ComPAIR vs peerScholar

ComPAIR is a self-hosted web application for peer review in which students compare pairs of work and give feedback with both answers in view. Instructors can enable adaptive scores based on comparison outcomes and use them to assemble later pairs. The application has student, instructor, and system administrator roles with distinct permissions, plus rubric scoring and moderation tools. It supports LTI login, course membership, and grade updates; administrators configure LTI consumers with a key and secret. Documented authentication options also include username and password, CAS, and SAML 2.0. Learning analytics can be sent to a Learning Record Store through xAPI or Caliper, though both are disabled by default. The default attachment limit is 250 MB, with PDF, audio, video, and image extensions allowed. Administrators can manage whether instructors see student email addresses and CAS/SAML usernames; those fields are disabled by default. ComPAIR is open source under GPL-3.0 and freely available to download, install, and use. Its README documents deployment with Docker Compose, with access at localhost:8080. The tool is described as suitable for higher education and K-12 communities.

peerScholar is a formative peer-assessment platform from Cogneeto Inc. Its activity formats are Classic, Case Study, and Group Work. In Classic activities, students submit work, assess peers, receive feedback, and may revise and resubmit. Group Work can include group assessments, individual assessments, and evaluations of group members. Assessment controls include multiple choice, points, dropdowns, star ratings, checkboxes, Likert scales, rubrics, and comments; peer feedback can use scales, matrix rubrics, points, dropdowns, comments, and annotations. Grades may combine instructor or teaching-team evaluations, peer ratings, and participation. The platform connects to learning management systems and virtual learning environments through LTI 1.3 and APIs, with single sign-on, roster, group, and grade synchronization. The WCET offer describes 24/7 support through email, in-app, chat, and social media. It is available through web and API. Pricing is on request; the listed WCET Promotional plan costs $4,500 a year and includes unlimited courses, faculty, team members, students, and activities.