In the corporate world, cloud computing and adoption are a strategy that many have adopted.
Interestingly, cloud services and strategies tend to improve with time. The latest trend in the cloud computing industry has been the adoption of cloud integration platforms.
In simplest terms, cloud integration is the act of amalgamating different cloud environments into a cohesive infrastructure for an organization. It brings together various software applications, data repositories, on-premises infrastructure, and IT environments for real-time accessibility and management.
The latest trend creating ripples in the cloud integration arena is iPaaS, or Integration Platform as a Service. iPaaS takes care of data and application integration, integration strategy, and business compliance. It also provides a simple solution for managing, developing, and integrating cloud applications.
Integration Platform as a Service (iPaaS) is a cloud-based solution that connects different applications, systems, and data across an organization. iPaaS automates integration tasks and supports real-time data sharing between cloud and on-premises environments, making it essential for hybrid IT ecosystems.
iPaaS is the backbone for connecting various software platforms, especially when you're comparing the best platform for integrating various business apps across your tech stack.
Businesses are increasingly asking: Which iPaaS is best for linking my business apps together? The answer depends on your specific needs, whether you're automating workflows or syncing software across teams.
iPaaS (Integration Platform as a Service) is a cloud-based solution that connects different business applications so data can flow seamlessly across your tech stack. It’s designed to help companies integrate SaaS tools, automate software workflows, and improve operational efficiency without heavy IT overhead.
If you’ve been wondering:
This guide breaks down how iPaaS works, what features to look for, and which platforms are best reviewed for small businesses, medium-sized companies, and enterprise integrations.
For an organization looking to accelerate its cloud strategy, choosing the right cloud integration platform early on is non-negotiable. Let’s examine the key features of an iPaaS solution that make it viable for business adoption.
iPaaS vendors must mandatorily ensure compliance with industry-standard security guidelines. They offer services such as fraud detection, easy audits, and real-time threat visualization for simplified cloud integration.
A robust iPaaS solution should always be accessible on a unified platform for all the shareholders in an organization. A unified platform also ensures data synchronization and core integration of existing applications across the enterprise.
Low-code environments and drag-and-drop UI are critical for faster integration and enable non-technical users to access and create automated tasks. An iPaaS solution should be extensible and use low-code service-oriented architecture in order to be accessible and agile enough to be used by an enterprise.
Cloud-native computing is an architectural style which provides scalability, accessibility and built-in redundancy to run applications in dynamic environments. An iPaaS solution is expected to be cloud-native in order to ensure maximum efficacy of cloud-integrated applications.
One of the top reasons businesses adopt iPaaS is for workflow automation. The top iPaaS for automating software workflows can simplify everything from lead capture to finance syncing, ensuring your systems talk to each other without constant manual effort.
Juggling multiple applications and data warehouses takes up a lot of resources and manpower for a growing business. With the advent of cloud computing, integrating resources on an organizational level has become feasible with the help of software such as iPaaS.
Whether you're a startup or scaling organization, the best iPaaS for small business software integration can offer enterprise-grade capabilities without enterprise-level complexity.
Here are the benefits iPaaS provides for a dynamically growing enterprise.
iPaaS providers present enterprises with an option to go for monthly or yearly cloud subscriptions, thus making it extremely cost-effective. It helps streamline the cloud strategy budget to a T. It also reduces the developer/asset pricing for customer integrations and takes care of the maintenance and storage of interlinked data sources as well. This makes iPaaS one of the most reliable iPaaS solutions for medium-sized businesses managing several cloud-based tools.
iPaaS solutions usually come with pre-built integration modules that allow organizations to accelerate the integration process, automate tasks, and not start everything from scratch. They also shorten the planning process and ensure that there is no redundancy in the tasks involved in the application integration.
For an agile and dynamic business structure, iPaaS provides the flexibility to grow the integration platform along with the business expansion and digital transformation. It also benefits small businesses by providing them access to benefit from enterprise-level SaaS resources. Likewise, leading iPaaS providers for app integrations ensure you’re not locked into rigid systems as you grow.
iPaaS ensures synchronized data and seamless application connectivity. It increases user productivity and efficiency since they don’t have to juggle multiple platforms to look for data they need or the application they want to use.
Real-time data tracking and visualization of changes in the business scenario is a feature provided by iPaaS solutions that enable organizations to stay ahead of their competitors and the market.
For resources shared with multiple tenants, there’s an issue of multiple instances being created for each user action. iPaaS allows shared resources among tenants, which leads to reduced costs and fewer instances overhead along with improved speed.
If your organization’s business model and cloud strategy are willing to embrace a shift in your cloud landscape, and if a service provider taking care of your application integrations is a viable option, iPaaS seems to be the apparent choice with less hassle to the existing infrastructure.
If we talk about the various benefits iPaaS offers, we also need to discuss the challenges that come with it.
