Web, Mobile & AI Development Services

Diagnose iOS and Android store rejections, fix the code, metadata, and privacy causes, and manage the resubmission through review.

We reproduce crashes reported on devices we do not own, symbolicate the reports, fix UI bugs, and cut launch time, frame drops, memory, and battery use.

Ongoing mobile app support: OS release work, dependency and SDK updates, store compatibility, crash monitoring, and small feature changes.

Redesign an existing mobile app: onboarding, platform navigation, empty and error states, accessibility, and a phased rollout that keeps users working.

We modernise legacy iOS and Android apps with staged Objective-C to Swift and Java to Kotlin migration, keeping every release shippable.

Mobile app security audits and hardening: insecure storage, exposed API keys, weak tokens, pinning, tampering, and fixes prioritised by risk.

Technical SEO audit and fixes for crawl errors, index coverage, canonicals, structured data, sitemaps, metadata, internal links, and AI crawler access.

We audit products built with AI coding tools, fix what blocks launch, and stabilise the codebase for real users, real payments, and future developers.

We audit AI-built mobile prototypes, fix crashes, payments, permissions and secrets, then stabilise the codebase for store review and future work.

Fixed-price audit of an AI-built micro-SaaS: severity-ranked findings, a prioritised fix list with effort estimates, and a realistic production roadmap.

WCAG 2.2 accessibility audits, code fixes, screen reader testing, and conformance documentation for websites that need to reach Level AA.

Ongoing website maintenance and support: tested updates, backups, restore drills, uptime monitoring, security patches, and small changes each month.

Redesign an existing website: audit what works, refresh the interface, migrate content, protect rankings, and measure the result before and after launch.

Website security audits and malware removal: entry point analysis, backdoor cleanup, plugin patching, credential rotation, WAF and monitoring.

Core Web Vitals measurement and fixes for slow websites: images, fonts, caching, CDN, database queries, and render-blocking scripts.

Static Next.js business websites with no database and no plugin update cycle, served from a CDN. Fast, hard to break, and cheap to host.

AI automation for Australia, with Darwin in focus: support assistants, enquiry workflows and human handoffs backed by the UAANT project.

AI automation for Cyprus businesses: lead handling, document workflows and support assistants with clear approval steps and measurable pilot criteria.

AI automation in Larnaca for rental, transfer and dispatch messages, with structured change requests, human approval and exception tracking.

AI automation in Limassol for business sales intake, document requests and CRM handoffs, with approval gates and duplicate handling.

AI automation in Nicosia for document intake and internal knowledge workflows, with source references, access controls and reviewer checks.

AI automation in Paphos for guest and property enquiries, with approved answers, human review, source updates and measurable pilot checks.

AI automation for UK businesses through Vasilkoff Ltd: controlled integrations, human approvals and pilot acceptance criteria for repeatable workflows.

AI chatbots for Cyprus businesses, grounded in approved content with bilingual testing, lead qualification and accountable human handoff.

AI chatbots in Larnaca for arrival and rental enquiries, with clear time handling, approved instructions and practical staff escalation.

AI chatbots in Limassol for service enquiries, with approved knowledge, useful qualification questions and structured sales-team handoff.

AI chatbots in Nicosia for service guidance and appointment enquiries, with controlled knowledge, privacy-aware intake and human escalation.

AI chatbots in Paphos for guest and property enquiries, with approved answers, viewing qualification and reliable staff handoff.

AI and machine learning development services from Vasilkoff: custom LLM applications, self-hosted private models, automated workflows, and production integrations.

AI integrations in Cyprus connecting models to business systems, with permissions, retrieval, monitoring and tested failure recovery.

AI integrations in Larnaca for booking and service systems, with current records, clear time handling and reliable connection recovery.

AI integrations in Limassol for CRM and business systems, with scoped permissions, validated outputs and observable connection health.

AI integrations in Nicosia for internal knowledge and document tools, with source permissions, traceable retrieval and controlled deployment.

AI integrations in Paphos for property and accommodation systems, with current source retrieval, permissions and controlled updates.

We connect Instagram, Facebook, Telegram, WhatsApp and website chat into one flow that replies in seconds and hands qualified buyers to your team.

We turn Zoom, Google Meet, and uploaded transcripts into a searchable internal knowledge base with summaries, decisions, action items, and cited answers.

Trend detection, AI drafting and scheduled multi-channel publishing, with a human approval step before any post goes live on your accounts.

Bilingual AI support chat for websites and messaging channels, grounded in approved documents, with clear human handover when an answer is uncertain.

Generative Engine Optimization (GEO) by Vasilkoff: structured schema, entity clarity, and crawlable content that helps ChatGPT, Perplexity, and Gemini cite your business.

