Our Portfolio - Mobile App

Voice VPN proves we can deliver privacy-first mobile products for hostile network conditions, not just generic VPN wrappers. The same experience applies to secure networking apps, zero-account onboarding flows, censorship resistance, and alternative monetization models.

Voice VPN - Fast VPN. Vasilkoff Ltd in-house project

Voice VPN is a privacy-first Flutter VPN app for censored networks, with 1-2 second connections, zero-account onboarding, and accountable delivery.

CalculatorX (HideX) proves we can build privacy-first mobile utilities where security features and everyday usability have to coexist. The same experience applies to vault apps, secure consumer tools, hidden-content utilities, and products that need discreet access patterns without confusing users.

CalculatorX (HideX)

CalculatorX (HideX) is a Swift privacy app that hides photos, videos, and contacts behind PIN-protected vaults, decoy access, and discreet app presentation.

AccuLevels is a precision measurement and leveling utility app for iOS and Android. Vasilkoff built the cross-platform React Native app using device sensors — accelerometer, gyroscope — to deliver accurate real-time level and angle measurements for professionals and DIY users. Published on App Store and Google Play.

AccuLevels — Precision Measurement Mobile App

Precision leveling and measurement utility app for iOS and Android — uses device accelerometer and gyroscope sensors for real-time angle and level readings. Built with React Native by Vasilkoff.

Internal Product

Calculator Lock demonstrates our expertise in developing privacy-centric mobile applications with advanced security features. Vasilkoff Ltd specialised in creating innovative utility apps incorporating biometric security, disguised interfaces, and intruder alerts. This experience is ideal for clients needing secure Android applications focused on data protection and user privacy. Our focus is on delivering reliable, intuitive solutions that prioritize user confidentiality and implement robust security protocols.

Calculator Lock - Android App

Calculator Lock is an Android app that hides photos, videos, and files using a disguised calculator icon for privacy.

Libi and Daughters showcases our expertise in delivering end-to-end digital solutions for new companies, providing comprehensive eCommerce platforms from scratch. Vasilkoff Ltd specialised in full-stack development (ReactJS/NodeJS) and native mobile apps (iOS/Android), integrated with Shopify and Stripe. This experience is ideal for brands needing a complete, scalable, and secure online presence, ensuring a seamless shopping experience across all devices and ongoing technical support for sustained growth.

ReactJS

Libi and Daughters

Libi and Daughters is a luxury cosmetics company with full IT development, including ReactJS/NodeJS and native mobile apps.

SpinDeals showcases our expertise in developing engaging, native mobile applications for the deals and offers market. Vasilkoff Ltd specialised in creating user-friendly, cross-platform solutions (iOS/Android) with gamified elements like 'spin the wheel' to enhance user engagement and deliver unique coupons. This experience is ideal for businesses seeking to drive foot traffic and customer acquisition through innovative, location-based discount platforms. We deliver intuitive apps that provide value to both users and local businesses.

SPIN DEALS APP

SpinDeals is a native iOS and Android app offering unique deals and coupons for cafes, restaurants, and shops in Athens and Cyprus.

Easy VPN Free exemplifies our expertise in developing open-source, privacy-focused mobile applications. As an Android VPN app with a publicly available codebase, it showcases our commitment to ethical software development and transparent practices. This experience is crucial for startups and MVPs, demonstrating how we leverage stable, battle-tested open-source components to accelerate development, reduce costs, and deliver scalable, secure solutions with faster time-to-market.

Easy VPN Free

Easy VPN Free is a 100% free, open-source Android app using VPN Gate, offering secure, censorship-resistant access without tracking.

Epic Story is a historical audio storytelling app delivering 25+ expertly narrated stories from ancient history with immersive ambient soundscapes. Vasilkoff built the cross-platform mobile app and web presence — combining audio playback, offline listening, content discovery by tags, and a global community of history listeners.

Epic Story — Historical Audio App

Historical audio storytelling mobile app with 25+ narrated stories, ambient sound layers, offline playback, and tag-based content discovery — built by Vasilkoff for iOS and Android.

