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?
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
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
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
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
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
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!
Let’s amplify your success together!
Request a Free QuoteMore 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 €
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
MVP Single-Platform
Launch a lean, market-ready app for iOS or Android with core features.
Price from 8,900 € excluding VAT Estimated range: 8,900 €-26,900 €
2-5 months
- Native app (choose iOS or Android)
- UI/UX for main user journeys
- Auth, push notifications, basic analytics
- Simple backend/API integration (1-3 endpoints)
- Store submission support
Add-ons: offline mode, payments, advanced analytics
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 €
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 €
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.
| Service | Description | |
|---|---|---|
| iOS App Development | Core 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 Development | Native 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 Development | Basic desktop app for Windows/macOS/Linux with core features. Complex integrations or high performance optimization priced separately. | 3,300 € - 11,500 € |
| UI / UX Design | Core 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 & Support | Monthly support covering small bug fixes, security patches, standard OS updates. Does not include large new feature development. | 250 € - 1,100 €/month |
| Testing & Quality Assurance | Manual and automated testing of core flows and features. Does not cover performance stress testing or full device matrix coverage. | 550 € - 2,800 € |
| Backend Development | Basic backend setup: APIs, database, server logic for core features. Complex architecture, heavy scaling, or microservices are extra. | 2,200 € - 6,500 € |
| Cloud Services Integration | Setup of cloud services (storage, basic server hosting) for scale. Advanced cloud architecture, migrations, or custom cloud logic are extra. | 1,100 € - 3,300 € |
| App Security | Implementation 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 Integration | Basic 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 Development | Bespoke software for specific business needs with defined requirements. Highly complex systems or large enterprise modules are custom-quoted. | 3,300 € - 11,500 € |
| Prototyping & Wireframing | Interactive prototypes or wireframes of main user flows. Full usability studies or high-fidelity mockups are extra. | 800 € - 2,200 € |
| App Migration | Moving an app between platforms or upgrading core tech. Legacy refactoring, compatibility issues, or large data migrations quoted separately. | 1,300 € - 3,500 € |
| Localization & Internationalization | Adapting 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 Management | Implementation of subscription logic and payment flows. Custom billing rules, tiered plans, or complex billing engines are additional. | 800 € - 2,200 € |
| Data Analytics Integration | Connection of analytics tools to track core user metrics. Deep custom analytics dashboards or predictive models are extra. | 800 € - 2,200 € |
| Accessibility Enhancement | Ensure 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 Development | APIs to support integration with external systems or features. High volume, real-time, or complex APIs are custom-priced. | 1,100 € - 3,300 € |
| E-commerce Integration | Basic e-commerce features (checkout, carts, payments). Complex catalogs, subscriptions, discounts, or custom logic are extra. | 1,650 € - 4,500 € |
| Social Media Integration | Login, sharing, or basic posting via social APIs. Deep social analytics or custom social engines quoted separately. | 800 € - 2,200 € |
| Push Notifications & Messaging | Setup of push notifications or simple in-app messaging. Complex messaging logic, segmentation, or analytics are extra. | 800 € - 1,950 € |
| In-App Analytics & Reporting | Basic reporting features for usage stats. Advanced custom reports, export, dashboards or predictive insights are extra. | 800 € - 2,200 € |
| CMS Integration | Integrate 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 Monitoring | Monitoring setup for core app performance metrics and crash reporting. Full observability stacks or real-time alert systems are extra. | 800 € - 2,200 € |
| Cross-platform Testing | Test app behavior across major platforms/devices for core flows. Full device matrix or edge case testing quoted separately. | 800 € - 2,200 € |
| Custom Widgets & Extensions | Development of simple widgets or extensions. Complex or deeply integrated extensions are custom-priced. | 800 € - 2,200 € |
| Enterprise App Development | Business-level app development for internal systems or customer platforms. Highly complex modules or integrations are quoted separately. | 3,300 € - 11,500 € |
