--- title: FlexSim Reviews meta_title: 'FlexSim Reviews 2026: Details, Pricing, & Features | G2' meta_description: Filter 57 reviews by the users' company size, role or industry to find out how FlexSim works for a business like yours. aggregate_rating: rating_value: 4.4 review_count: 57 scale: '5' date_modified: '2026-07-07' parent_category: name: Process Automation url: https://www.g2.com/categories/process-automation --- # FlexSim Reviews **Vendor:** FlexSim Software Products **Category:** [Business Process Simulation Software](https://www.g2.com/categories/business-process-simulation) **Average Rating:** 4.4/5.0 **Total Reviews:** 57 ## About FlexSim FlexSim is 3D simulation modeling software, transforming your existing data into accurate predictions. Our clients are engineers and decision makers who see the potential in a process that could be improved. Our approach goes way beyond spreadsheets. It combines powerful statistical analysis with 3D visualization, allowing you to test "what if" scenarios in a risk-free virtual environment. Our clients use it to make smarter decisions where it really counts-in the real world. In order to truly understand your production, logistical, or healthcare system, you need to account for the hundreds or thousands of complex, interrelated actions that occur each and every day. Add in the random behavior that always occurs in the real world, and you have a scenario that can't be accurately considered through traditional analysis methods. By building and evaluating a digital twin of your process, simulation provides EXACTLY this level of accuracy and results. Uncover the true cause of a production bottleneck. Find the right tweaks to power up your order picking speeds. If you can identify an area for improvement, simulation with FlexSim can help you solve the problem. ## FlexSim Pros & Cons **What users like:** - Users appreciate the **accuracy of simulations** in FlexSim, effectively replicating real-time environments and factory interactions. (1 reviews) - Users find FlexSim to be a **powerful, innovative simulation tool** that accurately models real-time environments and interactions. (1 reviews) **What users dislike:** - Users experience **performance issues** with FlexSim as larger models slow down simulation speed and cause unexpected closures. (1 reviews) - Users experience a **slow simulation** as model size increases, leading to frustration and the potential loss of work. (1 reviews) ## FlexSim Reviews ### 1. FlexSim is a Very good software tool for Discrete Event Simulation engineers and Digital Twin. **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Manufacturing | Enterprise (> 1000 emp.) **Reviewed Date:** September 12, 2023 **What do you like best about FlexSim?** As FlexSim user from last 5yrs, what I appreciate most about this software is its user-friendly interface, modeling capabilities, and 3D visualizations. FlexSim simplifies complex simulations with its drag-and-drop features and 3d object libraries. The customization and scripting options are flexible. The support and user community of Flexsim answers make problem-solving easy. its an invaluable tool for my work. Especially I like Process Flow, Tree Nodes API, GUI building option with JS support, external DB connection, External programming(Python) support, HTTP host for connection REST API's and list of statistical disrtibutions available to use in coding. **What do you dislike about FlexSim?** Flexsim not yet properly developed Git repositories for Python libraries to control Flexsim externally, manual method takes huge time. Reinforcement Learning need more detailed docimentation and a detail video on how to use with proper use cases. Need to develop new feature, while coding if the object is selected it should highlight in model, so it makes more visually good and comfertable to decode bugs. Need to add Google sheets data import and export options like excel. **What problems is FlexSim solving and how is that benefiting you?** FlexSim is an very good tool for industrial engineers, supports in solving bottlenecks analysis, MTTR and MTBS analysis and optimization, material flow management, and effective WIP control. It's a best tool for streamlining processes and enhancing production efficiency ### 2. A great digital twin software **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User in Mechanical or Industrial Engineering | Small-Business (50 or fewer emp.) **Reviewed Date:** May 21, 2024 **What do you like best about FlexSim?** The ability to customize many options, real-time processing views and the ability to summarize the outcomes. **What do you dislike about FlexSim?** I wish there were more options to customize human aspects and ergonomics. **What problems is FlexSim solving and how is that benefiting you?