Camera Mirrors showcases our proficiency in developing innovative mobile image manipulation applications. Vasilkoff Ltd specialised in creating high-performance apps with advanced photo editing features and unique visual effects for both iOS and Android. This expertise is ideal for clients seeking creative tools or media-focused platforms that require sophisticated, yet intuitive, user interfaces. We focus on bridging technology and design to deliver practical solutions that enhance user creativity.

CAMERA MIRRORS

Enhance your photos with Camera Mirrors. Crafted for clients, this app allows stunning mirrored effects. Contact us to create your app masterpiece.

Internal Product

Bella Chess proves we can combine cross-platform product delivery, AI-assisted gameplay, and Web3 mechanics inside one coherent user experience. The same experience applies to GameFi, education products, collectibles platforms, and ambitious apps that need mobile, web, and tokenized systems to work together.

Bella Chess

Bella Chess is an open-source chess product spanning Flutter mobile and Next.js web, combining AI training, etude challenges, and NFT collectibles.

Voteme proves we can build social mobile products that combine engagement loops, moderation controls, and cross-platform delivery in one coherent app. The same experience applies to community apps, gamified products, social features, real-time chat, and startup products that need both retention and safety considerations.

Voteme App

Voteme is a cross-platform social app with voting, chat, notifications, and moderation features, built to drive engagement on iOS and Android.

Camera Filters proves we can build media-focused mobile apps where responsiveness and editing UX matter as much as the feature list. The same experience applies to photo editors, creator tools, camera utilities, and consumer apps that depend on polished real-time interactions.

Camera Filters

Camera Filters is a native iOS photo-editing app with real-time filter previews and built-in editing tools for faster creative workflows.

Housekeeper World proves we can digitize service businesses with customer-friendly booking flows and operations-aware mobile delivery. The same experience applies to appointment platforms, service marketplaces, CRM-connected apps, and businesses that need smoother booking without increasing admin chaos.

Housekeeper World

Housekeeper World is a service-booking platform with mobile access, flexible cleaning packages, and a smoother customer path from selection to booking.

Nutribar showcases our expertise in delivering cross-platform healthy meal delivery solutions. Vasilkoff Ltd specialised in integrating WordPress and Firebase to create affordable, user-friendly web and mobile apps (iOS/Android via web view). This experience is ideal for businesses seeking to modernize their service delivery with seamless meal plan management and efficient order processing. We provide accessible digital solutions that promote healthy lifestyles while streamlining client operations and maximizing reach.

Nutribar

Nutribar delivers nutritious, portioned meals in Cyprus. The web app for iOS and Android offers an affordable solution for accessing healthy eating plans.

Living Cyprus demonstrates our proficiency in building integrated multi-platform applications using modern technologies like React Native, Nest.js, and React.js. Vasilkoff Ltd specialised in delivering seamless web and mobile experiences for information portals and lifestyle guides. This expertise is ideal for clients seeking cross-platform solutions for content delivery, news, or property listings. We provide robust backend infrastructure and intuitive user interfaces, ensuring efficient deployment and scalable data management for engaging digital experiences.

Living Cyprus

Living Cyprus is an integrated React Native app and ReactJS website, offering a mobile guide to Cyprus's lifestyle, news, and events.

Aquatopper proves we can build cross-platform utility apps that connect clean mobile UX with real hardware behavior. The same capability applies to IoT control panels, device-monitoring apps, field-service tools, and React Native products that need reliable delivery on both iOS and Android.

Aquatopper

Aquatopper is a React Native IoT app for pool top-up devices, giving users real-time status, simple controls, and one codebase across iOS and Android.

Black Box Control proves we can deliver sustainability-focused mobile products that translate physical-system data into simple, actionable mobile control. The same experience applies to utility apps, infrastructure dashboards, device-management tools, and React Native products that need dependable cross-platform UX.

Black Box Control

Black Box Control is a React Native app for rainwater-harvesting systems, giving users clear mobile monitoring and control across iOS and Android.

