Fast, Intuitive, and Built to Scale

Top-Notch Mobile Applications, Built for Performance

At QOLOS, we design and develop mobile apps that aren't just beautiful - they're built to perform. Whether you're launching a customer-facing app, an internal operations tool, or a fully integrated extension of your ERP or ecommerce platform, we deliver mobile experiences that are fast, intuitive, and built to scale.

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Bring Your Business to Your Customers' Pockets.

Let’s build a mobile app that actually moves the needle.

Three Ways to Get Started...

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Top-Notch Mobile Applications, Built for Performance

At QOLOS, we design and develop mobile apps that aren't just beautiful—they're built to perform. Whether you're launching a customer-facing app, an internal operations tool, or a fully integrated extension of your ERP or ecommerce platform, we deliver mobile experiences that are fast, intuitive, and built to scale.

What We Build

Customer Apps – Ecommerce, account management, loyalty programs, real-time support, and more.
B2B Tools – Mobile portals for clients, dealers, or field teams that need access to data on the go.
Internal Apps – Custom mobile tools for sales teams, warehouse staff, or operations managers.

Why QOLOS?

Custom-Built for Your Business – Every app is tailored to your needs, not a cookie-cutter template.
Integrated by Design – Seamless connections to ERPs, ecommerce systems, CRMs, and more.
User-Centered UX – We focus on usability, speed, and simplicity to keep users engaged.
Cross-Platform Development – iOS, Android, and hybrid options—built right from the start.

Bring Your Business to Your Customers’ Pockets.
Let’s build a mobile app that actually moves the needle.

Meet the Expert

We build mobile apps that are actually useful—fast, clean, and fully connected to your backend systems. Whether it’s a customer-facing app or something for your internal team, we make sure it does what your business needs it to do, with zero fluff and full integration.

- Chad VanCalster

Contact Chad

QOLOS is everything you need to build your DREAM TEAM!

We hire the best, and that is why we are the best. You won't be disappointed.

The team at QOLOS took the time to understand my business goals and target audience, ensuring that every aspect of the website design and development aligned with my brand's vision. They showcased their creativity and technical proficiency in crafting a visually appealing and user-friendly website that truly represents my business.

Cecile S.Hudson River Foods

These guys are hands down the best out there. From the very beginning the design team hit the ground running and built us multiple options to choose from. The main asset to small business is the support from the tech team. The diligence and attention to detail is a service received that you cannot put a price on. Chad is very knowledgeable and keeps the clients interest in the forefront all of the time. We have been a customer for 5 years and look forward to many years of a continued relationship. Highly Recommend. Thanks again Chad for your leadership and all you and your team do for us.

Dustin StephensonNortex Electric

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Fast, Intuitive, and Built to Scale

Top-Notch Mobile Applications, Built for Performance

Next Steps...

Schedule Meeting

Free Consultation

Receive Estimate

Bring Your Business to Your Customers' Pockets.

Three Ways to Get Started...

Top-Notch Mobile Applications, Built for Performance

What We Build

Why QOLOS?

Meet the Expert

Contact Chad VanCalster

QOLOS is everything you need to build your DREAM TEAM!

We’re interested in talking about your business.

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We’re interested in talking
about your business.