List of the Top 9 Web App Development Platforms for Microsoft 365 in 2025

PerfectApps empowers you to design fully tailored no-code solutions independently. Experts in various fields can create enterprise-grade web applications, forms, and reports in a matter of days or weeks, eliminating the lengthy coding process. With a user-friendly visual designer, you can effortlessly drag and drop ready-made components onto a canvas to construct your entire application. This no-code methodology effectively eliminates coding as an obstacle between innovative ideas and practical solutions. The advantages of this approach are significant: Accelerated Delivery. Organizations gain enhanced agility, allowing them to implement solutions more swiftly to meet essential operational requirements. The speed of no-code development is estimated to be ten times that of conventional methods (Forrester, 2019). Increased Accessibility. Subject matter experts can independently create their own web applications without programming knowledge, alleviating the strain on already busy IT departments. By 2022, the demand for application development is expected to exceed IT's ability to supply by a factor of five, as reported by Gartner. Cost Efficiency. The process of app development can be decentralized across the organization, leading to lower overall operating expenses and heightened productivity. Businesses have indicated that employing no-code app builders can lead to a remarkable 74% reduction in development costs (Forrester, 2020). Furthermore, as organizations increasingly adopt this innovative approach, the potential for streamlined operations and enhanced collaboration grows exponentially.

A dependable and versatile option for creating mobile applications is essential in today’s market. The reality is that while the need for app development is on the rise, there is a notable lack of IT resources available to meet this demand. This gap is effectively bridged by AppSheet, a no-code platform that enables virtually anyone to design and deploy applications. It allows business users and members of various teams to take the initiative in app development. Nonetheless, it is vital to maintain a centralized framework for oversight and governance through AppSheet for the Enterprise. This platform stands out as a reliable tool for building, distributing, and managing mobile applications. It encourages innovation, flexibility, and quick responses within your organization while also upholding strong security and governance protocols. By providing a cohesive environment that links data and applications, it integrates seamlessly with Google Workspace. Furthermore, you can connect with Google Workspace applications such as Gmail, Sheets, and Spaces, as well as external platforms like Office 365, Dropbox, and Salesforce.com. The integration capabilities extend to SQL databases, Apigee, REST APIs, and OData, making it an all-encompassing solution for your app development requirements. Ultimately, AppSheet not only streamlines the app development process but also fosters enhanced collaboration among teams, creating a more efficient workflow and enabling quicker project turnaround times.

The Neptune DX Platform, also known as Neptune DXP, serves as a rapid application development environment. This platform utilizes a low-code/no-code approach to facilitate the digitization and enhancement of business processes as well as user interfaces. Central to this platform are two distinct modules that offer similar functionalities: the Neptune DXP - SAP Edition, which is an add-on for SAP ABAP, and the Neptune DXP - Open Edition, which is based on Node.js. Both versions of Neptune DXP are designed to accelerate enterprise application development, promote code reusability, and streamline change management. Our philosophy is that with these two editions, Neptune DXP provides a leading, centralized platform for integrated and scalable app development, while also delivering the best interface for all SAP systems, including SAP S/4HANA and C/4HANA, through our direct integration with NetWeaver ABAP. This dual offering ensures that businesses can efficiently adapt and optimize their digital solutions.

Sterlo is an Enterprise No-Code Platform that enables users to develop both Web and Mobile Applications without any coding requirements. Tailored for organizations of varying sizes and across multiple sectors, Sterlo offers exceptional autonomy and versatility in crafting comprehensive applications. With a wide array of functionalities, Sterlo includes secure authentication, custom data connections, a document management system, and communication management tools. Furthermore, Sterlo serves as a catalyst for digital transformation, significantly altering the landscape of application development globally while streamlining processes for businesses. This platform not only enhances productivity but also allows companies to innovate and adapt more rapidly to market demands.

