • VegenMart
    • Fresh Menu Application
    • PRAO Fashion Jewellery
    • Audentia Space
    • Wings of Change
    Data sourced from the agency's DesignRush profile

    Probey Services Reviews & Testimonials

    • Rajat Sinh
      Rajat Sinh Founder at Aaayan Systems
      5.0

      Web Development Review from Rajat Sinh

      Probey transformed our outdated website into a modern, high-performing platform by understanding our business goals and delivering the right solutions. Since the launch, we have seen significant growth in website traffic, lead conversions, and operational efficiency through their backend integrations. Impressed with their expertise and quality of work, we also trusted Probey with our CRM development project as well. Thank you to the entire Probey Services team for your professionalism and support.

    • Roshan
      Roshan CEO at NanoTherapX
      5.0

      Web Design Review from Roshan

      This is Roshan, CEO at NanoTherapX. Working with Probey Services for our CRM Development. What stood out most was their stability, consistency, reliability, and a smooth implementation. The CRM has streamlined our client management, improved team efficiency, and helped us manage operations more effectively. Since its implementation, we've seen better productivity and consistent business growth. I highly recommend Probey Services UK to any business looking for a reliable technology partner.

    • Tejaswini
      Tejaswini Director at Green Matter Packaging
      5.0

      Mobile App Development Review from Tejaswini

      What stands out most about Probey Services is their discipline-no missed calls, no vague timelines, and no surprises. They built our mobile app with a level of professionalism that made us feel like a priority throughout the project. The delivery was on schedule, the code quality was excellent, and the final product met high standards. Since the app launch, we've seen consistent business growth, and managing customer orders has become much more efficient. I highly recommend Probey Services UK to any business looking for a dependable technology partner.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Calibrate

    VerifiedVerified by the DesignRush team for authenticity and credibility.

    We craft digital experiences that spark joy

    Calibrate designs and builds websites, dashboards, mobile apps, and enterprise tools in a cost effective and scalable manner...

    Location
    Chicago, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $72/hr
    Portfolios Count
    26 Projects Listed

    Calibrate Services

    • Mobile App Development
    • Web Design
    • Web Development
    • UI/UX Design
    • Software Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Pikazo
    • IndependencePlus
    • Leveled
    Data sourced from the agency's DesignRush profile

    Calibrate Reviews & Testimonials

    • Malcolm Gibson
      Malcolm Gibson Director of Product Development at DefendEdge
      4.8

      Web Development Review from Malcolm Gibson

      The business supplied an extraordinary front-end for our cybersecurity web application combining looks with capability. They showed a deep understanding of our market while crafting a user-friendly and straightforward user interface that lines up with our brand name along with security-focused requirements. The Calibrate team was very receptive to comments while recommending cutting-edge style options that improved the users experience. Their focus on detail, sticking to timelines, and dedication to quality made the whole project run smoothly and efficently. We are incredibly pleased with the end product which has actually gotten favorable comments from our customers plus end-users.

    • Sony Tiwari
      Sony Tiwari CEO at RefMasters
      5.0

      Mobile App Development Review from Sony Tiwari

      The whole Team at Calibrate have been great from beginning to end, and we're excited to have a partner as we continue to grow. Three words I would use to describe Calibrate are organized, insightful and collaborative. From the outset the scope of work was clearly defined, but they also showed great flexibility working through changes that arose. Faizan is terrific at running our regular meetings and keeping everyone up to date on progress. The team has a good balance at listening to your ideas but also guiding with their experience and expertise.Our project took longer than anticipated because of issues unearthed during the development, but Kevin and the team worked through it all with us. They went above and beyond to make sure we were satisfied with the final outcome.This is a talented team for sure, but their passion and ability to collaborate effectively is what really sets Calibrate apart.

    • Lorien Yonker
      Lorien Yonker Owner/Designer at Loth Fine Jewelry
      5.0

      eCommerce Development Review from Lorien Yonker

      I partnered with Calibrate to develop a new eCommerce website, expertly integrating it with Shopify. Its guidance on software operation and website maintenance for future collections was invaluable. I valued the agency's patience and helpfulness in teaching me software intricacies and quick adaptability to changing project scopes. What set Calibrate apart was its attentive approach. Calibrate's small team was ideal for addressing my concerns proactively. While some may find it a drawback, I preferred the agency's primarily virtual meeting approach. (Verified via email)

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • ZERO NEGATIVE

    VerifiedVerified by the DesignRush team for authenticity and credibility.

    Boutique studio creating tailored web experiences.