Move AI calls out of browsers and apps into a serverless endpoint that holds the key, with secret protection, per-user quotas, validation and cost caps.

Crypto payment and reward smart contracts for merchant settlement, escrow, referral payouts, and batched transfers, with records that reconcile.

Full-stack dApp development company for DeFi, NFT & DAO platforms: senior Solidity engineers, EVM chains, lifetime bug-fix guarantee. Get a free quote.

Vasilkoff builds fintech products and Web3 solutions (open banking integrations, digital wallets, smart contracts, and DApps), backed by a BOC Hackathon Fintech 3.0 award and AI-accelerated delivery.

Remediation of existing smart contract audit findings: reproduce each issue, prioritise by exploitability, patch, test, and prepare a mainnet release.

Production-grade smart contract development: secure Solidity code, audit-ready architecture, and DeFi, NFT, and gaming integrations built by an experienced Web3 team.

We write, audit, and deploy Solidity smart contracts on Ethereum, Base, Arbitrum, Polygon, BNB Smart Chain, and all EVM-compatible chains. Senior engineers, lifetime bug-fix guarantee, since 2012.

Store submission and release support for iOS and Android: developer accounts, listings, signing, test tracks, staged rollouts and privacy declarations.

App Store Optimization for iOS and Android: titles, keywords, screenshots, icons, localisation, review prompts, and analytics read the honest way.

Audio storytelling app development: encoded audio assets, offline downloads and storage limits, background playback, and offline entitlements.

Native iOS and Android camera apps with live filters, image editing, and local processing, so photos and edits stay on the user's phone.

One Flutter or React Native codebase for iOS and Android, with shared screens, native modules where needed, and both store releases handled.

Location-based deals app development: nearby discovery, geofenced alerts, merchant offer tools, gamified rewards, and redemption verification.

Crash reporting, symbol upload, funnels, and retention events set up so your app shows which release broke and where users leave.

Mobile app development for Australia, prioritising Darwin: iOS and Android delivery, connectivity planning and clearly scoped backend and store work.

Mobile app development for Cyprus: iOS and Android products, connected backends and practical release planning, with Living Cyprus project evidence.

Mobile app development in Larnaca for rental and handover teams, with photo records, offline capture and controlled booking updates.

Mobile app development in Limassol for field teams and property visits, with role-based records, photo capture and offline synchronisation.

Mobile app development in Nicosia for associations and service teams, with member access, appointment flows and notification controls.

Mobile app development in Paphos for guest services and property teams, with offline behaviour, notifications and practical release checks.

UK mobile app development through Vasilkoff Ltd: iOS and Android apps, backend integration, staged delivery and clear store release responsibilities.

Mobile MVP development for iOS and Android: a scoped first release with real accounts, analytics, and a foundation you can keep building on.

App Privacy labels and Google Play data safety forms that match the code, plus SDK inventory, consent, and GDPR or CCPA request handling.

Mobile app development in Cyprus: iOS, Android & Flutter apps by a local team with AI-accelerated delivery and lifetime bug fixes. Get a free quote today.

Mobile backend and cloud infrastructure: authentication, databases, sync, uploads, notifications, environments, and deployment behind iOS and Android apps.

Connect iOS and Android apps to Bluetooth Low Energy and Wi-Fi hardware: pairing, reconnection, calibration, firmware checks, and testing on real devices.

StoreKit and Google Play Billing setup for subscription tiers, trials, paywalls, server-side receipt validation, and entitlement sync across devices.

GPS, maps, geofencing and location alerts in iOS and Android apps, with battery-aware updates, permission handling and control over map API costs.

Offline-first mobile development: SQLite or Realm storage, sync and conflict rules, queued actions, media caching, and testing on unreliable networks.

Apple Pay, Google Pay, Stripe and in-app wallet balances for iOS and Android apps, with SCA, refunds, receipts and store billing rules handled.

Push notification setup on OneSignal, Firebase Cloud Messaging, or direct APNs: permissions, segments, frequency caps, deep links, and delivery tracking.

We retrofit desktop-only websites for phones and tablets: breakpoints, tap targets, navigation, tap-to-call, forms, tables, and mobile Core Web Vitals.

Mobile app upgrades for iOS and Android: target SDK bumps, deprecated APIs, permission changes, library updates, and store review support.

Build iOS and Android measurement apps using accelerometers, gyroscopes, cameras, or linked hardware, with calibration and honest accuracy limits.

Mobile VPN app development for iOS and Android: fast connection times, working kill switch, entitlements, and store listings backed by verifiable claims.

Kotlin and Jetpack Compose Android apps built for real device variety, current permission rules, background limits, and Google Play review.

