iOS, Android, and Desktop App Development Services

In today’s mobile-driven world, having a robust, intuitive app is essential. At Playful Sparkle, we offer comprehensive app development services for iOS, Android, cross-platform, and desktop applications. Our focus is on creating apps that deliver an exceptional user experience while driving business growth.

Why Choose Us?

Why Choose Us?

Our approach to app development is user-centric and innovation-driven. We focus on creating apps that are not only highly functional but also engaging and easy to use. Our expertise in mobile technologies ensures your app meets the highest industry standards.

Our app development services are dedicated to ethical standards. We do not participate in projects that involve illegal activities or adult content. We aim to create valuable, user-friendly applications.

Quality guaranteed by experience

Quality Guaranteed by Experience

Our team includes experienced developers, designers, and strategists who have successfully launched numerous apps across various sectors. We bring a wealth of knowledge and a proven track record to every project.

Guaranteed Quality and Reliability

Guaranteed Quality and Reliability

We follow best practices in app development, performing thorough testing and quality checks to ensure your app is reliable, secure, and performs at its best. Our commitment to excellence guarantees a high-quality product.

The Process

The Process

Our app development process begins with understanding your business goals and user needs. We then move on to design and prototyping, followed by development and iterative testing. The final stage includes deployment and ongoing support to keep your app up-to-date and fully functional.

See some of our recent work

Satellite channel list updater Cross-Platform App Development

Satellite channel list updater Cross-Platform App Development

Trade Station s.r.o., a Slovak e-commerce company, required a cross-platform plugin for VU+ Zero set-top boxes to simplify channel list updates. The solution included a Node.js REST web server to provide updated channel information for download, enhancing user convenience. This development aimed to reduce service costs by eliminating the need for technicians to perform manual updates.
  • App Development
  • Cross-Platform App Development

View Satellite channel list updater Cross-Platform App Development Case Study

E-commerce feed converter Desktop Application Development

E-commerce feed converter Desktop Application Development

Trade Station s.r.o., a Slovak e-commerce company, required a Windows desktop application to streamline product data conversion from formats like XLS, CSV, and XML. This solution aimed to unify product information and ensure their e-shop platform remained updated with accurate inventory. The project focused on improving operational efficiency and enhancing customer satisfaction.
  • App Development
  • Desktop Application Development

View E-commerce feed converter Desktop Application Development Case Study

Don't take our word for it – Hear what our customers say

The desktop application for managing our inventory has significantly streamlined our operations. Highly recommended!

Jozef Kováč
Jozef Kováč Inventory Manager of Swift Logistics

Let’s amplify your success together!

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More About App Development Services

iOS App Development

We create custom iOS applications that leverage the latest features while providing an exceptional user experience. Our goal is to make your app stand out in the Apple App Store.

Process

  • Conceptualization and planning
  • UI/UX design and prototyping
  • Development and quality assurance
  • App Store submission and ongoing support

Android App Development

We design and develop robust Android applications that perform flawlessly across a wide range of devices. Our focus is on creating apps that engage users and provide a superior experience on the Android platform.

Process

  • Conceptualization and planning
  • UI/UX design and prototyping
  • Development and quality assurance
  • Google Play Store submission and ongoing support

Cross-Platform App Development

Our cross-platform development services maximize your reach by ensuring your app runs smoothly on both iOS and Android. We deliver a consistent user experience across all devices, increasing accessibility and usability.

Process

  • Requirement analysis and strategy
  • Design and prototyping
  • Cross-platform development
  • Testing and deployment

Desktop Application Development

Our desktop application development services are tailored to meet the specific needs of your business. We ensure high performance and seamless integration with the Windows operating system, delivering robust, scalable, and user-friendly applications that enhance productivity and user experience.

Process

  • Requirement analysis and strategy
  • Design and prototyping
  • Development
  • Testing and deployment

Our App Development Packages

Prototype Sprint

Clickable prototype + technical spike to validate your idea fast and affordably.

Price from 2,200 € (without tax) Estimated range: 2,200 €-5,900 €

Estimated timeline 2-4 weeks

  • UX wireframes + clickable UI prototype (key flows)
  • Tech feasibility spike (API/DB approach)
  • One feedback iteration round
  • Production app build

Add-ons: simple landing page, user testing, pitch deck visuals

Cross-Platform Starter

One shared codebase for iOS & Android to maximize reach on a budget.

Price from 13,900 € excluding VAT Estimated range: 13,900 €-38,900 €

Estimated timeline 3-6 months

  • Flutter or React Native app (iOS + Android)
  • Design system (colors, type, components)
  • API integration, auth, basic in-app messaging
  • CI/CD + crash reporting setup
  • 6-week post-launch bug-fix window

Add-ons: web (PWA) companion, premium animations, localization

Scale-Up Pro

Full-stack build for growth: multi-env backend, security, automation, and analytics.

