Custom Language Learning App Development Company

SuperMe Watch is a company that produces smartwatches for children, encouraging a healthy lifestyle by tracking activity and nutrition. Yojji created a gated online platform that can be accessed after payment using a unique code. It synchronizes the watch with calendars, tasks, food diaries, and progress indicators. Our client received a web platform that connects a physical gadget with a child-friendly website with simple tracking and motivation mechanisms.

Runway5 is a web and mobile e-commerce platform for buying and selling aircraft. The request was to deliver UX/UI design and full product engineering with marketplace architecture, subscription-based selling, and contact-to-buy process. Our client received a production-ready marketplace with complex user flows: verified sellers list aircraft, and buyers search, compare, and contact sellers through a structured, compliant flow.

Zuzzle is an online learning tool for organized study of foreign languages and academic disciplines. The product helps students prepare for exams. They have tests, exercises, learning data, and planning tools all in one interface. The Yojji team created this e-learning platform as a scalable system that allows users to schedule daily study activities across desktop and mobile devices, track progress by subject, and examine performance trends.

Fortiter is a Web3 NFT marketplace, a membership ecosystem based on NFT ownership. The client needed a platform connected to a wallet where users could view collections, track rarity, and monitor trading activity related to weekly payouts. Our team delivered a functional MVP with wallet integration, a clean interface, stable contract interactions, and real-time market data.

ExpertsNow is a European platform where companies can create vacancies, review pre-selected expert profiles, track every hiring stage, and coordinate interviews. The Yojji team defined the product flow, designed the interface, and developed the web and mobile applications. Our client got a working two-sided system that helps companies manage their hiring pipeline and allows experts to respond to new roles in a few clicks.

Our team designed and developed a custom healthcare booking platform where patients can search doctors, view real-time availability, and book appointments in a few clicks. It’s a unified system that connects multiple medical institutions, handles payments, and synchronizes bookings with each clinic’s CRM. In 7 months, our client got a fully functional web application.

Our project is a web application for managing investments across stocks, crypto, and private equity. The request was to design, develop, and launch the platform with a focus on trading logic, data integration, and user experience. Our client received a fully functional, investor-ready platform with customizable dashboards and precise analytics.

Infinightly is a social event management app for modern event creators and attendees. Over 10 months of collaboration, our Yojji’s team transformed the idea into a full-featured social ecosystem where users can effortlessly explore, organize, and manage every stage of their event journey. It also helps reduce event setup time by over 40%.

The AI-powered Virtual Fitting Room is our solution that lets users mix and match outfits and instantly see how each look fits using an AI model or a personal photo. It helps fashion brands personalize shopping, increase conversions, reduce returns, and provide a confidence-driven user experience without complex integrations.

Jellibeans is a web and mobile platform that converts large volumes of fashion market data into decision-ready insights for brands and suppliers. We built the MVP to aggregate data from verified sources, visualize complex analytics through an intuitive interface, and help teams track trends, compare competitors, and plan collections without working directly with raw data or spreadsheets.

StudyHall is a web and mobile learning platform for structured study and exam preparation. It combines AI assistance, grammar practice, and teacher-led assessments to help students work with complex materials more efficiently. Our client got clear tools for educators to track progress and understanding in one system.

The client needed a rental app that allows users to easily book, unlock, and pay for scooters, e-bikes, and e-motos. In just 5 months, our team delivered a fully functional, scalable urban rental app and admin system. It helps optimize logistics, reduce maintenance costs, and scale their services across different cities.

STB Union, a major FinTech player, partnered with Yojji to evolve from a traditional currency exchange network into a modern financial marketplace. The project aimed to develop a secure, scalable platform for multi-currency wallets, international transfers, and digital card services, using React JS, React Native, and Java to enhance STB Union’s service offerings and strengthen its position in FinTech.

CSI – Creative Software Innovations is a software house devoted to developing solutions for the legal industry. The company stands out as a reliable and financially stable partner, offering advanced and continuously evolving software that helps law firms maximize efficiency and business value.

A matter of design (AMOD) is a web and mobile platform where users can redesign real apartments, manage subscriptions, save ideas, and buy furniture without switching between separate tools. Our task was to design and develop the full product: secure authentication, subscription and payment logic, AI-based room redesign, bookmarking, and e-commerce functionality.

Vala facilitates direct money transfers between businesses, reducing transaction costs and creating new revenue streams. Our team handled the UI design, revamped the application’s admin panel, and built a mobile version from scratch. Ultimately, we were given full autonomy over project design and development decisions.

The Time Machine app is designed to easily track and manage work hours. It features weekly timesheets for setting time frames and adding comments, all within an intuitive interface. We created this app to meet the client’s requirements, enabling employees to track task time by project and fostering streamlined team communication. Additionally, it provides top managers with tools to assess individual performance effectively.

Symptomatical is a symptom management system developed to help companies and schools reopen safely and proactively manage COVID-19 risks. Our team enhanced the platform with analytics tools, an admin dashboard, a secure authorization system, a dedicated landing page, and Stripe API integration. This solution supports daily health screenings, enforces safety protocols, and ensures seamless operational continuity.

Our client is an exclusive network of over 800 high-net-worth individuals, including executives, entrepreneurs, and investors, dedicated to expanding business connections, sharing insights, and solving investment challenges. The company engaged our team to develop an online platform to streamline member interactions, support networking, and simplify meeting scheduling, enhancing community connections and collaboration.

We developed a robust software solution for hospitals and medical centers to conduct remote health consultations and COVID-19 surveys, with a focus on informing patients about illness prevention. Our client needed a tool to survey patients, especially the elderly, assess their risk, and provide customized recommendations based on responses. Additionally, we enabled healthcare organizations to create and customize their own online surveys, enhancing patient support and safety.

Payroll is a $1.2b cloud-based solution enabling companies of all sizes to manage global payroll, facilitate direct money transfers, and oversee payment cycles. They approached us in January 2019 to build this system on their financial and legal infrastructure. Yojji led the front-end development, including design, and contributed to back-end tasks. Through close collaboration and our team’s expertise, we successfully developed an efficient payroll system from scratch.

Osu is a business management and payments app for sole traders, integrated with accounting software. Yojji team built the front end for Osu’s open-banking service. It includes a payment widget and an admin dashboard for tracking transactions, managing users, and configuring features. After the MVP launch, we expanded the product with payment request flows and continue to develop the mobile app with new functionality.

This feature-rich financial mobile app offers investment opportunities for parents looking to secure their children's futures. They approached us to build this innovative fintech platform from scratch. In just three weeks, we successfully delivered a fully functional MVP within a tight timeframe, meeting all client expectations.

Avenue tasked us with creating a platform for large companies that allows employees to set development goals, schedule lectures, receive notifications, and provide feedback. Using Scrum with two-week sprints, our PM ensured smooth communication and quick issue resolution. After launching the MVP, we provided biweekly updates, efficiently incorporating client feedback and new features.