IIS vs Zend PHP Engine comparison

Why PeerSpot?

Microsoft and Zend are both solutions in the Application Infrastructure category. Microsoft is ranked #2 with an average rating of 8.3, while Zend is ranked #15 with an average rating of 8.0. Microsoft holds a 6.4% mindshare in AIS, compared to Zend’s 2.6% mindshare. Additionally, 90% of Microsoft users are willing to recommend the solution, compared to 100% of Zend users who would recommend it.

IIS

Read 61 IIS reviews

6,460 Views
4,264 Comparison Views

90% willing to recommend

Zend PHP Engine

Read 11 Zend PHP Engine reviews

1,517 Views
1,517 Comparison Views

100% willing to recommend

IIS

Zend PHP Engine

Comparison Buyer's Guide

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Executive SummaryUpdated on Jun 3, 2026

Zend PHP Engine and IIS are key players in the web server arena. Zend PHP Engine holds an edge with its focus on PHP applications, providing superior runtime performance and flexibility, while IIS excels in Microsoft environment integration.

Features: Zend PHP Engine stands out for executing PHP scripts, offering robust debugging tools, seamless PHP deployment, and enhanced runtime performance. It excels with PHP-centric operations and integration. IIS provides a comprehensive suite of tools, notably its management console, enabling smooth operation within Windows ecosystems. It's valued for stability, ease of use, and security enhancements.

Room for Improvement: Zend PHP Engine could enhance compatibility with non-PHP languages, streamline multi-environment deployments, and improve support for various integration tools. IIS might benefit from refining its cross-platform capabilities, simplifying configuration for non-Windows environments, and enhancing support for third-party applications to widen its usability.

Ease of Deployment and Customer Service: Zend PHP Engine offers flexible, PHP-centered deployment with a focus on customizable PHP setups and PHP-specific troubleshooting support. IIS offers streamlined deployment in Microsoft environments, backed by ample documentation and robust enterprise-grade support, enhancing overall user confidence.

Pricing and ROI: Zend PHP Engine involves higher setup costs due to licensing for premium features, yet delivers strong ROI through enhanced PHP project performance. IIS is perceived as more cost-effective, especially for organizations already within Microsoft's ecosystem, offering high ROI potential due to seamless integration and scalability benefits.

To learn more, read our detailed IIS vs. Zend PHP Engine Report (Updated: September 2026).

Buyer's Guide

IIS vs. Zend PHP Engine

September 2026

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Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:

Categories and Ranking

IIS

Ranking in Application Infrastructure

2nd

Average Rating

8.2

Reviews Sentiment

6.7

Number of Reviews

Ranking in other categories

Application Server (4th)

Zend PHP Engine

Ranking in Application Infrastructure

15th

Average Rating

8.0

Reviews Sentiment

7.6

Number of Reviews

Ranking in other categories

No ranking in other categories

Mindshare comparison

As of September 2026, in the Application Infrastructure category, the mindshare of IIS is 6.4%, down from 10.5% compared to the previous year. The mindshare of Zend PHP Engine is 2.6%, up from 1.5% compared to the previous year. It is calculated based on PeerSpot user engagement data.

Application Infrastructure Mindshare Distribution
Product	Mindshare (%)
IIS	6.4%
Zend PHP Engine	2.6%
Other	91.0%

Application Infrastructure

Featured Reviews

Krishnakumar Natarajan

Systems Engineer at Atos

Designs and manages multiple websites while ensuring data backup and disaster recovery

I have experience with AWS, and I am most familiar with the server environment, as we just use the server environment and then use Microsoft products on an AWS environment. I have experience with Windows Server IIS, which I ran on my own on-premise data center. The website was developed and then hosted, and through IIS, we managed the servers. The manageability within the IIS environment is not very difficult. For server management, you need to ensure data backup, data restore, and you have a DR configured to keep the database intact. It was done on-premises, so I had no problem doing that. If you have to go to the cloud, then you should have the storage connected to the IIS server and also have a DR set up for that. I didn't use Microsoft Azure tools, but since it is a Microsoft product, Azure has all the portability, so you don't have to worry about compatibility on the cloud. On a scale of 1-10, I would rate this solution a 10.

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Marco Wwrthon

CEO at VonatelNetworks

Effective network data analysis with customization capabilities and an open-source model

We use Zend PHP Engine in a government project to develop a tool for network monitoring analysis. We utilize the tool to collect all the network data for a platform PHP allows us to personalize a solution if the customer desires. This flexibility is beneficial. Zend PHP Engine is a good tool for…

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Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:

Pros

"The solution is highly reliable."

"The product is scalable."