| API Documentation & Support | Basic API documentation and developer support. In-depth guides, SDKs, or long-term support are extra. | 800 € - 2,200 € |
| Voice / Speech Recognition Integration | Integration of voice/speech recognition for core features. Advanced voice AI or custom speech modules quoted separately. | 1,300 € - 3,300 € |
| Progressive Web App (PWA) Development | Standard PWA covering offline support, caching, and basic features. Advanced synchronization, push logic, or device APIs extra. | 2,200 € - 5,500 € |
| Video & Multimedia Integration | Embedding or streaming video/audio features in app. Complex editing, transcoding, or live streaming features are separate. | 1,100 € - 3,300 € |
| Custom Animations & Graphics | Simple animations, UI transitions, or graphic effects. Fully custom motion design or 3D animation is extra. | 800 € - 2,200 € |
| API Rate Limiting & Throttling | Basic implementation of rate limits or throttling logic. Advanced policies or dynamic throttling logic are quoted separately. | 800 € - 2,200 € |
| DevOps / CI‑CD Setup | Implementing continuous integration, continuous delivery pipelines, automated deployments, build & release automation. | 1,200 € - 4,000 € |
| App Store / Play Store Deployment & Support | Submission, review handling, store optimization, app updates, and compliance support for app stores. | 300 € - 1,500 € |
| Performance Optimization & Profiling | Profiling, tuning, caching, reducing latency, optimizing resource usage, memory / CPU improvements. | 800 € - 3,000 € |
| Code Review & Architecture Audit | Detailed inspection of codebase, suggestions for improvements, architectural refactoring recommendations. | 700 € - 2,500 € |
| Training & Developer Handoff / Documentation | Comprehensive 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 & Observability | Set up monitoring, logging, alerts, dashboards for runtime metrics, error tracking, uptime reporting. | 800 € - 3,000 € |
| Data Migration & Import / Export | Moving 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 A framework for building native mobile apps using JavaScript and React, allowing for cross-platform development.
- Flutter An open-source UI software development toolkit by Google for building natively compiled applications for mobile, web, and desktop from a single codebase.
- Xamarin A Microsoft-owned framework for building cross-platform mobile apps with .NET and C#, allowing code sharing across iOS, Android, and Windows.
- Swift A powerful programming language developed by Apple for building iOS, macOS, watchOS, and tvOS applications.
- Kotlin A statically typed programming language developed by JetBrains, fully interoperable with Java, and used primarily for Android development.
- Xcode Apple's integrated development environment (IDE) for macOS, used to develop software for iOS, macOS, watchOS, and tvOS.
- Android Studio The official IDE for Android development, based on IntelliJ IDEA, providing tools for building and testing Android apps.
- Visual Studio An IDE from Microsoft for developing a range of applications, from web and desktop to mobile and cloud, using languages like C#, VB.NET, and more.
- Visual Studio Code A lightweight, open-source code editor from Microsoft with support for debugging, syntax highlighting, intelligent code completion, and more.
- SQLite A self-contained, serverless, zero-configuration, and transactional SQL database engine, commonly used for local storage in mobile apps.
- Firebase A platform developed by Google for creating mobile and web applications, offering services like database, authentication, and cloud storage.
- GraphQL A query language for your API, developed by Facebook, which allows clients to request exactly the data they need, making APIs more efficient.
- XCTest A framework provided by Apple for writing unit tests for iOS and macOS apps, integrated with Xcode.
- Espresso A testing framework for Android, used for writing concise and reliable UI tests within the Android application.
- Appium An open-source tool for automating mobile apps, supporting both Android and iOS platforms, and allowing for cross-platform testing.
- Android A mobile operating system developed by Google, based on a modified version of the Linux kernel and other open-source software, widely used in smartphones and tablets.
- Apple A technology company known for its hardware products like the iPhone, iPad, and Mac, as well as software like iOS, macOS, and various development tools.
- Microsoft Windows A widely-used operating system for personal computers, developed by Microsoft, known for its graphical user interface and support for a wide range of applications.
- C# A modern, object-oriented programming language developed by Microsoft, widely used for building Windows applications, games, and enterprise software.
- C++A general-purpose programming language that supports procedural, object-oriented, and generic programming, widely used in system/software development, game development, and high-performance applications.
Let’s amplify your success together!
Request a Free QuoteApp 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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