Price from 21,900 € excluding VAT Estimated range: 21,900 €-77,500 €

Estimated timeline 4-10 months

  • Native or cross-platform app (iOS & Android)
  • Custom backend (API, DB, auth, roles)
  • Payments, subscriptions, analytics suite
  • CI/CD, monitoring, logging, alerting
  • 12-month support (bug fixes & minor improvements)

Add-ons: enterprise SSO, GDPR assessments, data migration

Individual Service Pricing

We tailor our individual services to meet your specific app development needs. Below, you'll find the pricing for each service. If you require a combination of services, consider exploring our packages for a more comprehensive solution.

ServiceDescription
iOS App DevelopmentCore native iOS development for simple to medium apps (basic user flows, limited integrations). Complex features or specialized modules quoted separately.2,600 € - 8,500 €
Android App DevelopmentNative Android development covering core features and screens. Advanced integrations or custom modules priced extra.2,600 € - 8,500 €
Cross-platform App (Flutter / React Native)Shared codebase app supporting iOS & Android with core functionality. Custom native modules or platform-specific tweaks are extra.3,300 € - 10,500 €
Desktop Application DevelopmentBasic desktop app for Windows/macOS/Linux with core features. Complex integrations or high performance optimization priced separately.3,300 € - 11,500 €
UI / UX DesignCore UI/UX for small to mid-size apps: layout, navigation, interaction basics. Does not include full design system, heavy user testing, or animation design.1,100 € - 3,300 €
App Maintenance & SupportMonthly support covering small bug fixes, security patches, standard OS updates. Does not include large new feature development.250 € - 1,100 €/month
Testing & Quality AssuranceManual and automated testing of core flows and features. Does not cover performance stress testing or full device matrix coverage.550 € - 2,800 €
Backend DevelopmentBasic backend setup: APIs, database, server logic for core features. Complex architecture, heavy scaling, or microservices are extra.2,200 € - 6,500 €
Cloud Services IntegrationSetup of cloud services (storage, basic server hosting) for scale. Advanced cloud architecture, migrations, or custom cloud logic are extra.1,100 € - 3,300 €
App SecurityImplementation of standard security measures (encryptions, authentication). Advanced security audits, penetration testing, or compliance (e.g. GDPR audits) are separate.1,100 € - 3,300 €
Voice Assistant IntegrationBasic integration of voice assistant (Alexa / Google Assistant) for simple commands. Complex conversational AI or custom voice features quoted separately.1,650 € - 4,500 €
Custom Software DevelopmentBespoke software for specific business needs with defined requirements. Highly complex systems or large enterprise modules are custom-quoted.3,300 € - 11,500 €
Prototyping & WireframingInteractive prototypes or wireframes of main user flows. Full usability studies or high-fidelity mockups are extra.800 € - 2,200 €
App MigrationMoving an app between platforms or upgrading core tech. Legacy refactoring, compatibility issues, or large data migrations quoted separately.1,300 € - 3,500 €
Localization & InternationalizationAdapting app text and UI for different languages/regions. Does not include deep culturalization or extensive localization for non-standard markets.800 € - 3,300 €
Subscription / Billing ManagementImplementation of subscription logic and payment flows. Custom billing rules, tiered plans, or complex billing engines are additional.800 € - 2,200 €
Data Analytics IntegrationConnection of analytics tools to track core user metrics. Deep custom analytics dashboards or predictive models are extra.800 € - 2,200 €
Accessibility EnhancementEnsure basic accessibility (e.g. screen readers, contrast) for main app flows. Full WCAG compliance audits or heavy adjustments quoted separately.800 € - 1,950 €
Custom API DevelopmentAPIs to support integration with external systems or features. High volume, real-time, or complex APIs are custom-priced.1,100 € - 3,300 €
E-commerce IntegrationBasic e-commerce features (checkout, carts, payments). Complex catalogs, subscriptions, discounts, or custom logic are extra.1,650 € - 4,500 €
Social Media IntegrationLogin, sharing, or basic posting via social APIs. Deep social analytics or custom social engines quoted separately.800 € - 2,200 €
Push Notifications & MessagingSetup of push notifications or simple in-app messaging. Complex messaging logic, segmentation, or analytics are extra.800 € - 1,950 €
In-App Analytics & ReportingBasic reporting features for usage stats. Advanced custom reports, export, dashboards or predictive insights are extra.800 € - 2,200 €
CMS IntegrationIntegrate or embed a content management system for basic content workflows. Complex custom CMS features or multi-site setups are extra.1,100 € - 3,300 €
Performance MonitoringMonitoring setup for core app performance metrics and crash reporting. Full observability stacks or real-time alert systems are extra.800 € - 2,200 €
Cross-platform TestingTest app behavior across major platforms/devices for core flows. Full device matrix or edge case testing quoted separately.800 € - 2,200 €
Custom Widgets & ExtensionsDevelopment of simple widgets or extensions. Complex or deeply integrated extensions are custom-priced.800 € - 2,200 €
Enterprise App DevelopmentBusiness-level app development for internal systems or customer platforms. Highly complex modules or integrations are quoted separately.3,300 € - 11,500 €
API Documentation & SupportBasic API documentation and developer support. In-depth guides, SDKs, or long-term support are extra.800 € - 2,200 €
Voice / Speech Recognition IntegrationIntegration of voice/speech recognition for core features. Advanced voice AI or custom speech modules quoted separately.1,300 € - 3,300 €
Progressive Web App (PWA) DevelopmentStandard PWA covering offline support, caching, and basic features. Advanced synchronization, push logic, or device APIs extra.2,200 € - 5,500 €
Video & Multimedia IntegrationEmbedding or streaming video/audio features in app. Complex editing, transcoding, or live streaming features are separate.1,100 € - 3,300 €
Custom Animations & GraphicsSimple animations, UI transitions, or graphic effects. Fully custom motion design or 3D animation is extra.800 € - 2,200 €
API Rate Limiting & ThrottlingBasic implementation of rate limits or throttling logic. Advanced policies or dynamic throttling logic are quoted separately.800 € - 2,200 €
DevOps / CI‑CD SetupImplementing continuous integration, continuous delivery pipelines, automated deployments, build & release automation.1,200 € - 4,000 €
App Store / Play Store Deployment & SupportSubmission, review handling, store optimization, app updates, and compliance support for app stores.300 € - 1,500 €
Performance Optimization & ProfilingProfiling, tuning, caching, reducing latency, optimizing resource usage, memory / CPU improvements.800 € - 3,000 €
Code Review & Architecture AuditDetailed inspection of codebase, suggestions for improvements, architectural refactoring recommendations.700 € - 2,500 €
Training & Developer Handoff / DocumentationComprehensive documentation, onboarding sessions, training client or team members to maintain the app.500 € - 2,000 €
Third‑Party Integration (e.g. Payment, Social, Maps)Integration with external SDKs or APIs (payment gateways, mapping, social platforms) beyond core features.600 € - 2,500 €
Monitoring, Logging & ObservabilitySet up monitoring, logging, alerts, dashboards for runtime metrics, error tracking, uptime reporting.800 € - 3,000 €
Data Migration & Import / ExportMoving legacy data, transforming formats, import/export functionality, synchronizing data sources.900 € - 3,500 €
Compliance & Regulatory Audit (GDPR, HIPAA, etc.)Reviewing and ensuring app meets legal/regulatory standards, privacy audits, compliance enhancements.1,000 € - 4,000 €