"Stability-wise, I rate the solution a nine out of ten...Scalability-wise, I rate the solution a nine out of ten."

"The solution is easy to use, easy to maintain and isn't too technical."

"IIS is a stable solution for .NET applications."

"IIS is useful for the deployment of web applications...Its stability is good."

"The initial setup of IIS is easy. The process takes only five minutes."

"The tool is very easy to use and efficient."

More IIS pros

"This solution is really easy for me to use."

"The most valuable feature of this solution is the speed at which it compiles and sends the dynamic cache."

"Faster web app implementation, when PHP dev is required by customers."

"No issues with stability encountered."

"Zend Engine is the core of PHP. It makes PHP fast, efficient, and basically, the language of choice for web applications."

"It offers good support for various types of classes, along with many open source libraries that we can readily utilize in our application development process. This gives us a lot of options when it comes to custom development solutions, without having to worry about licensing or other programming-related issues."

"The cache modules that Zend provides have been able to optimize and accelerate the loading of the pages when there was exponential growth in data volume and quantity of requests. At the same time, the monitoring console allowed us to have a real-time understanding of the resources and to make decisions when they were at the limit."

"Zend PHP Engine is more secure than any other framework, and I usually prefer Zend PHP Engine for big applications."

More Zend PHP Engine pros

Cons

"Having no support for other than a Microsoft environment and programming languages limits the usage of IIS in many cases."

"Finding the correct options are not more intuitive, and it should be."

"Sometimes if you are using IIS in large-scale scenarios, meaning that if you are deploying an application within IIS service and you are expecting a large number of users to use this application, you can sometimes find some problems, meaning that the service can shut down by itself unexpectedly if you don't configure your IIS with the correct configuration that can handle this number of users."

"The solution's stability needs improvement."

"We've never had any issues with the solution, but it's still nice to have overall improvements on it. It could be easier and faster to use, for example."

"The only disadvantage I see is that the documentation is a bit difficult to find."

"The solution's black box is not fast."

"We'd like future versions to be more stable."

More IIS cons

"A general scripting language should be further developed and should be embedded into it."

"Although it offers a complete environment to develop and deploy PHP applications, it has some limitations. For example, when the volume of data increased exponentially, I had problems scaling the system."

"The biggest problem with PHP is you have to write lot of conditions or have to use a framework."

"SQL queries have always been an issue with PHP, especially if you use large tables, which require caution from the side of the developer."

"Its object oriented programming language needs improvement."

"Zend PHP Engine needs to improve the loading time of its libraries and make it faster."

"The main area that Zend needs to improve is to support asynchronous programming tasks, which is facilitated in PHP 7, but not at the same degree as HHVM."

"Integrating AI tools would make PHP more competitive, as other tools already have AI features."

More Zend PHP Engine cons

Pricing and Cost Advice

"The yearly licensing cost is very high. The solution is very expensive."

"The product's price is not high."

"The tool is included with Windows."

"This solution comes included with Windows Server."

"IIS is expensive."

"The cost for IIS is already included in Windows services. We don't have to pay anything extra."

"We pay a yearly licensing fee for the solution."

"They offer a one-time payment model for the product license, and we pay annually for support."

More IIS pricing and cost advice

"Its pricing depends on the number of users."

"Zend PHP Engine is not an expensive solution."

"No problem with pricing and licensing, as tools are open source. You have to consider training cost, mindset setup cost, as part of the TCO."

"The Zend PHP engine is open source technology, so there's no need for us to worry about licensing or other costs."

"The solution is open source and you just pay for the server cost."

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Top Industries

By visitors reading reviews

Financial Services Firm

13%

Manufacturing Company

11%

Comms Service Provider

10%

Construction Company

19%

Comms Service Provider

15%

Financial Services Firm

15%

Manufacturing Company

15%

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

By reviewers
Company Size	Count
Small Business	30
Midsize Enterprise	12
Large Enterprise	22

By reviewers
Company Size	Count
Small Business	9
Large Enterprise	2

Questions from the Community

Which is better - IIS or NGINX Plus?

IIS is a flexible, secure, and manageable web server to host anything on the web. IIS’s scalable and open architecture can handle the most demanding tasks. From media streaming to web applications,...

See all answers

What is your experience regarding pricing and costs for IIS?

For the pricing, setup cost, and licensing for IIS, as a Microsoft product, I didn't think much about separately purchasing an IIS product as it is part of Microsoft Windows. We bought a developmen...

See all answers

What needs improvement with IIS?

I see that IIS has maintained the same interface for a long time, so they could potentially use more automation or integrate Copilot into it to make it easier to use. I have not accessed or checked...

See all answers

What is your experience regarding pricing and costs for Zend PHP Engine?