** allows me to simulate the "what-if" situations at a much lower cost and time ### 3. Flexsim review **Rating:** 4.5/5.0 stars **Reviewed by:** Verified User in Manufacturing | Enterprise (> 1000 emp.) **Reviewed Date:** December 03, 2023 **What do you like best about FlexSim?** The support and help page alongside the live team is very good and active for flexsim, so even a beginner can learn and move through the software quite easily. I have mastered a lot of complex in the past 5 months, before which I was a beginner in the software. **What do you dislike about FlexSim?** There are a few minor and rare bugs here and there but nothing that the support team couldn't help with. **What problems is FlexSim solving and how is that benefiting you?** Designing line simulations of my manufacturing lines to understand throughput due to various input conditions ### 4. Great working with such an interactive tool **Rating:** 5.0/5.0 stars **Reviewed by:** Moosa kaleemullah S. | Smart manufacturing engineer, Enterprise (> 1000 emp.) **Reviewed Date:** March 02, 2023 **What do you like best about FlexSim?** Powerful innovative and interactive tool simulating tool with accurate results.it does provide u to simulate the real time environment. Everything in real time could be simulated starting from the breakdowns to small stoppages and interaction of resources in the factory premises **What do you dislike about FlexSim?** Issues with the model as the mode size increases the simulating speed reduces.apart from from this the model closes itself creating issues to the user , as the user has to rework on the model from the start. **What problems is FlexSim solving and how is that benefiting you?** Average wip calculations, max wip evaluation , Model feasibility ,best placement of the machine in a given space. ### 5. Flexsim: A powerful tool for business and research **Rating:** 5.0/5.0 stars **Reviewed by:** Pradeep A. | Student, Small-Business (50 or fewer emp.) **Reviewed Date:** August 18, 2022 **What do you like best about FlexSim?** Flexsim is an amazing software that allows to simulate and optimize any tasks. It is very user-friendly and has a wide range of features that can be customized according to the needs. Flexsim has helped me immensely in my research projects. It allows me to test out different scenarios and see which one is the most efficient. I highly recommend Flexsim to anyone who wants to improve their business processes or use it for research purposes. **What do you dislike about FlexSim?** Flexsim should create more resources (tutorials, how-to videos, etc.) to help users get the most out of the software. Additionally, the user interface looks old and it could be improved. **What problems is FlexSim solving and how is that benefiting you?** Flexsim is solving the problem of inefficient business processes. This is benefiting me by allowing me to research different scenarios and find the most efficient one. ### 6. FlexSim is a complete simulation software. **Rating:** 5.0/5.0 stars **Reviewed by:** João V. | Researcher, Mid-Market (51-1000 emp.) **Reviewed Date:** October 10, 2022 **What do you like best about FlexSim?** FlexSim has a friendly interface with useful 3D module. For me, the best thing about FlexSim is the customer service, with quick responses and help on every doubts that you have. **What do you dislike about FlexSim?** Sometimes it is not easy to build more complex models. I know that process flow is helpful in this case, but there are few tutorials about this feature. Moreover, more intuitive API connecting FlexSim with Python would be very helpful. **What problems is FlexSim solving and how is that benefiting you?** FlexSim helps me to model and understand systems with a magnificent 3D view. It is relevant to perform visual analysis with non-specialist customers, to sell the proposals, and verify the model workflow. ### 7. As I am a fresher to this domain it really helped me to develop my knowledge **Rating:** 5.0/5.0 stars **Reviewed by:** Priyanka G. | Graduate Trainee, Small-Business (50 or fewer emp.) **Reviewed Date:** August 06, 2022 **What do you like best about FlexSim?** Whenever your not understanding or got any problem I just ask flexsim they answer it so quickly and give you alternate solution so you can use either method which is fusible. **What do you dislike about FlexSim?** Nothing much about complaint. I love flexsim service you people are great thank you for such service and it would better if one solution accessible in all the version **What problems is FlexSim solving and how is that benefiting you?** Flexsim helping me solving process flow and whenever I want to build a model I just post my method they send me model explaining how can we achieve it. And in flexscript code and it increase my learn ### 8. Perfect GUI DES software for any industry **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Automotive | Enterprise (> 1000 emp.) **Reviewed Date:** January 18, 2023 **What do you like best about FlexSim?