    Reach for the sky. We are Zero Negative. Your sidekick for big ideas. In a nutshell, Zero Negative is a small, boutique full-service design and development studio with a focus on creativity and close collaboration with clients. We make stuff - websites, web apps, interactive experiences, branding, and...

    Location
    Chicago, Illinois
    Number of Employees
    Under 49
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    7 Projects Listed

    ZERO NEGATIVE Services

    • Web Development
    • Web Design
    • WordPress Website Design
    • Branding
    • UI/UX Design
    • Graphic Design
    • Digital Services
    • Mobile App Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Mercedes-Benz
    • United Nations Development Programme
    • KFC
    • Vodafone Foundation
    • GS1
    • Conad
    • Curative Biotech
    Data sourced from the agency's DesignRush profile

    ZERO NEGATIVE Reviews & Testimonials

    • Jaroslav Tyman Jr.
      Jaroslav Tyman Jr. General Manager at Automation IG
      5.0

      Web Development Review from Jaroslav Tyman Jr.

      We contacted Zero Negative about a two stage renewal of our company website with a very aggressive timeline for the first stage. Zero Negative worked and guided us through pulling off the first stage within our timeline while also ensuring that the content and ideas for that stage were readily applicable to the full design. When we got to the full design, they were fully responsible for corralling the various preferences and ideas from our team into a well executed cohesive site. We're now in a good spot and look forward to continuing to work with Zero Negative as our business and needs grow.

    • Susan E. Roberts
      Susan E. Roberts Principal at Roberts Communications
      5.0

      Web Development Review from Susan E. Roberts

      Zero Negative did an exceptional job designing my website, roberts-communications.com. From the start, they understood that this wasn't just about aesthetics it was about positioning, credibility, and clarity for a senior-level communications brand.They translated a complex, high-stakes business into a site that feels polished, modern, and authoritative without being flashy or over designed. The process was collaborative, efficient, and thoughtful, and they were responsive to feedback while also offering smart guidance when it mattered.The final result reflects exactly how I want Roberts Communications to be perceived: strategic, sophisticated, and trusted. I would highly recommend Zero Negative to anyone looking for a design partner who understands brand, not just web building.

    • Anonymous
      Anonymous President at OTEC Manufacturing
      5.0

      Web Development Review from Anonymous

      These guys are the best! We engaged with Zero Negative to develop a comprehensive web-based system for our factory that allows for managing orders, processes, and inventory. This initiative was essential for us to secure a big ticket client. We truly could not have accomplished this without their assistance. They dedicated considerable time to on-boarding and collecting the requisite information, followed by prototyping the software, and ultimately developing it from scratch. Overall, we are very satisfied.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • AI Powered Digital Agency

    You choose 10turtle to build digital confidence, clarity, and conversions partnering with a team that knows your digital presence should work harder. Nothing more, nothing less...

    Location
    Illinois City, Illinois
    Number of Employees
    50 - 99
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    8 Projects Listed

    10turtle Services

    • Logo Design
    • Graphic Design
    • Web Design
    • UI/UX Design
    • Web Development
    • Mobile App Development
    • Creative Services
    • Blockchain
    • Digital Marketing
    • Software Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Amazon
    • Microsoft
    • Nestle
    • Ikea
    • Pearson
    • Pfizer
    • HSBC
    • DHL
    • Casio
    • LinkedIn
    Data sourced from the agency's DesignRush profile

    10turtle Reviews & Testimonials

    • Antonio Philantrope
      Antonio Philantrope CEO at Chokopam
      4.7

      Creative Services Review from Antonio Philantrope

      Jigna was professional, patient, responsive, and highly collaborative throughout our CHOKOPAM branding project. She helped develop brochures, banners, event materials, tablecloth designs, and multiple refinements as our brand continued to evolve. She was always willing to incorporate feedback and work toward the best possible result. Communication was excellent, deadlines were respected, and the final deliverables were provided in print-ready formats. I would gladly work with her again and highly recommend her to anyone looking for a creative designer who is committed to client satisfaction.

    • John McLardy
      John McLardy Owner at ENVIQ Ladies Fashion WLL
      5.0

      Web Development Review from John McLardy

      10turtle overhauled our Ladies Fashion startup website into something extra special. Even when our budget was restricted 10turtle went above and beyond to tailor their services to catch our most important priorities and in the end even delivered a little extra. I can't speak highly enough, thank you and we look forward to retaining your trusted services for other future website developments when our businesses move to the next stage.

    • Danial Sarfraz
      Danial Sarfraz CEO at Ascensify Consulting GmbH
      5.0

      Dashboard Design Review from Danial Sarfraz

      We partnered with this presentation and brand design firm on a recent project and were thoroughly impressed. They combined strategic thinking with great design execution, helping us refine not only our visuals but also our messaging. The team was responsive, collaborative, and attentive to feedback, making the entire process efficient and enjoyable.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Debut Infotech

    VerifiedVerified by the DesignRush team for authenticity and credibility.