PHP is an open-source solution.

See all answers

What needs improvement with Zend PHP Engine?

Integrating AI tools would make PHP more competitive, as other tools already have AI features.

See all answers

What is your primary use case for Zend PHP Engine?

We use Zend PHP Engine in a government project to develop a tool for network monitoring analysis. We utilize the tool to collect all the network data for a platform.

See all answers

Comparisons

NGINX Plus vs IIS

Compared 12% of the time

Apache Web Server vs IIS

Compared 11% of the time

Tomcat vs IIS

Compared 8% of the time

Oracle WebLogic Server vs IIS

Compared 6% of the time

Windows Server AppFabric vs IIS

Compared 5% of the time

More IIS Competitors

NGINX Plus vs Zend PHP Engine

Compared 17% of the time

Apache Web Server vs Zend PHP Engine

Compared 16% of the time

Atos DirX Directory vs Zend PHP Engine

Compared 15% of the time

Microsoft .NET Framework vs Zend PHP Engine

Compared 7% of the time

JBoss Enterprise Application Platform vs Zend PHP Engine

Compared 4% of the time

More Zend PHP Engine Competitors

Product Reports

Buyer's Guide

IIS

September 2026

Download IIS product report

Buyer's Guide

Application Infrastructure

September 2026

Download Zend PHP Engine product report

Also Known As

Windows Server IIS

PHP Engine

Overview

IIS is a web server platform recognized for strong security, high performance, and seamless Windows integration. It offers an intuitive setup, emphasizing resource efficiency, scalability, and robust performance.

Internet Information Services provides a comprehensive solution for hosting and managing web applications. Known for its security and integration capabilities, it features a user-friendly interface that simplifies server management. Its application pool isolation and performance make it highly reliable. However, configuration challenges, lack of detailed documentation, and difficulties in integrating with non-Windows environments are noted. Large-scale deployments sometimes encounter clustering and scalability issues, and improvements are needed in memory management and monitoring tools. Despite these areas for improvement, compatibility with Microsoft products and zero need for separate licensing are convincing benefits for many users.

What features make IIS stand out?

Security Features: Enhances security with single sign-on and SSL support.
Performance: Designed for high efficiency and reliability.
Integration: Seamless compatibility with Windows and Microsoft products.
User Interface: Straightforward setup aids in easy management.
Scalability: Able to efficiently scale with resource demands.

What benefits should be reviewed?

Resource Efficiency: Provides cost-effective resource management.
Scalability: Easily adapts to growing application demands.
No Licensing Cost: Eliminates additional licensing expenses.
Microsoft Integration: Offers seamless use with Microsoft ecosystems.

Organizations employ IIS for a range of applications. These include hosting web applications accessible externally, managing internal projects, and supporting infrastructure such as DNS and DHCP. Companies leverage its database management capabilities, integration with Active Directory, and secure communication via SSL. In fields like healthcare, IIS supports internal information systems and on-premise deployments.

Microsoft

Zend PHP Engine provides a powerful development environment with open-source capabilities, essential for creating custom applications on Linux servers. It offers comprehensive support for various coding practices and tools, allowing seamless application management.

This engine serves as the core of PHP’s performance, supporting efficient custom web application development with features like strong class support and compatibility across hardware and software platforms. It offers a robust environment with PHP, MySQL, and Zend Server, promoting effective deployment and real-time monitoring. The community's significant support aids developers in crafting versatile applications suited to dynamic project requirements.

What are the key features of Zend PHP Engine?

Class Support: Offers robust handling of classes for structured development.
Open-Source Libraries: Provides extensive resources without licensing hurdles.
Development Environment: Integrates PHP, MySQL, and Zend Server for easy deployment.
Performance: Central to PHP’s efficiency with improved memory management.
Extensibility: Allows flexibility through external modules for large applications.

What benefits should users expect?

Custom Development: Facilitates the creation of tailored applications with minimal coding.
Hardware and Software Compatibility: Ensures seamless integration across platforms.
Community Support: Access to a broad knowledge base for development challenges.
Realtime Monitoring: Provides tools for tracking application performance immediately.

Developers utilize Zend PHP Engine in various fields, leveraging its capabilities to build network monitoring tools, manage complex databases, and create bespoke business applications. Its effectiveness extends to CMS, HRMS, and multi-vendor app development. The engine's flexibility reduces the requirement for extensive coding, streamlining the development process across industries.

Zend

Sample Customers

Erste Bank Group, NJVC, Samsung Electronics, Sheraton Hotels and Resorts, Tata Steel Europe, Urban Software Institute

Cisco

Buyer's Guide

IIS vs. Zend PHP Engine

September 2026

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