CK-12 FlexBook 2.0 vs Brisk Teaching

CK-12 FlexBook 2.08.5Visit Brisk Teaching7.9Visit

Higher score CK-12 FlexBook 2.0 #4 in Google Workspace Teacher Resources Software 8.5/10 Free plan Free plan✓ 0 of 1 features Visit CK-12

vs

Brisk Teaching #7 in Google Workspace Teacher Resources Software 7.9/10 Free plan · 14-day trial Free planFree trial✓ 0 of 1 features Visit Brisk Teaching

• CK-12 FlexBook 2.0 fits best

  Free K–12 science lessons and practice

• Brisk Teaching fits best

  AI-assisted lesson and resource generation

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Side by side

Feature	CK-12 FlexBook 2.0 8.5/10 Visit ↗	Brisk Teaching 7.9/10 Visit ↗
At a glance
Editor score	8.5	7.9
Ranking	#4 in Google Workspace Teacher Resources Software	#7 in Google Workspace Teacher Resources Software
Best for	Free K–12 science lessons and practice	AI-assisted lesson and resource generation
Pricing model	Free	Free plan + paid
Starting price	Free plan	—
Free plan	✓	✓
Free trial	—	14 days
Deployment	Cloud	Cloud, Browser extension
Platforms	Web	Web, Chrome extension
Support	Email, Community, Docs	Email, Community, Docs
Integrations	6 integrations	20 integrations
Built for	Small business, Mid-market, Enterprise	Solo, Small business, Mid-market, Enterprise
Features CK-12 FlexBook 2.0 0/1 · Brisk Teaching 0/1
Google Classroom integration	Not checked yet	Not checked yet
Specs
Workspace apps	Not checked yet	Not checked yet
Resource types	Not checked yet	units
Resource library size	Not checked yet	Not checked yet
Sharing controls	Not checked yet	Not checked yet
Our review
Pros	Customizable FlexBooks let teachers rearrange chapters and add materials. Interactive lessons include videos, simulations, PLIX activities, and practice. Google Classroom and LMS integrations support assignments and grade passback.	Creates lesson plans, units, quizzes, and classroom resources Supports differentiation and generation in 50+ languages Connects with Google, Microsoft, and several LMS platforms
Cons	Its verified subject scope is limited to K–12 science. The platform is delivered through a web browser rather than native apps. LMS connectivity is centered on a defined set of supported integrations.	Standards-aligned generation is a Premium feature Paid plans use custom pricing rather than listed rates Curriculum Intelligence and white-glove setup are limited to Intelligence
Our verdict	CK-12 FlexBook 2.0 is a browser-based platform for students, teachers, parents, and schools seeking free K–12 science curriculum. Teachers can customize digital textbooks, rearrange chapters, add materials, assign lessons, create quizzes,… Read the review →	Brisk Teaching helps teachers, schools, and districts generate and adapt instructional materials with AI. Its tools cover lesson and unit plans, quizzes, presentations, guided notes, translated resources, and differentiated materials.… Read the review →

Strengths and trade-offs

• CK-12 FlexBook 2.0 — where it wins

  • Customizable FlexBooks let teachers rearrange chapters and add materials.
  • Interactive lessons include videos, simulations, PLIX activities, and practice.
  • Google Classroom and LMS integrations support assignments and grade passback.

  Where it doesn't

  • Its verified subject scope is limited to K–12 science.
  • The platform is delivered through a web browser rather than native apps.
  • LMS connectivity is centered on a defined set of supported integrations.

• Brisk Teaching — where it wins

  • Creates lesson plans, units, quizzes, and classroom resources
  • Supports differentiation and generation in 50+ languages
  • Connects with Google, Microsoft, and several LMS platforms

  Where it doesn't

  • Standards-aligned generation is a Premium feature
  • Paid plans use custom pricing rather than listed rates
  • Curriculum Intelligence and white-glove setup are limited to Intelligence

• CK-12 FlexBook 2.08.5/10 · Free plan

  A free K–12 science platform combining editable textbooks, simulations, practice, and assessment tools.

  Visit CK-12Full verdict →
• Brisk Teaching7.9/10 · Free plan · 14-day trial

  Generates and adapts teaching resources through a browser extension and web app.

  Visit Brisk TeachingFull verdict →