    AI-Powered Innovation, Delivered

    Debut Infotech is a leader in advanced technological solutions, specializing in AI, Blockchain, Smart Contracts, IoT, and mobile and web development...

    Location
    Springfield, Illinois
    Number of Employees
    100 - 249
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    17 Projects Listed

    Debut Infotech Services

    • AI Development
    • Web Development
    • Blockchain
    • Mobile App Development
    • Software Development
    • Software Testing
    • Cloud Consulting
    • Business Consulting
    • IT Services
    • Wearables
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Nordic Strong
    • WellPoP
    • Aithentic
    • NDAX
    • PRC Coin
    • P2B
    • Best Western
    • Unique School
    • Integra Ledger
    • Friendspire
    Data sourced from the agency's DesignRush profile

    Debut Infotech Reviews & Testimonials

    • James Carter
      James Carter Review from Google
      5.0

      James Carter's Review Sourced from Google

      Our company aimed to launch a trading platform but struggled with security planning and system performance. Debut Infotech supported us with crypto exchange development services using Node.js, blockchain integration, and secure wallet APIs. Their solution helped us deploy a stable exchange environment with improved transaction handling.

    • Andrew Ethan R.
      Andrew Ethan R. Review from Google
      5.0

      Andrew Ethan R.'s Review Sourced from Google

      Debut Infotech efficiently addressed the performance and scalability challenges in our mobile app. They quickly diagnosed the issues and delivered a stable solution using up-to-date development tools. The project was completed on time with clear communication throughout.

    • Blunt David
      Blunt David Review from Google
      5.0

      Blunt David's Review Sourced from Google

      I had the pleasure of working with Debut Infotech for DeFi development, and I am extremely satisfied with their expertise and service. Their team utilized a comprehensive suite of tools, including smart contract generators, DeFi protocol integrators, and liquidity pool management tools, all of which streamlined the development process. They not only helped us build secure and scalable decentralized finance solutions, but also provided automated yield farming and staking platforms that significantly boosted user engagement. Their focus on security, with built-in auditing tools, gave me confidence throughout the project. I highly recommend Debut Infotech to anyone looking for reliable, efficient, and innovative DeFi development.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Transforming businesses through AI Automation Services.

    CodeAutomation is an Award-Wining AI Development Company based Naperville, IL...

    Location
    Naperville, Illinois
    Number of Employees
    50 - 99
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $10,000 - $25,000

    Codeautomation Services

    • AI Development
    • Web Development
    • Digital Services
    • eCommerce Development
    • Software Testing
    • Mobile App Development
    • Software Development
    • Digital Marketing
    • SEO
    • PPC
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Bubblehouse - E Commerce
    • Vested Finance - Trading
    • Tracely - Location Tracking App
    Data sourced from the agency's DesignRush profile

    Codeautomation Reviews & Testimonials

    • Stuart Davies
      Stuart Davies Chief Executive Officer at ORPC
      5.0

      AI Development Review from Stuart Davies

      Main objective is to integrate Google services (spreadsheet) for lead tracking and develop API integration with Twilio for advanced calling services and monitoring.

    • Lisa Tapert
      Lisa Tapert CEO at Tapert Group, LLC
      5.0

      AI Development Review from Lisa Tapert

      Our service launched, meeting SLAs/KPIs set out by us and our client: uptime, time to process new schedules, ability for tutors to find and book lessons, fill rate of those lessons for tutors.

    • Mark Coffey
      Mark Coffey CEO at Futuredontics
      5.0

      AI Development Review from Mark Coffey

      We were able to get our applications tested and figured out any issues or bugs in the applications to be fixed by our development team. They did a great job in testing all of the parts of the application to make sure all of the basis were covered in terms of Application Testing.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • We Simplify Your Digital World

    Arteon Technology is dedicated to advancing businesses through comprehensive services encompassing app development, UI design, rigorous testing, and efficient project management, thereby harnessing the full spectrum of IT capabilities. Connect with our team of fervent experts at Arteon Technology as we...

    Location
    Naperville, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $80/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    2 Projects Listed

    Arteon Technology Services

    • Branding
    • Print Design
    • UI/UX Design
    • Web Development
    • eCommerce Development
    • SEO
    • Digital Marketing
    • PPC
    • Mobile App Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Xpert Cars
    • Watches International
    • R-petrochem
    Data sourced from the agency's DesignRush profile

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