For customized solutions or to discuss how these services can be combined, please schedule a free consultation.

Technologies we utilize to bring your ideas to life

Our experienced team leverages the latest technologies to deliver innovative and sustainable solutions tailored to our clients’ needs.

  • React Native logo
  • Flutter logo
  • Xamarin logo
  • Swift logo
  • Kotlin logo
  • Xcode logo
  • Android Studio logo
  • Visual Studio logo
  • Visual Studio Code logo
  • SQLite logo
  • Firebase logo
  • GraphQL logo
  • XCTest logo
  • Espresso logo
  • Appium logo
  • Android logo
  • Apple logo
  • Microsoft Windows logo
  • C# logo
  • C++ logo

Let’s amplify your success together!

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App Development FAQ’s

We understand that you may have common questions, and we've addressed them here. If you’re looking for clear and straightforward answers, you’re in the right place. However, if you have additional questions or need further clarification, please get in touch with us . We’re here to help and ensure you receive all the information you need!

iOS App Development

We use Swift and Objective-C for iOS app development. Swift is our primary choice due to its modern features, safety, and performance benefits. Objective-C is used in scenarios where legacy code or specific functionalities require it.

The timeline for developing an iOS app varies based on the complexity and features of the app. Generally, it can take anywhere from 3 to 6 months. We provide a more accurate timeline after discussing your specific requirements. The timeline includes phases such as design, development, and testing.

Yes, we assist with the entire App Store submission process, including preparing the necessary assets, creating the app listing, and ensuring the app meets Apple’s guidelines for approval. We also help navigate common challenges and issues during the submission process to improve your chances of approval.

Android App Development

We use Java and Kotlin for Android app development. Kotlin is our preferred language due to its modern syntax and improved performance. We use Java for projects that involve legacy code or where compatibility with older systems is necessary.