Native iOS apps in Swift and SwiftUI, engineered for App Store review, background modes, battery limits, and Apple Watch companions.

On-demand service app development: customer and provider apps on one backend, dispatch rules, live tracking, and an operator console for the exceptions.

Private vault apps for iOS and Android: PIN or biometric unlock, encrypted on-device storage, decoy access, and screenshot protection.

Social and community app development for iOS and Android: profiles, feeds, group messaging, notifications, moderation, and privacy settings.

Companion Apple Watch and Wear OS apps: complications, tiles, workout sessions, phone sync, battery limits, and watch-only builds.

We convert existing websites and web apps into iOS and Android apps: WebView shells, hybrid builds, or full native rebuilds with push and deep links.

REST and GraphQL API development and third-party integrations, covering authentication, versioning, idempotency, rate limits, webhooks and retries.

App design in Cyprus with user flows, interactive prototypes, reusable components and acceptance checks before mobile implementation.

App design in Larnaca for arrival and field-service tasks, with interruption states, location choices and tested mobile design handoff.

App design in Limassol for business tools, with role-specific journeys, approval states, usable prototypes and developer specifications.

App design in Nicosia for appointment and document journeys, with clear status screens, accessible prototypes and implementation handoff.

App design in Paphos for property and guest-service journeys, with request states, practical prototypes and clear development handoff.

Brand positioning, visual identity and practical brand guidelines in Cyprus, with agreed scope, approvals and deliverables.

Brand positioning, visual identity and practical brand guidelines in Larnaca, with agreed scope, approvals and deliverables.

Brand positioning, visual identity and practical brand guidelines in Limassol, with agreed scope, approvals and deliverables.

Brand positioning, visual identity and practical brand guidelines in Nicosia, with agreed scope, approvals and deliverables.

Brand positioning, visual identity and practical brand guidelines in Paphos, with agreed scope, approvals and deliverables.

Move content, media, and data between WordPress, Wix, Squarespace, Joomla, Drupal, and custom platforms, with URL redirect maps and metadata kept intact.

Events, memberships, donations, and two languages in one portal that volunteers can actually run, with modest running costs and receipts handled.

Photography, video shoots, copy and edited assets for your channels in Cyprus, with agreed scope, approvals and deliverables.

Photography, video shoots, copy and edited assets for your channels in Larnaca, with agreed scope, approvals and deliverables.

Photography, video shoots, copy and edited assets for your channels in Limassol, with agreed scope, approvals and deliverables.

Photography, video shoots, copy and edited assets for your channels in Nicosia, with agreed scope, approvals and deliverables.

Photography, video shoots, copy and edited assets for your channels in Paphos, with agreed scope, approvals and deliverables.

Corporate website development by Vasilkoff Ltd. Professional business websites for law firms, real estate agencies, financial services, hospitality, and B2B companies: fixed-price, lifetime bug-fix guarantee.

One project that takes a company from a short brief to a live multi-page website: discovery, structure, design, build, launch, and handover.

Private WordPress plugins, WooCommerce add-ons, Shopify apps, and browser extensions built to fit your existing platform and its update cycle.

Bespoke Shopify themes in Liquid with section and block architecture, mobile-first product pages, merchant-editable content, and clear platform limits.

We design and build full-stack portals, dashboards and SaaS products with authentication, roles, data models, deployment and source code you own.

PostgreSQL, MySQL, and MongoDB schema design, indexing, query tuning, backups, and data migrations that move between engines with validated cutover.

Expert UI/UX design services for web, mobile apps, eCommerce, and DApps: user-centred interfaces that drive engagement, conversion, and long-term product success.

Public e-commerce storefronts paired with secure B2B dashboards for dealer, fleet, and company accounts, sharing one product, pricing, and order database.

Shopify, WooCommerce, and custom e-commerce builds: catalogue and variant setup, payment gateways, shipping, tax, and checkout work.

We turn Figma and PSD files into responsive HTML, CSS, React, Next.js or Tailwind front ends, including the hover, focus, error and loading states.

Headless CMS development by Vasilkoff: content modelling, preview and publishing workflow, build triggers, caching, and a Next.js front end.

We build interactive calculators and custom tools with server-side pricing rules, validation, shareable results, PDF output and lead capture.

Landing pages for product launches, campaigns and events: message structure, forms, analytics, fast loading and iteration after launch.

Local search, business-profile review and service-area pages in Cyprus, with agreed scope, approvals and deliverables.

Local search, business-profile review and service-area pages in Larnaca, with agreed scope, approvals and deliverables.

Local search, business-profile review and service-area pages in Limassol, with agreed scope, approvals and deliverables.

Local search, business-profile review and service-area pages in Nicosia, with agreed scope, approvals and deliverables.