Since the whole organizational data and applications are consolidated at a single platform in iPaaS, it greatly increases the risk of data vulnerability and misuse due to human error. Providing access to users without sufficient knowledge of data protection or security mechanisms may lead to a sensitive data breach at some point in time.
Adequate domain knowledge of users given access to iPaaS services and robust security mechanisms, and checks such as data encryption and password protection at each data point access, can eliminate this risk and ensure smoother operations through the cloud integration process.
Enterprise Service Bus (ESB) is an on-premise architecture model that allows applications to communicate through a series of rules and principles over a bus-like infrastructure. It integrates your applications over a communication bus and allows the applications to talk through the same.
Here are the primary differences in features between iPaaS and ESB:
ESB brings a company’s subsystems together in a single aggregated system. It follows a vertical flexibility model. This allows for a tightly controlled information flow, which is a quicker and cheaper alternative for a stable system, but doesn’t allow much room for further integrations.
iPaaS, on the other hand, follows a horizontal flexibility system, which allows cloud applications and systems to come together in a seamless way. It also allows for easy plug-ins and plug-outs, enabling the system to adopt and disconnect applications on demand.
ESB easily integrates on-premise complex IT architecture and legacy systems. iPaaS is designed to integrate on a more flexible and lightweight architecture, providing access for a real-time integration of cloud based services.
ESB solutions do not support multitenancy since they rely on a single service while handling a lot of users. Conversely, PaaS supports multitenancy, reducing ad hoc integration solutions costs and complexity.
iPaaS software provides a centralized solution to integrate, manage, and govern cloud-based applications by providing the appropriate tools to connect applications and control integration flows.
To qualify for inclusion in the iPaaS category, a product must:
If you're wondering which integration service is best for syncing business software, these five platforms consistently rank high in user satisfaction and technical performance. Here’s a breakdown of the best-reviewed iPaaS for enterprise app integration as well as those suited to small and medium-sized businesses.
*These are the five leading iPaaS software solutions from G2's Spring 2025 Grid® Report. Some reviews may be edited for clarity.
Celigo empowers organizations and IT users to integrate cloud-based applications. It helps in synchronizing data, automating processes, and streamlining operations during the integration process.
“Integrator.IO allows us to fully integrate NetSuite with our multiple eCommerce platforms & manage within a single, easy to navigate UI. The out-of-the-box connectors are well designed, yet customizable for specific use cases. Implementation is straightforward, and Celigo's implementation teams easy to work with. Daily workflow management & error handling is efficient. Customer service is prompt to respond & great to work with. The new UI has greatly expanded customization capabilities, for those needing more complex integrations beyond the standard connectors.”
- Celigo Review, Aaron S.
“While the product itself is robust, I'd urge new users/customers of Celigo to push for additional implementation hours early into the conversation while purchasing a new workflow. Additionally, there have been instances like duplicate SOs being generated in Netsuite due to a Salesforce upgrade. This is an understandable problem we've seen with other Netsuite integrations and the Celigo team is constantly working towards making this seamless.”
- Celigo Review, Daanish A.
Workato leverages machine learning and patented technology to create fast automation modules and enables companies to drive real-time outcomes from business events.
“The platform is easy to use. Operational management is easy to track through job logs. The varied API connection capability makes the speed to market / MVP much quicker and allows the automated / integrator to focus on business logic rather than low-level technical connection issues.
Documentation and community questions are wide-ranging meaning anything I want to investigate into further has ample information to assist me.”
- Workato Review, Adrian C.
“It would be great if we can select certain steps and just run those few steps instead of the whole recipe. This is especially helpful when our recipes are too long and we are troubleshooting some parts. Another pain point is to shift multiple parts of a recipe (Eg like a Ctrl button and choose the steps we want) instead of manually shifting one step at a time.”
- Workato Review, Grace F.
Zapier provides code-free application integration to growing businesses and helps them with a cost-effective automation module. It's widely considered one of the best services for integrating multiple SaaS applications, especially for startups and lean teams.
“It's quick to use, it's incredibly inexpensive, subsidized for non-profit applications, and it fits for almost any application. No developer or freelancer needs to recruit. You may set it irrespective of the budget or organization's scale. I like it will, for example, collect data from one source to a Google Sheet, and then trigger another rule from this sheet. It's helpful to customize those zaps to simplify a process when you don't have the money in your squad to function right away.”
- Zapier Review, Erick C.
“There are cases in which Zapier may not be able to handle this when you need tight two-way integration of two systems, and you have to shift towards a more business process friendly solution. Even if a mobile device is available, the most important thing, is that the Web version does not provide well-structured multi-fault support in one of its functionalities, which is seen as a convenience by Zapier cus, is the telephone support for each user who has the application downloaded into the mobile desks.”
- Zapier Review, Garnette L.
Albato is a user-friendly integration platform that helps small businesses automate software workflows and eliminate manual tasks. With its intuitive drag-and-drop builder, it’s among the best iPaaS for small business software integration. If you’re asking what's the top iPaaS for automating software workflows, Albato is a strong contender with growing popularity.