The development time for an Android app depends on its complexity and features. Typically, it takes between 3 to 6 months. We provide a detailed timeline after understanding your project requirements, including stages like design, development, and testing.

Yes, we assist with the entire Google Play Store submission process, including preparing the necessary assets, creating the app listing, and ensuring the app complies with Google’s guidelines for approval. We also provide support for addressing common issues during the submission process.

Cross-Platform App Development

Cross-platform app development allows us to create applications that work on both iOS and Android platforms using a single codebase. This approach reduces development time and costs while maintaining a consistent user experience. It can be a cost-effective solution when targeting multiple platforms.

We use frameworks like React Native and Flutter for cross-platform app development. These frameworks enable us to build high-performance apps with native-like experiences. We choose the framework based on project requirements, performance needs, and desired user experience.

Cross-platform development can save time and money by allowing you to reach both iOS and Android users with a single app. It ensures consistent branding and user experience across platforms and simplifies maintenance and updates. It is ideal for businesses looking to maximize their reach with fewer resources.

Desktop Application Development

We develop a wide range of desktop applications, including desktop software, utility apps, and custom business applications. Our expertise covers various industries, ensuring we can meet your specific needs and requirements. Examples include project management tools, financial software, and educational apps.

The timeline for developing a desktop application depends on the project’s complexity and scope. Generally, the process takes between 3 to 6 months from initial requirement analysis to final deployment. We provide detailed timelines after understanding your specific needs, including design, development, and testing phases.

Yes, we offer comprehensive support and maintenance services post-deployment. This includes regular updates, bug fixes, performance optimization, and feature enhancements to ensure your application runs smoothly and remains up-to-date with the latest technologies.

We follow a rigorous quality assurance process that includes multiple testing phases, such as unit testing, integration testing, and user acceptance testing. This ensures the application is robust, reliable, and free of bugs. Our QA team uses modern tools and methodologies to maintain high standards throughout the development process.

Yes, we can integrate various third-party services and APIs to enhance the functionality of your desktop application. Whether you need payment gateways, social media integrations, or other external services, our team has the expertise to seamlessly incorporate these into your application.

The cost of desktop application development varies based on the complexity and features of the project. We provide customized quotes after a thorough analysis of your requirements. Our goal is to deliver high-quality applications within your budget. Example cost ranges will be discussed after evaluating your specific needs.

We use a variety of technologies for desktop application development, including C#, .NET Framework, .NET Core, WPF, UWP, and Microsoft Azure. Our team stays updated with the latest tools and technologies to ensure we deliver modern and efficient applications tailored to your needs.

We encourage client involvement throughout the development process. Regular updates, meetings, and feedback sessions ensure that the project aligns with your vision and requirements. Your input is valuable in creating a successful application, and we aim to keep you informed and engaged.

General App Development Questions

App development can help your business by providing a direct channel to engage with customers, improving customer experience, and increasing brand loyalty. Apps can also drive sales, provide valuable insights through analytics, and streamline business operations, ultimately contributing to your business's growth and efficiency.

We develop apps for iOS, Android, and cross-platform solutions to ensure your app reaches the widest possible audience. This approach allows you to choose the best strategy based on your target users and business goals.

Our app development process includes the following steps: initial consultation, project planning, design and prototyping, development, testing, deployment, and post-launch support. We work closely with you throughout each phase to ensure the final product meets your expectations and business needs.

We follow industry best practices to ensure app security, including secure coding practices, data encryption, regular security testing, and compliance with relevant regulations. We prioritize the security and privacy of user data in every project and provide detailed security measures tailored to your app's specific needs.

Yes, we provide ongoing support and maintenance services to ensure your app remains up-to-date, secure, and functional. Our services include regular updates, bug fixes, performance optimization, and adding new features as needed, tailored to your app's requirements and user feedback.

Yes, we can integrate your app with various systems and services, such as third-party APIs, payment gateways, CRM systems, and social media platforms. We ensure seamless integration to enhance the functionality and user experience of your app, addressing any challenges and ensuring compatibility.

We handle app updates and new feature requests through our ongoing support and maintenance services. We work with you to prioritize updates and new features, ensuring they are implemented efficiently and effectively. Our process includes assessing impact, scheduling development, and testing to ensure smooth implementation.

Yes, we offer app maintenance and updates to ensure your app remains functional, secure, and up-to-date with the latest features and technologies. We assess your app’s current state and provide tailored solutions to enhance and update its performance.

The cost of app development depends on various factors, including the complexity of the app, the number of features, and the platforms targeted. We provide a detailed cost estimate after discussing your specific requirements and project scope. Example cost ranges and case studies are available to help you understand potential costs.

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