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IETester vs VMware vSphere Hypervisor

Professional comparison and analysis to help you choose the right software solution for your needs.

IETester icon
IETester
VMware vSphere Hypervisor icon
VMware vSphere Hypervisor

IETester vs VMware vSphere Hypervisor: The Verdict

⚡ Summary:

IETester: IETester is a free utility that allows you to test websites in different versions of Internet Explorer on the same computer. It simulates IE 5.5 to IE 11 without needing multiple virtual machines.

VMware vSphere Hypervisor: VMware vSphere Hypervisor is a free bare-metal hypervisor that virtualizes servers to enable the running of multiple operating systems on a single physical server. It provides a simple, reliable and secure foundation for business-critical applications.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature IETester VMware vSphere Hypervisor
Sugggest Score — —
Category Web Browsers System & Hardware

Product Overview

IETester
IETester

Description: IETester is a free utility that allows you to test websites in different versions of Internet Explorer on the same computer. It simulates IE 5.5 to IE 11 without needing multiple virtual machines.

Type: software

VMware vSphere Hypervisor
VMware vSphere Hypervisor

Description: VMware vSphere Hypervisor is a free bare-metal hypervisor that virtualizes servers to enable the running of multiple operating systems on a single physical server. It provides a simple, reliable and secure foundation for business-critical applications.

Type: software

Key Features Comparison

IETester
IETester Features
  • Simulates different versions of IE on a single machine
  • Supports testing in IE5.5 to IE11
  • Lets you switch between IE versions easily
  • Shows side-by-side comparisons of sites in different IE versions
  • Lightweight and easy to use
VMware vSphere Hypervisor
VMware vSphere Hypervisor Features
  • Bare-metal hypervisor architecture
  • Supports 64-bit guest operating systems
  • Built-in VMware Tools
  • Distributed Resource Scheduler
  • High Availability
  • vMotion
  • Storage vMotion
  • Fault Tolerance

Pros & Cons Analysis

IETester
IETester

Pros

  • Saves time compared to using multiple virtual machines
  • Easy way to test cross-browser compatibility
  • Free and open source
  • Portable version available
  • Allows testing old IE versions still used by some users

Cons

  • Only simulates IE, no other browsers
  • Some features may not behave exactly like native IE installs
  • Need to reinstall for major IE version updates
  • Limited customization options
VMware vSphere Hypervisor
VMware vSphere Hypervisor

Pros

  • Free and open-source
  • Easy to install and configure
  • Good performance
  • Wide ecosystem support
  • Centralized management
  • Live migration of VMs
  • High availability features

Cons

  • Limited features compared to paid ESXi
  • No official support services
  • Less scalability than paid versions
  • Limited to 8 vCPUs per VM

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Learn More About Each Product

IETester
IETester
Reviews, pricing & alternatives →
VMware vSphere Hypervisor
VMware vSphere Hypervisor
Reviews, pricing & alternatives →

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