Comparison

How FlatWorld compares with open educational resources and publisher platforms, on what a course actually costs and what each side includes.

All comparisons

Psychopathology Textbooks Comparison: Comer vs. Barlow vs. Smerbeck (2026)

Comer 12e, Barlow 9e, and Smerbeck v1.0 compared: DSM-5-TR alignment, student price, teaching materials, and platform. Sourced to each publisher's own pages.

Lumen Learning vs. FlatWorld: Price, Catalog, and Support (2026)

Lumen's OER content is free; the $35-per-term courseware is not. Compare it with FlatWorld's textbook, homework, and AI study help from $24.95.

Top Hat vs. FlatWorld: Cost, Textbooks, and AI Tools (2026)

Top Hat charges $58 a year before the textbook. FlatWorld includes the textbook and homework from $24.95. Compare pricing, AI study tools, and support.

LibreTexts vs. FlatWorld: Cost, Customization, & Support (2026)

LibreTexts vs FlatWorld, compared: what remixing open content really costs in fees and faculty time, versus FlatWorld's homework-included price from $24.95.

OpenStax vs. FlatWorld: Full Pricing Breakdown (2026)

OpenStax textbooks are free, but Assignable homework starts at $15 per student. Compare OpenStax vs FlatWorld on price, homework, AI tools, and support.

OER vs. FlatWorld: An Honest Comparison (2026)

Is OER really free? Compare OpenStax, LibreTexts, and Lumen against FlatWorld on support, quality, and accessibility, and the real cost.

Psychology comparisons1 comparison