Success Story
About the Client
Frontier Car Group (FCG) is a Berlin-based startup that develops, launches, and operates marketplaces for pre-owned automotive under the brand OLX CashMyCar. FCG delivers a safe, fair, and fast solution for the underserved used-car selling industry in frontier economies. It is one of the fastest-growing pre-owned automotive startups globally, with a total funding of $569 million to date.
Business Situation
As digital marketplaces become central to the buying and selling of pre-owned vehicles, delivering a seamless and intuitive user experience is critical to driving customer engagement and conversions. OLX CashMyCar faced challenges with its existing mobile application, where usability gaps were impacting user engagement and lead capture.
The app’s forms were unintuitive and complex, making it difficult for sellers to enter complete and accurate car details. As a result, users frequently abandoned the journey midway, before completing key steps such as submitting vehicle information, scheduling inspections, or finalizing the sale, leading to lost leads and reduced conversion rates.
To address these issues, the client required a more intuitive, user-friendly mobile experience that could simplify the car-selling journey for users across varied demographics. The requirements included redesigning form flows to ensure ease of data entry, improving clarity at each step of the process, and minimizing drop-offs during lead capture. The client also needed a solution that enabled seamless collection of first-hand seller information while supporting core actions such as car valuation, inspection scheduling, and sale completion in a streamlined and efficient manner.
Key requirements were:
Redesigning the OLX CashMyCar platform to replace the outdated system that was limiting business growth.
Revamping the application quickly to avoid business disruption while improving lead capture and conversions.
Building a scalable system that supports expansion into new markets without changing the frontend.
Simplifying user journeys and forms to reduce drop-offs and collect complete, accurate seller details.
Developing high-performance native Android and iOS apps for a smooth and reliable mobile experience.
Managing the entire product lifecycle, from ideation and design to development, testing, maintenance, and future upgrades.
Solution
To address the platform’s scalability, usability, and time-to-market challenges, Unthinkable proposed a modern, mobile-first solution built on React Native. The approach was aimed at accelerating delivery timelines while ensuring long-term maintainability and performance. Leveraging strong domain expertise and architectural best practices, Unthinkable focused on building a robust digital application designed to support business growth rather than short-term fixes. The use of reusable UI components and a low-code development approach enabled an estimated 40%–50% reduction in development time without compromising quality.
A scalable marketplace architecture and intuitive user experience were designed to meet the needs of both sellers and buyers. Unthinkable’s proprietary Architecture Framework was applied from the early stages to eliminate technical debt and create a future-ready foundation.
The mobile application, developed for both Android and iOS, allows sellers to list vehicles, receive instant quotes, schedule or reschedule inspections, access free professional evaluations, and complete the entire sales journey digitally. A configurable frontend architecture also enabled rapid expansion into new markets with minimal effort.
Key features:
Reusable Front-End Components
Most front-end components were developed using custom-built, decoupled, reusable, and thoroughly tested code libraries. These stable UI components were designed to be easily plugged into other applications and customized based on project requirements. This modular approach significantly reduced development effort, ensured consistency across screens, and accelerated feature rollouts. By reusing standardized components, Unthinkable minimized redundancy, improved code quality, and enabled faster enhancements while maintaining a high-quality user experience across both Android and iOS platforms.
Automated Quality Assurance & Testing
The mobile applications underwent rigorous automated quality assurance processes to ensure reliability, performance, and usability. Automation reduced repetitive testing efforts by nearly 20%, enabling faster release cycles without sacrificing stability. For User Acceptance Testing (UAT), comprehensive test cases were defined using Jest, ensuring every feature met predefined acceptance criteria. This structured QA approach helped identify issues early, ensured smooth installation and usage, and delivered a consistent experience across devices, reducing post-release defects and maintenance overhead.
Analytics & User Journey Tracking
To gain deeper insights into user behavior, third-party analytics tools such as Google Analytics, Mixpanel, Facebook Analytics, and Exponea were integrated into the platform. Events were dynamically triggered at each stage of the seller journey, enabling accurate tracking of interactions, drop-offs, and conversions. This data-driven approach allowed the OLX CashMyCar team to monitor funnel performance, identify usability gaps, and make informed product decisions that improved engagement, lead quality, and overall conversion rates.
Communication & Notification Integration
Twilio services were integrated to enable automated, real-time communication with users throughout the selling journey. SMS notifications were triggered at critical touchpoints, such as quote generation, inspection scheduling, and free evaluation updates. These timely notifications kept sellers informed and engaged, reduced uncertainty, and minimized missed appointments. By automating communication workflows, the platform improved user trust, enhanced transparency, and ensured a smoother, more reliable experience from initial quote to final sale completion.
The Impact
With multiple UX enhancements implemented in the app, OLX CashMyCar achieved a 47% increase in lead conversion rates. To accelerate the app’s time-to-market, a reusable components approach was adopted.
Various UI components were developed once and reused across different screens, cutting development time by 40%-50%. OLX CashMyCar is now expanding to several cities across India, including Delhi, Mumbai, Hyderabad, Bangalore, Chennai, and Pune.
2M+
Downloads
100,000+
Vehicles Bought & Sold Through The Platform
<45
Mins Required For Entire Documentation For Selling