BugMath showcases our specialization in EdTech development and gamification. We excel at creating engaging, cross-platform mobile apps that translate educational principles into interactive experiences for children. This expertise is ideal for clients seeking to build safe, intuitive learning platforms or educational games. We focus on integrating structured curricula with captivating visuals and secure environments, ensuring effective learning outcomes and high user engagement.

BUGMATH

BugMath is an educational game teaching children core math concepts through Singapore's math principles in a fun, graduated format.

KOKO-MIX ADMIN exemplifies our ability to develop specialized corporate internal tools and enterprise mobile solutions that significantly enhance operational efficiency. We created a comprehensive platform integrating an Android app, admin panel, and real-time chat to streamline field staff communication and management. This experience is ideal for businesses seeking to optimize workflows, improve coordination, and gain centralized control over their operations. We deliver tailored systems designed for operational excellence.

KOKO-MIX ADMIN

KKOKO-MIX ADMIN is a custom internal tool optimizing operations with an Android app, admin panel, and chat system.

Nubisreservation demonstrates our expertise in developing comprehensive full-stack booking platforms that streamline operations and enhance customer experience. We leverage Laravel, React.js, and Stripe to deliver scalable, multi-platform solutions (web and mobile) for efficient reservation management and secure payments. This experience is ideal for businesses seeking to modernize their booking process, offering a competitive edge through digital transformation and seamless operational workflows.

Website

Nubisreservation

Nubis is a comprehensive booking platform leveraging Laravel, React.js, MySQL, and Stripe for seamless reservation experiences.

OnlinePay Wallet highlights our expertise in developing secure, high-performance native mobile applications for the Fintech sector. Vasilkoff Ltd specialised in creating platform-specific solutions (iOS and Android) that provide users with a seamless and convenient way to manage finances. This experience is ideal for businesses needing secure financial management tools and tailored mobile apps, ensuring enhanced user experience and robust security protocols for on-the-go financial management.

Web App

ONLINEPAY WALLET

We developed native iOS and Android apps for OnlinePay wallet, providing a secure way to manage finances on the go.

Custom Box demonstrates our expertise in developing specialized B2B iOS applications that significantly enhance operational efficiency. Vasilkoff Ltd specialised in creating custom pricing tools and sales enablement solutions using native Objective-C, optimizing complex workflows. This experience is ideal for clients seeking enterprise mobile apps designed to automate calculations, provide immediate quotes, and empower sales teams. We deliver reliable, tailored solutions that streamline processes and provide a competitive edge.

CUSTOM BOX

Custom Box is a native iOS app that simplifies custom box pricing, enabling salespeople to quickly access up-to-date information.

Bubble Pirate Quest highlights our expertise in delivering engaging mobile gaming experiences specifically for the iOS platform. We excel in creating captivating match-3 and casual games with robust gameplay mechanics, visually stunning design, and comprehensive level structuring. This experience is ideal for clients seeking polished, high-retention entertainment apps. We focus on technical precision and creative execution to ensure immersive experiences and strong user engagement.

Game

BUBBLE PIRATE QUEST

Bubble Pirate Quest is an iOS match-3 shooter game featuring 100+ challenging levels, engaging gameplay, and stunning visuals.

Wish Manifestation proves we can turn a founder's specialized methodology into a guided mobile product without flattening what makes it unique. The same experience applies to wellness apps, coaching products, proprietary frameworks, and niche knowledge businesses that need software packaging around their intellectual property.

Wish Manifestation

Wish Manifestation is a cross-platform mobile app that turns a niche manifestation methodology into a guided digital product for iOS and Android.

Naviaddress highlights our expertise in developing decentralized mobile applications (DApps) that revolutionize traditional systems using blockchain. Vasilkoff Ltd specialised in creating cross-platform solutions (iOS/Android) that simplify complex processes, like addressing, while ensuring enhanced security and user control through decentralization. This experience is ideal for clients seeking innovative Web3 projects or mobile applications that offer secure, transparent, and efficient interactions for real-world problems.

Crypto

NAVIADDRESS

Naviaddress mobile apps use decentralization to turn complex postal addresses into short, easy-to-remember 'naviaddresses'.