"I am migrating all my solutions from make.com to Albato. The number of operations and the way they charge per operation make it much more profitable than Zapier, N8N, or Make. Customer Support is amazing. Pedro, who talked to me, helped me solve everything to set my automation in almost real time—no ticket, no e-mail, just an open chat with an actual human. 10 out of 10."
- Albato Review, Gabriel E.
“While Albato.com is an impressive automation tool with a wide range of apps, one area that could use improvement is the overall availability of specific applications. Although the app integrator feature allows users to add missing apps, it may not always be as seamless or intuitive as expected. Some users might find the process of integrating new apps a bit cumbersome, especially if they are not tech-savvy. However, the app integrator has to manually add an app or submit an app to the roadmap, making Albato ready to quash any weakness!"
- Albato Review, Guilherme T.
DBSync Cloud Workflow is a low-code iPaaS designed for syncing data across accounting, CRM, and eCommerce systems. It's one of the most reliable iPaaS solutions for medium-sized businesses looking to connect Salesforce, QuickBooks, and Shopify without custom dev work. Ideal if you're evaluating which integration service is best for syncing business software with minimal hassle.
“Any businesses looking to integrate their cloud applications with QuickBooks Desktop should look no further. We've been using DBSync for over a year now, and we're very happy with our decision to use their Cloud Workflow tool to integrate our Salesforce instance with QuickBooks Desktop. Their application uses the QB Web Connector and runs seamlessly to streamline our internal processes while reducing duplicated data entry efforts between both systems. We rarely run into any issues, but when we do, their customer support team works to get our business up and running quicker than expected. We've worked closely with Arpitha on a number of items, including a recent query update, and we appreciate that she always goes above and beyond to serve our DBSync needs.
- DBSync Cloud Workflow Review, Tyler H.
“The only downside is the lack of user-friendliness of running the sync manually. In my business workflow, we must run the sync manually, and the manual process of running the sync requires several steps."
- DBSync Cloud Workflow Review, Alexis T.
The best iPaaS for linking business apps depends on your team size and ecosystem. Zapier and Albato work well for smaller teams that need fast, no-code automation. For larger or more complex environments, Workato and MuleSoft offer enterprise-grade flexibility to connect CRM, ERP, and marketing platforms under one umbrella.
If workflow automation is your goal, Workato and Celigo stand out for their rich logic-building tools and advanced triggers. Due to their robust prebuilt connectors and real-time execution capabilities, these platforms are widely considered among the top iPaaS for automating software workflows.
G2 reviewers rank Zapier, Dell Boomi, and Workato as the top-rated integration platforms for software apps. These solutions simplify app-to-app communication and offer strong community support, scalability, and reliability across multiple business scenarios.
Zapier and Celigo are top picks for integrating SaaS apps like HubSpot, Slack, NetSuite, and Gmail. They offer purpose-built connectors and scalable templates, making them the best services for integrating multiple SaaS applications across departments.
The best platform for integrating various business apps is one that supports both cloud-to-cloud and hybrid environments. MuleSoft excels here with its API-led approach, while Celigo offers a flexible middle ground for fast-growing teams that want customization without complexity.
The leading iPaaS providers for app integrations include MuleSoft, Workato, Zapier, Dell Boomi, and Celigo. These platforms have earned their reputation through consistent innovation, scalability, and high ratings on platforms like G2.
Workato and MuleSoft are often named the best-reviewed iPaaS for enterprise app integration due to their advanced automation, API management, and security features. They’re ideal for organizations managing hundreds of integrations and workflows across multiple departments.
Zapier, Albato, and Integromat are well-suited for startups and SMBs. Their affordability and ease of use make them the best iPaaS for small business software integration, especially for non-technical teams needing quick wins.
DBSync Cloud Workflow, Celigo, and Dell Boomi strike a balance between affordability and customization. Thanks to their robust connectors and customer support, these platforms are considered among the most reliable iPaaS solutions for medium-sized businesses.
If syncing tools like Salesforce, QuickBooks, or Shopify are your top priority, look at DBSync, Celigo, or Zapier. These integration services are often cited as the best for syncing business software across sales, finance, and operations platforms in real time.
Hybrid cloud integration solutions are being rapidly adopted worldwide, with a growth rate of 14% predicted over the next three years. iPaaS has positioned itself as a viable solution for businesses of all sizes looking to move toward an integrated cloud solution.
Whether you're a solo founder or managing enterprise infrastructure, choosing the best iPaaS for small business software integration or a top-rated integration platform for software apps can redefine how your organization operates.
Don’t settle for any old cloud computing service. Help your business grow by choosing from a plethora of hand-selected options for your business needs!
Dibyani is a former Content Marketing Specialist at G2. In her free time, you can find her scribbling fanfiction and brushing up her knowledge on various fandoms (Harry Potter, mostly).
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