G2 Vendor Directory

Sierra ILS vs. Millennium ILS

A side-by-side comparison based on G2 review data.

MetricSierra ILS

by Innovative, a ProQuest Company

Millennium ILS

by Innovative, a ProQuest Company

Overall rating4.03.6
Review count2510
Ease of use8.68.7
Ease of setup7.69.5
Quality of support7.48.4
Meets requirements8.58.6
NPS250
Small Business24.0%30.0%
Mid-Market48.0%50.0%
Enterprise28.0%20.0%
Total page views6418
Total LLM citations838

Sierra ILS

Sierra is a library system that provides automated workflows, integrated resource management, and open access to data.

Pros

    Millennium ILS

    Millennium integrated library system (ILS) is a global library technology company.

    Pros