Local search, business-profile review and service-area pages in Paphos, with agreed scope, approvals and deliverables.

Multi-vendor marketplace development: seller intake, search and matching, split payouts, reviews, disputes, and the admin tools that hold trust together.

Membership builds on WordPress, Next.js, and custom backends: registration, plans, trials, failed-payment recovery, and server-side access checks.

Facebook and Instagram campaign setup, creative testing and reporting in Cyprus, with agreed scope, approvals and deliverables.

Facebook and Instagram campaign setup, creative testing and reporting in Larnaca, with agreed scope, approvals and deliverables.

Facebook and Instagram campaign setup, creative testing and reporting in Limassol, with agreed scope, approvals and deliverables.

Facebook and Instagram campaign setup, creative testing and reporting in Nicosia, with agreed scope, approvals and deliverables.

Facebook and Instagram campaign setup, creative testing and reporting in Paphos, with agreed scope, approvals and deliverables.

We package internal features as documented, versioned libraries, and we review open-source dependencies before they enter your product.

Stripe, PayPal, Square, Revolut, Apple Pay and Google Pay connected to your checkout, with SCA, webhooks, refunds and seller payouts.

Portfolio website development for studios, agencies, and photographers: image-heavy project pages that stay fast, capture enquiries, and update easily.

We turn existing web apps into installable, offline-capable PWAs with service workers, caching strategy, install prompts, and a safe update path.

SEO in Cyprus with technical audits, useful service content, eligible business-profile work and transparent organic measurement.

SEO in Larnaca with service-area content, technical indexing checks and organic measurement linked to usable customer enquiries.

SEO in Limassol for clear service pages, technical search checks and organic reporting aligned with qualified business enquiries.

SEO in Nicosia with content ownership, technical audits, language-page review and measurement for useful organic enquiries.

SEO in Paphos for accommodation and service pages, with seasonal content review, technical checks and organic enquiry measurement.

Social media management in Cyprus with content calendars, publishing, approval workflows and reporting for your agreed channels.

Social media management in Larnaca with service-area content, asset planning, publishing checks and clear message routing.

Social media management in Limassol with expert content, event assets, approval deadlines and clear community escalation.

Social media management in Nicosia with editorial planning, bilingual review, version control and a defined publishing process.

Social media management in Paphos for seasonal content, approved guest information, publishing and practical enquiry handoffs.

Social media marketing in Cyprus with campaign strategy, creative tests, landing-page review and conversion measurement.

Social media marketing in Larnaca with service-area targeting, creative tests, enquiry-path checks and qualified-lead reporting.

Social media marketing in Limassol with audience tests, approved creative and reporting tied to meaningful sales enquiries.

Social media marketing in Nicosia for registrations and qualified enquiries, with approval controls, creative tests and clear reporting.

Social media marketing in Paphos with seasonal campaign planning, creative testing and measurement of useful booking enquiries.

Responsive website design for Cyprus businesses, with clear journeys, bilingual content planning, tested prototypes and developer handoff.

Web design in Larnaca for rental and visitor services, with clear pickup information, mobile enquiry flows and tested responsive prototypes.

Web design in Limassol for service and business websites, with audience journeys, evidence-led layouts and practical approval checks.

Web design in Nicosia with clear service navigation, accessible form designs, multilingual content ownership and developer-ready prototypes.

Web design in Paphos for property and accommodation businesses: clear comparisons, honest enquiry states and responsive design handoff.

Web development for Australia, prioritising Darwin: useful websites, payment journeys and manageable content backed by documented association work.

Web development, web apps & custom software for Cyprus businesses. Paphos-based team serving Limassol, Nicosia & Larnaca. Book a free discovery call.

Web development in Larnaca for rental and transfer bookings, with pickup rules, transparent quotes and tested operational handoffs.

Web development in Limassol for property catalogues and business portals, with inventory ownership, enquiry routing and migration checks.

Web development in Nicosia for professional services and member portals, with content approval, accessible forms and clear publishing ownership.

Web development in Paphos for accommodation and property enquiries, with availability rules, multilingual content and practical launch checks.

UK web development through Vasilkoff Ltd: websites, web apps and migrations with defined acceptance criteria, practical handover and senior oversight.

Website and web app development for businesses: WordPress, Shopify, Magento & custom Next.js builds. Senior engineers, lifetime bug fixes, free quote.

Professional WordPress development in Cyprus. Custom themes, WooCommerce stores, multilingual sites, plugin development, and headless WordPress with Next.js. Fixed-price contracts, lifetime bug-fix guarantee.

WordPress installation, theme configuration, plugin selection, caching, security hardening, and admin training for new or inherited WordPress sites.