Built by educators, for educators
Plan tomorrow's lesson in minutes, not hours
Masterin creates standards-aligned, differentiated lesson plans, quizzes, and lab activities for your grade and subject. You review it, adjust it, and teach it.
Free plan available. No credit card required.
Everything a lesson needs, in one place
Objectives and standards
Each plan lists its learning objectives and the standards it covers, including NGSS and Common Core.
Differentiation
Each plan includes support for students who need more help and extensions for students who are ready for more.
Formative checks
Each plan includes quick checks for understanding you can use during class.
Homework
Each plan includes an optional homework or extension activity.
More tools for your planning week
Each tool creates a draft you can edit before you use it.
Assessment Creator
Create quizzes, tests, and rubrics with answer keys.
Science Lab Designer
Design lab activities with materials lists and safety notes.
Math Problem Creator
Create practice problems with step-by-step solutions for any grade.
Image Creator
Create diagrams and visuals for slides and worksheets.
Video Builder
Turn a short script into an explainer video.
AI Tutor
Upload a document or ask a question and get a detailed explanation.
Using Masterin with students?
Masterin also offers learning paths, practice, and an AI tutor for students. Learn how student accounts work and how we protect student data.
Start free. Upgrade when you need more.
Free
$0forever
- ✓5 lesson plans per month
- ✓5 AI images per month
- ✓Basic templates
- ✓Community support
- ✓Export to PDF
Pro
$9.99per month
- ✓50 lesson plans per month
- ✓100 AI images per month
- ✓All AI models (GPT-4o, Claude, etc.)
- ✓Advanced templates
- ✓Priority support
- ✓Export to all formats
- ✓Video generation (20/month)
- ✓Curriculum builder
School
Customper school
- ✓Unlimited lesson plans & AI images
- ✓Unlimited video generation
- ✓All AI models
- ✓Advanced collaboration & Admin dashboard
- ✓Custom branding & SSO integration
- ✓Training & onboarding
- ✓Dedicated support
Your data and your students' data stay protected
We collect only what each feature needs. We don't sell personal information, and we don't use student data for advertising. Schools and districts can request a data privacy agreement.
Get your evenings back
Create your first lesson plan free and see how it fits your classroom.
Create your first lesson plan free
