Fluidium vs Yellow Systems
Side-by-side comparison to help you choose the right tool.
Fluidium is my favorite app for creating mesmerizing, touch-based fluid art to relax and design.
Yellow Systems
Yellow Systems delivers custom software solutions that fuel innovation and growth for startups and enterprises alike.
Last updated: February 28, 2026
Visual Comparison
Fluidium

Yellow Systems

Feature Comparison
Fluidium
Real-Time Interactive Fluid Simulation
This is the heart and soul of Fluidium. The fluid physics are astonishingly responsive, creating the immediate and satisfying illusion that you're pushing around pools of viscous, colorful liquid. Each interaction—a tap, a swirl, a drag—sends ripples and currents through the digital medium, with colors blending in real-time. The underlying Metal-powered engine ensures this happens without a hint of lag, making the experience feel magical and directly connected to your movements.
130+ Stunning Preset Experiences
Overwhelmed by the blank canvas? Dive straight into the curated collection of over 130 presets. These aren't just simple color swaps; they are fully realized artistic visions, each with its own unique blend of colors, fluid properties, background effects, and brush behaviors. My personal favorites are the ones that mimic metallic paints or glowing neon inks against dark backgrounds. It’s the fastest way to discover the app's vast creative potential and find a visual style that resonates with you.
Custom Palette & Brush Studio
For the true creatives, Fluidium offers deep customization. You can design your own perfect color palettes from scratch, saving combinations for future sessions. More impressively, you can tweak the brushes themselves, adjusting parameters like viscosity, flow, and blending behavior to create everything from watery watercolors to thick, gooey oil paints. This level of control transforms the app from a toy into a genuine digital art tool.
Auto-Play & Recording Suite
Sometimes you just want to sit back and watch the art create itself. The Auto-Play mode is a perfect digital fireplace, generating endlessly evolving fluid patterns for relaxation or ambient screen decoration. When you do create something spectacular, the built-in recording feature lets you capture high-quality videos or screenshots to share your ephemeral creations with the world, preserving moments of digital beauty that would otherwise vanish.
Yellow Systems
Bespoke Software Development
Yellow Systems specializes in creating tailored software solutions that cater to the specific needs of each client. This bespoke approach allows businesses to implement features and functionalities that directly align with their operational goals and user expectations.
Advanced AI Solutions
With a dedicated team of AI experts, Yellow Systems provides innovative artificial intelligence solutions that empower organizations to harness the full potential of AI technologies. Their focus on machine learning, NLP, and computer vision ensures that clients benefit from cutting-edge advancements in AI.
Comprehensive Quality Assurance
Quality assurance is paramount at Yellow Systems. They offer thorough testing and validation services to ensure that all software solutions are not only functional but also user-friendly and visually appealing. This meticulous approach reduces the risk of errors and enhances user satisfaction.
User Interface/User Experience Design
Yellow Systems prioritizes the user experience by providing exceptional UI/UX design services. Their designers work to create intuitive interfaces that enhance user engagement, ensuring that applications are not only beautiful but also easy to navigate.
Use Cases
Fluidium
Digital Stress Relief & Mindfulness
Forget meditation apps with guided voices. Fluidium is my go-to for a five-minute mental reset. The act of slowly swirling colors, watching them blend and flow in a hypnotic dance, is incredibly calming. There’s no goal, no score, just a peaceful, focus-absorbing activity that pushes out daily clutter. It’s a pocket-sized zen garden for the digital age.
Creative Inspiration & Color Play
Artists, designers, and anyone in a creative rut can use Fluidium as a dynamic inspiration tool. Experimenting with unexpected color combinations and organic patterns in the app can spark ideas for traditional projects. The way colors merge and interact can suggest new palettes or compositional flows that you wouldn't have discovered on a static color wheel.
Live Visual Aid or Background
For educators, presenters, or streamers, Fluidium can serve as a captivating live visual. Its responsive nature makes it great for illustrating concepts of flow, mixing, or physics in an engaging way. Alternatively, running it in Auto-Play mode on a tablet or secondary screen creates a stunning, ever-changing abstract background for videos, meetings, or events.
Pure Aesthetic Enjoyment & Sharing
At its simplest, Fluidium is for the joy of beauty. It turns your expensive iPad or iPhone into a living piece of art. Creating a particularly stunning fluid scene and then recording a slow, cinematic video of it to share on social media is a unique form of expression. It’s about creating and sharing moments of visual poetry.
Yellow Systems
Startup Development
Yellow Systems has a proven track record of helping startups launch successful products. By providing tailored software solutions and continuous support, they enable new companies to scale effectively and attract investment, as evidenced by the $1.6 billion raised by their startup clients.
