Encyclopaedia Britannica vs Infoplease

Encyclopaedia Britannica is a web-based encyclopedia and reference service, with limited digital content available to visitors without a premium membership. Premium membership unlocks unlimited, ad-free access to more than 130,000 fact-checked articles, along with more than 60,000 images and videos, maps, infographics, and illustrations. Learning materials include biographies, quizzes, games, topic roundups, and homework help. Members also receive limited-run newsletters, e-books, and digital access to content from Britannica’s first edition. Britannica lists citation tools, educator resources, institutional access, and multimedia and interactive formats. Kids content requires a premium membership. A free access plan is listed at free. Premium pricing is available on request; Britannica also offers monthly memberships and academic and corporate subscriptions. Monthly members can cancel at any time. Customer support is available by phone on weekdays, with hours varying by inquiry. Founded in 1768, Britannica is headquartered in Chicago, Illinois.

Infoplease is a free web reference and learning site that brings together encyclopedia, dictionary, thesaurus, atlas, and almanac material. Its resources cover topics such as history, science, geography, current events, arts, and entertainment, with reference documents, quizzes, timelines, and news. The atlas includes continent, physical, country, and outline maps, geography quizzes, a distance calculator, and a latitude-longitude finder. Country profiles cover subjects ranging from maps and history to population, languages, economy, and government. The Homework Center spans geography, history, language arts, mathematics, science, and social studies, with resources for writing, research, speaking and listening, and study skills. Math and science materials include conversion calculators, a periodic table, virtual chemistry labs, and a glossary. Infoplease says experts create content using verified sources and fact-checking, and readers can report errors for investigation. It is part of the Sandbox Learning family of educational and reference sites for parents, teachers, and students. The site's curated resources are described as free.