Best Nonprofit App Developers

3 Companies - Rankings updated: April 03, 2026

Every agency on DesignRush meets evaluation criteria around expertise and client feedback to empower informed choices. Some listings include paid partnerships.

Sponsored
United States × Connecticut × Stamford ×

  • Designli

    Helping non-technical founders find peace of mind.

    At Designli, we pair non-technical software founders with full-time, founder-aligned product teams. Software engineers, designers, and product owners who don't just speak code, they speak human. We guide you through every step with clarity, structure, and care.  [... see all Designli reviews ]
    Location
    Stamford, Connecticut
    Number of Employees
    50 - 99
    Average Hourly Rate
    $85/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    14 Projects Listed

    Designli Services

    • Mobile App Development
    • Software Development
    • Web Development
    • Web Design
    • UI/UX Design
    • Software Testing
    • IoT
    • Blockchain
    • AI Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts

    Clients and Projects

    View Full Portfolio
    • Paidback
      App Development Project for Fintech Company Paidback
    • Icueity
      App Development Project for Software & IT Services Company Icueity
    • Cabin Time
      App Development Project Cabin Time
    • AskIris
      Cross-Platform Mobile App Development Project for Health Care Company AskIris
    • Behind the Knife
      Cross-Platform Mobile App Development Project for Health Care Company Behind the Knife
    • True Load Time
      Cross-Platform Mobile App Development Project for Transportation & Logistics Company True Load Time
    View Full Portfolio
    Comprehensive analysis done by DesignRush Agency Experts.

    Designli Reviews & Testimonials

    • Anonymous Founder & CEO at Innershell
      5.0★
      Mobile App Development Review from Anonymous

      Designli delivered a high-quality prototype on a tight timeline. The team was responsive to feedback, met every deadline, stayed within budget, and quickly adapted to requested changes. Their expertise in app design and development was evident throughout the project and left a strong impression.

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    • Anonymous CEO at Monjour
      5.0★
      AI UI/UX Design Review from Anonymous

      Designli produced a complete, functional Figma prototype for our solution. They communicated clearly through virtual meetings and stood out for their strong process, gathering feedback from multiple stakeholders and delivering on schedule. Overall, we were very impressed with their work.

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    • Anonymous CTO at Code Willing
      5.0★
      AI UI/UX Design Review from Anonymous

      Designli delivered Figma wireframes that were both well-crafted and well-received by our team. The designs were clean, intuitive, and elegant, reflecting strong design intuition. Throughout the process, the team stayed organized, communicated clearly via Basecamp, and delivered everything on time.

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    Reviews verified by DesignRush and sourced from the agency's profile
    • Goodwill
    • Earthlink
    • Rotary
    • State of South Carolina
    • Secur.Space
    • Grappos
    • Michelin
    • Accel Entertainment
    • Millennium Parking Garages
    Data sourced from the agency's DesignRush profile
    View Profile
    5.0 5.0 (79)
    4.9 4.9 (84)

  • Digital Silk

    Growing Brands Online

    Digital Silk is an agency focused on Creating Superior Digital Experiences for their clients. They create cutting-edge brand strategies, websites, apps and results-driven marketing campaigns for mid-size to large companies that demand results and best-in-class service.  [... see all Digital Silk reviews ]
    Location
    Stamford, Connecticut
    Number of Employees
    100 - 249
    Average Hourly Rate
    $150/hr
    Portfolios Count
    44 Projects Listed

    Digital Silk Services

    • Web Design
    • eCommerce Development
    • Branding
    • Digital Strategy
    • Digital Marketing
    • WordPress Website Design
    • SEO
    • Mobile App Development
    • Web Development
    • Product Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts

    Clients and Projects

    View Full Portfolio
    • SNP Therapeutics
      Web Design Project for Health Care Company SNP Therapeutics
    • Dognomics
      eCommerce Development Project for Pets Company Dognomics
    • EV Universe
      Web Design Project for eCommerce Company EV Universe
    • Northwestern University
      Web Design Project for Higher Education Company Northwestern University
    • Franchise Business Review
      Web Design Project Franchise Business Review
    • G2 eSports
      eCommerce Development Project for Gaming Company G2 eSports
    View Full Portfolio
    Comprehensive analysis done by DesignRush Agency Experts.

    Digital Silk Reviews & Testimonials

    • Robin Baradarian
      Robin Baradarian Owner/Manager at ExoClinic Spa
      5.0★
      Web Development Review from Robin Baradarian

      As the owner of ExoClinic Spa, and a physician with more than 30 years of experience building medical practices and businesses, I can say unequivocally that working with Digital Silk has been an extraordinary experience and the best I have had with any web development company to date.From the very beginning, their team demonstrated a rare combination of professionalism, strategic intelligence, and genuine partnership. They took the time to truly understand our brand, our medical standards, and our long-term vision. This was not a transactional engagement; it was a collaborative process grounded in respect, insight, and excellence.Digital Silks communication was consistently clear, proactive, and reliable. Every recommendation was thoughtful and data-driven, and every step of the project was handled with precision and care. They seamlessly balanced sophisticated design with the credibility and trust required in a medical and wellness setting something very few firms manage to do well.The final product exceeded my expectations in every way. The website is elegant, intuitive, fast, and perfectly aligned with the level of care and innovation we deliver at ExoClinic Spa. Their attention to detail, project management, and internal coordination were exceptional.After three decades of working with countless vendors across industries, I can confidently say Digital Silk stands above all others. They are not just a web development company they are a true strategic partner. I trust them completely and recommend them without reservation.