Corporate Solutions
For established corporations, Yellow Systems delivers custom web applications that streamline operations and improve efficiency. Their solutions help S&P 500 companies maintain competitiveness by integrating advanced technologies into their workflows.
Cybersecurity Enhancement
Through their penetration testing services, Yellow Systems helps organizations protect their software from cyber threats. This proactive approach identifies vulnerabilities before they can be exploited, ensuring the security and integrity of client applications.
Process Optimization
In the discovery phase, Yellow Systems collaborates with clients to uncover the most effective project paths. This initial assessment leads to optimized processes, allowing businesses to maximize resources and achieve project goals more efficiently.
Overview
About Fluidium
Fluidium isn't just another app; it's a portal to pure, mesmerizing digital artistry. As a successor to the legendary Uzu, it takes the concept of interactive particle play and drenches it in stunning, hyper-realistic fluid simulation. This is a premium, tactile experience where your fingers become paintbrushes and your screen transforms into a canvas of swirling, blending, and reacting liquid color. It’s built for anyone with a spark of creativity, a need for a digital zen garden, or simply an appreciation for beautiful software engineering. The core value proposition is breathtakingly simple yet profound: instant, real-time visual gratification. There's no learning curve, no complex tools to master—just you and an endlessly responsive, physics-based liquid that obeys your every touch, creating unique masterpieces that can never be perfectly replicated. Built from the ground up with Apple's Metal framework, it promises and delivers silky-smooth performance, making even the most complex fluid interactions feel effortless on any supported iOS device. This is digital art as a sensory experience.
About Yellow Systems
Yellow Systems stands at the forefront of bespoke software solutions, delivering cutting-edge innovations primarily in artificial intelligence and machine learning development. With a rich portfolio that includes collaborations with YC startups to S&P 500 companies, Yellow Systems tailors its services to meet the unique demands of each client. The company’s focus on driving innovation enables businesses to retain a competitive edge in a fast-paced digital environment. With an impressive record of over 317 completed projects and a 90% client retention rate, Yellow Systems is dedicated to enhancing user engagement through high-quality solutions. Their expertise encompasses web application creation, quality assurance, and user interface/user experience design, empowering organizations to leverage AI effectively and ensuring their growth in a technology-driven landscape.
Frequently Asked Questions
Fluidium FAQ
Is Fluidium free to download or use?
Fluidium is a premium application. It requires a one-time purchase to download from the App Store. There are no subscriptions, no in-app purchases to unlock core features, and no advertisements. You pay once and own the complete, full-featured experience forever, which is a model I deeply appreciate.
What Apple devices are compatible with Fluidium?
Fluidium is built exclusively for the iOS ecosystem using Apple's Metal graphics API. This means it requires a relatively modern device to run smoothly. You'll need an iPhone or iPad running a recent version of iOS/iPadOS. For the optimal, buttery-smooth experience, I recommend using it on devices with newer chips (A12 Bionic and later).
Can I export the art I create in high quality?
Absolutely. Fluidium includes robust export options. You can take high-resolution screenshots of any moment directly within the app. More importantly, you can record real-time video of your sessions, perfect for creating shareable clips for social media like Instagram, TikTok, or YouTube. The videos capture the full, fluid motion of your creation.
How does it compare to the creator's previous app, Uzu?
While Uzu was a groundbreaking interactive particle simulator, Fluidium is its more sophisticated, artistically-focused successor. Think of Uzu as playing with brilliant sparks of light, while Fluidium is about painting with thick, blending liquids. The visual style, tactile feel, and emphasis on color blending in Fluidium are entirely different and represent a significant evolution in the developer's work.
Yellow Systems FAQ
What industries does Yellow Systems serve?
Yellow Systems serves a wide range of industries, including technology startups, corporate enterprises, and various sectors looking for bespoke software solutions. Their expertise spans across AI, web development, and UI/UX design.
How does Yellow Systems ensure project success?
Yellow Systems employs a client-centric approach, focusing on open communication, detailed requirements gathering, and iterative feedback. Their commitment to quality assurance and user experience also significantly contributes to project success.
What is the typical project timeline for Yellow Systems?
The project timeline varies depending on the scope and complexity of the requirements. However, Yellow Systems prides itself on efficient project management, often delivering projects within agreed-upon timeframes while maintaining high quality.
Can Yellow Systems assist with ongoing support after project completion?
Yes, Yellow Systems offers ongoing support and maintenance services to ensure that the software continues to operate smoothly and remains updated with the latest technological advancements. Their long-term client relationships demonstrate their commitment to client success.
