History Adventures vs Pliny

History Adventures is an interactive history learning series built around characters, choices, and consequences. It is intended for digital-generation learners and is presented as useful in world history, civics, and global studies teaching. The Empires & Interconnections installment covers 1450–1750 through six researched characters across four continents, with content designed to align with AP World History standards. Learning activities include 360° panoramas, decision-making, historical documents, animated illustrations, interactive infographics, and assessments. That installment is available for iPad, Android tablets, Apple Books, and Mac computers with an M1 chip. The wider series also includes a Chromebook web app, an iPad and responsive web app, and a VR experience listed for Meta Quest, Steam VR, and Pico. Quizzes and review and interactive timelines are listed features. Every installment is free to use in any setting. The series was funded by the NEH, NSF, and Qatar Research & Development Council and developed with Northwestern University's Center for Talent Development.

Pliny is a history-learning app for iOS and Android, offering short lessons and quizzes about ancient and modern history. Lessons are presented as roughly five-minute reading modules, with optional narration. Available topics include Ancient Egypt, Ancient Greece, the Vietnam War, and the Iranian Revolution; Ancient Rome and World War II are marked as coming soon. Scoring at least 80% on a level quiz unlocks the next chapter. Completing all levels in a topic opens the timed Grand Trial, which can lead to a badge and leaderboard place. The app tracks progress and includes review quizzes. Pliny is currently in early release. Its Free plan costs nothing and provides five gems daily, while rewarded ads can provide more. Premium offers unlimited gems, removes ads, and opens every topic, but no Premium price is listed. Sign-in supports Apple, Google, or email.