Fillups

Delivering the
next level of service.

Fillups

Services
App Design
UI/UX
User Flows

Industry
Professional Services

CHALLENGE: Fillups set out to modernize the gas station experience by blending fuel, food, and convenience into one seamless mobile platform. The vision was bold: capture the nostalgic feel of a 1950s service station while delivering the speed and functionality today’s users expect. The client needed more than just a sleek interface—they needed a fully thought-out user journey that could guide drivers from dashboard to pump to checkout without friction. We were tasked with designing a brand identity, UI system, and app architecture that brought this vision to life across every screen.

SOLUTION: RocketDog, along with JacobTyler, started with a strategy-first approach—starting with mood boards and wireframes that shaped the look, feel, and flow of the app. We drew from retro Americana for visual inspiration, using chrome accents, red-and-silver tones, and vintage typography to establish a warm, throwback identity rooted in service and trust.

We designed intuitive user flows that prioritized ease-of-use for drivers in motion: large tap targets, simplified menus, and logical sequencing kept things moving. Visually, the UI balances nostalgic design cues with crisp modern layout principles. From location search to food ordering to payment confirmation, the entire experience was engineered for clarity, efficiency, and charm. The result is an app that feels both familiar and fresh—evoking the past while driving toward the future.

Driven by Good Design

Great apps don’t just look good—they work effortlessly. For Fillups, we applied tried-and-true UI/UX principles to create an interface that’s both attractive and functional. High-contrast visuals improve readability in bright outdoor settings, large touch targets cater to drivers on the go, and progress indicators reduce uncertainty throughout transactions. Every pixel was designed with intention, balancing aesthetic appeal with performance. We believe great design is invisible when done right—something Fillups users experience every time they open the app.

Fueled by Nostalgia

To capture the spirit of “the good old days,” our team crafted a series of mood boards that transported the client—and eventually the user—back to the golden era of full-service gas stations. Inspired by 1950s Americana, we curated visuals that blended bold chrome accents, checkered flooring patterns, retro typography, and a red-and-silver palette reminiscent of vintage signage and service uniforms. This nostalgic vibe became the cornerstone of the Fillups brand—striking a unique balance between modern convenience and classic charm. The result is an app experience that feels instantly familiar, friendly, and fun.

Blueprints for the Journey

Before diving into design, we built a complete wireframe set to ensure the user experience was seamless from start to finish. The wireframes mapped out every core interaction—from logging in, to finding a nearby station, to ordering food or fuel, to completing payment—all designed to minimize taps and maximize clarity. By focusing on the journey first, we were able to stress-test logic, refine functionality, and speed up stakeholder alignment. The approved wireframes became our blueprint for both the UI and development teams, accelerating the transition from concept to production.

Drag

From Curbside to Checkout

The Fillups app is built around intuitive, friction-free user journeys. Starting from a personalized dashboard, users can quickly find nearby locations, order fuel, select food items, or manage payments. Each step in the flow is optimized for simplicity—guiding users with clear calls-to-action, visual feedback, and consistent navigation. Whether a user is topping off their tank or redeeming a food offer, the experience feels logical and well-paced. Our team worked closely with stakeholders to ensure these journeys reflected real-world use cases, making sure every screen served a purpose.

Built to Keep You Moving

The Fillups app wasn’t just designed to look great—it was engineered to perform under real-world conditions. From high-contrast screens that stay readable in bright sunlight to large, thumb-friendly buttons that are easy to tap on the go, every detail was crafted with usability in mind. We considered the context of use at every stage—busy drivers, quick stops, and limited attention spans. By blending thoughtful UI decisions with reliable performance, we created an experience that’s fast, intuitive, and genuinely helpful when users need it most.

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