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    • Marissa Cossolini, MS, OTR/L, CAS
      Marissa Cossolini, MS, OTR/L, CAS Owner at My Potential Kids
      5.0★
      Web Design Review from Marissa Cossolini, MS, OTR/L, CAS

      We truly cannot say enough great things about our experience with Digital Silk. From start to finish, every member of the team was phenomenal, professional, responsive, and incredibly informative throughout the entire process. Each stage of development was clearly outlined, well organized, and made us feel confident and supported every step of the way.Mariana and Jamie were especially amazing to work with. They took the time to understand our vision and goals, offered thoughtful guidance, and ultimately delivered a website that exceeded our original expectations. Their creativity, attention to detail, and commitment to getting everything just right truly set them apart.The collaboration felt seamless, communication was always clear, and the final product reflects the high level of expertise and care that went into building it. We are beyond thrilled with the end result and highly recommend their team to anyone looking to develop a professional, high-quality website.An outstanding experience from beginning to end! I also see a long time relationship with this team and company for any other future projects and work.

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    • Danil R. Kasimov
      Danil R. Kasimov CEO at Limo Service Miami
      5.0★
      Web Design Review from Danil R. Kasimov

      I'm very satisfied with the work Digital Silk did for my website.Not only they built a modern, professional site that meets todays standards and search engine requirements, but their team was so professional, well organized, easy to work with, and always kept me updated through Zoom meetings, emails, and messages.They provided great suggestions and valuable insights, making the whole process smooth and stress-free. Excellent service from start to finish.Thanks a lot for all your help!

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    Reviews verified by DesignRush and sourced from the agency's profile
    • Sony
    • Microsoft
    • P&G
    • IBM
    • AT&T
    • NYU
    • NFL
    • NASA
    • XEROX
    Data sourced from the agency's DesignRush profile
    View Profile
    4.9 4.9 (34)
    4.8 4.8 (37)

  • SYNERGY Consulting

    Perfect Synthesis Of Team, Process, And Technology!

    SYNERGY provides clients with experience-driven development. What does that mean? It means that at SYNERGY, we place our client experience at the center of everything we do. While launching one of our internal products, we experienced the issues associated with outsourcing, poor discipline, bad communication  [... view SYNERGY Consulting profile ]
    Location
    Stamford, Connecticut
    Number of Employees
    Under 49
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    4 Projects Listed

    SYNERGY Consulting Services

    • Web Design
    • Mobile App Development
    • Web Development
    • Social Media Marketing
    • Digital Marketing
    • Software Development
    • SEO
    • Video Production
    • Cybersecurity
    • AI Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts

    Clients and Projects

    View Full Portfolio
    • Beyondle App
      App Development Project Beyondle App
    • Pulse 24/7 Website & App
      Web Design Project Pulse 24/7 Website & App
    • Boston Platinum Jewelry Website
      Web Design Project Boston Platinum Jewelry Website
    • Sapphire Hair
      Web Design Project Sapphire Hair
    View Full Portfolio
    Comprehensive analysis done by DesignRush Agency Experts.

    SYNERGY Consulting Reviews & Testimonials

    • Kimheat Jacques
      Kimheat Jacques Review from Google
      5.0★

      Kimheat Jacques's Review Sourced from Google

      Needed a quick website built for family restaurant. The team is great to work with, really fast and friendly. They had wonderful ideas and even offered some suggestions! Thank you!

      Show more
    Reviews verified by DesignRush and sourced from the agency's profile
    • Pulse 24/7
    • Uplift App & Website
    • NeedAnything? iOS and Android apps
    • Bellagio Salon and Spa
    • Beyondle App
    • Voila Bebe
    • Sapphire Hair
    Data sourced from the agency's DesignRush profile
    View Profile
    5.0 5.0 (2)

About The Author and Expert Reviewer

Content Specialist

selina@designrush.com

Selina Garcia has authored 500+ articles and edited 50+ published books in economics, law, and history. Her unique blend of experiences allows her to approach content creation from a well-rounded perspective. Currently, Selina applies her expertise to producing insightful articles on IT, software, and applications for DesignRush.

Former Development Director

spotlight@designrush.com

Sergio is a technology leader with over six years of experience managing global teams and delivering projects across fintech, sportstech, and B2B platforms. At DesignRush, he drove product growth and development execution, building tools that speed up processes by 95% and cut costs by 35% while maintaining full uptime.

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