** It's user interface is very easy to learn. Drag and drop library is the best. **What do you dislike about FlexSim?** Some bugs in the conveyor systems and agvs. **What problems is FlexSim solving and how is that benefiting you?** Optimizing design of production line for buffer studies ### 9. Very flexible DES software **Rating:** 5.0/5.0 stars **Reviewed by:** Osama A. | Assistant Professor, Mid-Market (51-1000 emp.) **Reviewed Date:** March 21, 2022 **What do you like best about FlexSim?** 3D models can cover many industries. I'm using it for different industries: steel foundry, plastic extrusion, education, 3D sand printing, mining sites and machining processes. **What do you dislike about FlexSim?** I wished it can give a build-in report, like Arena simulation from Rockwell Automation. Statistical collecter is a very complicated tool. Changing menus and options every year. **Recommendations to others considering FlexSim:** Build-in report for queue time, WIP, productivity, utilization, and other Queuing performance indicators. Generate general routes depending on user definition, not using the TSP solutions. Have manufacturing package, including pot, extrusion, casting, forging, drilling, machining, animation. **What problems is FlexSim solving and how is that benefiting you?** I'm trying to build a virtual manufacturing site that can help industries to take the opportunity to evaluate their proposed automation. Evaluating electrified fleet for different industries. ### 10. Remarkable Simulation Software **Rating:** 5.0/5.0 stars **Reviewed by:** Jacob E. | Industrial Engineer, Enterprise (> 1000 emp.) **Reviewed Date:** March 21, 2022 **What do you like best about FlexSim?** The most helpful aspect of FlexSim is the ability to test out projects in a digital environment before spending large sums of time and money on the physical implementation. **What do you dislike about FlexSim?** One thing that I dislike is the lack of tutorials, especially in regard to the emulation side of FlexSim. Luckily, the FlexSim answers forum has been a useful tool to receive assistance when necessary. **Recommendations to others considering FlexSim:** Take a considerable amount of time to determine the reason for purchasing a simulation software and weigh the cost versus the benefit. **What problems is FlexSim solving and how is that benefiting you?** While I have only been using FlexSim for roughly a year, I have already had success in providing justification for improving the efficiency of one of our lean cells. ## FlexSim Discussions - [How to communicate with other software, such as MATLAB Simulink?](https://www.g2.com/discussions/how-to-communicate-with-other-software-such-as-matlab-simulink) - 2 comments, 1 upvote - [What is FlexSim used for?](https://www.g2.com/discussions/what-is-flexsim-used-for) - 1 comment - [Which software is best for simulation?](https://www.g2.com/discussions/which-software-is-best-for-simulation) - 1 comment - [View FlexSim pricing details and edition comparison](https://www.g2.com/products/flexsim/reviews/flexsim-review-8767621?section=pricing&secure%5Bexpires_at%5D=2026-07-09+17%3A04%3A43+-0500&secure%5Bsession_id%5D=ba53342a-d9fb-435e-adce-bb9a7065bf8d&secure%5Btoken%5D=d627b5d968bcbebbbbe236b36272b91e647479070a0304ede758b7fdca6fa43a&format=llm_user) ## FlexSim Features **Design** - 3D/solid modeling Tools **Model Development** - Process Mapping - Simulation Software - Abstraction - Simulation Software - Model Creation - Simulation Software **Design & Modeling - Plant Design Management Systems** - Rules-Based Design - Structural Design - Component Library - 3D Modeling **Performance Metrics** - Statistics - Simulation Software - Performance Visualization - Simulation Software **Simulation & Optimization - Plant Design Management Systems** - Virtual Validation - Digital Twins - Virtual Tour - Processes - Process Simulation - Plant Simulation **Work** - Discrete event modeling - Continuous event modeling - Manufacturing process simulation - Integrate **Visualizations** - Verification - Simulation Software - Real-World Visualization - Simulation Software **Data Management - Plant Design Management Systems** - Integration - Data Types - Import and Export - Insights **Environment** - Hardware support - Task - Command Clarity **Scenario Analysis** - Monte Carlo Analysis - Simulation Software - Sensitivity Analysis - Simulation Software - Parameter Variation Analysis - Simulation Software ## Top FlexSim Alternatives - [AnyLogic](https://www.g2.com/products/anylogic/reviews) - 4.2/5.0 (47 reviews) - [Simio](https://www.g2.com/products/simio/reviews) - 4.3/5.0 (25 reviews) - [SIMUL8](https://www.g2.com/products/simul8/reviews) - 4.1/5.0 (18 reviews)