Microsoft Power Apps empowers individuals to swiftly craft and share low-code applications, enhancing organizational flexibility while addressing complex challenges. Teams can effortlessly develop and deploy applications using ready-to-use templates, benefiting from an intuitive drag-and-drop interface for rapid implementation. Continuous enhancements can be rolled out as needed, ensuring the apps evolve with the organization’s requirements. This platform enables everyone to create the applications they need, offering advanced features that were once exclusive to professional developers, such as integrated AI components. Additionally, professional developers can utilize Azure Functions and custom connectors to expand app functionalities and integrate with proprietary or on-premises systems. With a library of over 260 connectors, users can link their applications to a multitude of data sources seamlessly. The Common Data Service consolidates data into a single source of truth, facilitating the modernization of processes while allowing for tailored adjustments and extensions to Office 365, Dynamics 365, and other products. Ultimately, this capability fosters a culture of innovation by enabling users at all levels to engage in app development and customization.

ACE4J, the Adaptive Calculation Engine for Java, provides a reliable means of converting Excel-based applications into web formats, ensuring cost-effectiveness and simplifying long-term maintenance and support. It boasts a modern formula language built on a robust calculation framework, adept at managing complex Excel formulas with remarkable ease. This capability positions it as an ideal choice for Java web applications that require significant computational power. Specifically designed as a Java API, ACE4J interprets formulas in the Microsoft Excel style and encompasses a comprehensive set of commonly used Excel functions, making it suitable for applications that rely on heavy calculations. Each iteration of the Adaptive Calculation Engine broadens the scope of available formulas and features, incorporating user insights and boosting its functionality. Moreover, the engine can efficiently process thousands of formulas within seconds, highlighting its exceptional performance and efficiency. This impressive speed and versatility render ACE4J an essential tool for developers aiming to enhance their applications effectively. As technology evolves, ACE4J continues to adapt, guaranteeing its relevance and utility in the ever-changing landscape of software development.

You don't need any experience in coding or app development to quickly create web applications tailored to any kind of business. With just text prompts, you can effortlessly design a custom database web application suited for various business needs in a matter of minutes. By starting with AI, you can leverage user-friendly tools that allow you to modify your data models, pages, charts, and dashboards without writing a single line of code. Alternatively, you can opt to construct your application independently, whether with AI assistance or not. Once your app is ready, you can deploy it on a dedicated Aire hub instance. You have the flexibility to incorporate advanced features, custom designs, permissions, complex workflows, and integrate third-party services. Aire is capable of developing web applications for organizations across all sectors, ensuring efficient record management. The Aire AI Assistant automates the generation of charts, dashboards, and user interfaces, while also giving you the option to manually edit or create new visualizations as needed. This empowers you to tailor your applications precisely to your specifications.

Mendix, a subsidiary of Siemens and a frontrunner in the realm of enterprise low-code solutions, is revolutionizing the delivery of applications within digital enterprises. The Mendix platform empowers organizations to 'Make with More' by enhancing their development capabilities to address the software development bottleneck effectively. It also promotes 'Make it Smart', enabling the creation of applications that offer rich native experiences while being intelligent, proactive, and contextual. Furthermore, 'Make at Scale' facilitates the modernization of core systems and the development of extensive app portfolios. Designed to foster robust collaboration between IT and business teams, Mendix significantly speeds up the application development process without compromising on quality, security, or governance. This approach enables enterprises to make significant strides into their digital future. Thousands of prominent companies, including Conoco Phillips and the Business Development Bank of Canada, have embraced the Mendix platform, alongside industry leaders such as Post NL, Continental, and Zurich Insurance, further validating its impact in the enterprise application landscape.

Say goodbye to unreliable Excel spreadsheets and embrace the future of app development. Imagine a cloud-based platform that empowers you to create applications without needing to know how to code. This platform allows you to integrate Excel-like formulas, accommodating nearly 400 different functions, directly into the fields of your app. These formulas can dictate various functionalities, such as determining which fields are visible, selecting report recipients, and controlling button activation, all while flagging any potentially erroneous values. With our user-friendly DIY design tool, you can effortlessly craft your app and utilize the live preview feature to make adjustments before launching it with just a click. Since the apps are accessible through any web browser, there's no requirement for your IT team to handle installations. Additionally, validation features can be implemented to catch erroneous inputs or outputs early, leading to a more seamless user experience and improved reliability. This revolutionary method not only streamlines the process of app creation but also significantly enhances productivity by minimizing dependence on traditional spreadsheet methods, ultimately transforming how businesses operate. By making app development accessible to everyone, it opens up new possibilities for innovation and efficiency in various industries.