--- title: Infor System21 Reviews meta\_title: 'Infor System21 Reviews 2026: Details, Pricing, & Features | G2' meta\_description: Filter reviews by the users' company size, role or industry to find out how Infor System21 works for a business like yours. aggregate\_rating: rating\_value: 2.9 review\_count: 4 scale: '5' date\_modified: '2025-10-31' parent\_category: name: ERP url: https://www.g2.com/categories/erp --- # Infor System21 Reviews & Product Details Claimed ###### Profile Status This profile is currently managed by Infor System21 but has limited features. Are you part of the Infor System21 team? [Upgrade your plan](https://sell.g2.com) to enhance your branding and engage with visitors to your profile! System21 is a highly functional ERP product available either on-premises or as a cloud-based service. Based on the IBM i platform, System21 has established itself as the trusted core ERP of choice for many customers worldwide. Users value System21’s functional richness, stability, and security and its modern HTML5 browser UI, and broad integration capabilities for diverse industries. * * * Seller [Infor](https://www.g2.com/sellers/infor) Discussions [Infor System21 Community](https://www.g2.com/products/infor-system21/discuss) Overview by Caroline Wright Berith (Creating demand for SaaS solutions that change the world.) Show More ## Top-Rated Alternatives [ ![SAP ECC](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "SAP ECC") SAP ECC 4.2/5(946) ](https://www.g2.com/products/sap-ecc/reviews) [ ![Kinetic](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Kinetic") Kinetic 3.9/5(733) ](https://www.g2.com/products/epicor-kinetic/reviews) [ ![SAP Cloud ERP (SAP S/4HANA Cloud)](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "SAP Cloud ERP (SAP S/4HANA Cloud)") SAP Cloud ERP (SAP S/4HANA Cloud) 4.4/5(1,061) ](https://www.g2.com/products/sap-cloud-erp-sap-s-4hana-cloud/reviews) [ View All Alternatives ](https://www.g2.com/products/infor-system21/competitors/alternatives) ![Verified User in Import and Export](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Import and Export") AI Verified User in Import and Export Mid-Market (51-1000 emp.) 10/4/2019 "a good piece of software if you have the knowledge to use" 1.5/5 What do you like best about Infor System21? it allowed me as a technician to make various changes in the warehousing systems alongside checking B2B transmissions which was crucial for the company I worked for previously Review collected by and hosted on G2.com. What do you dislike about Infor System21? it requires a lot of input from the user and without knowledge can cause a lot of damage Review collected by and hosted on G2.com. What problems is Infor System21 solving and how is that benefiting you? it was rather difficult to solve any issues as the software is legacy based and caused a lot of issues at times. Benefits were limited Review collected by and hosted on G2.com. Show More Validated ReviewerSource: Organic ### There are not enough reviews of Infor System21 for G2 to provide buying insight. Below are some alternatives with more reviews: [ 1 ![SAP ECC Logo](https://images.g2crowd.com/uploads/product/hd_favicon/b5f8f986beca96ab0027c693ee762fb9/sap-ecc.svg "SAP ECC Logo") SAP ECC 4.2 (946) SAP ECC software is a proven foundation for the world's largest organizations. 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