Online whiteboard for mathematics
Function graphs, LaTeX formulas, shape drawing and live collaboration. Always free, in your browser or on mobile. Business tools included.
Coming soon to
Google Play
Download on the
App Store
Always free. Without limits.
Two worlds, one board
One tool for everything.
We started with math, and today PhiBoard is also a full set of business tools for teamwork. Mind maps, diagrams, Kanban and SWOT templates - all on one board. One tool for students, teachers, and entire teams.
Math
Precise drawing
Draw shapes, construct solids and write by hand with intuitive tools for geometry and more.
Dynamic charts
Generate clear charts of math functions in seconds.
Formulas & notation
Write math formulas in professional notation with LaTeX support.
Shared board and voice chat
Run online lessons where everyone sees the board live and can talk over voice chat, with no extra app.
Lesson templates
Clone boards and build ready-made templates to save time.
Export to PDF
Save and share your work as a PDF anytime.
Business
Mind maps
Organize ideas and branch out concepts on clear mind maps.
Diagrams & flowcharts
Create flowcharts, processes and organizational charts.
Business templates
Ready-made SWOT, Business Model Canvas and Kanban templates.
Presentation Mode
Present your board in slide mode.
Create charts and tables
Easily generate tables, bar and pie charts.
Shapes & icons
A rich library of shapes, icons and emoji to visualize ideas.
Explore the possibilities
More than a board.
From drawing to collaboration - everything you need on one board. We bring together the worlds of education and business, with tools built for both teaching and commercial projects. One space to create, analyze, and grow ideas together.
Real-time collaboration
Modern interactive whiteboard
Forget static presentations. Create, draw and solve problems on your own or together with your team or students live, from anywhere in the world.
Real-time board synchronization
Dozens of practical tools in one place
Export the board to PDF and send it by email in a few seconds
Task list
Prepare lecture
Draw chart
Add formulas
Review results
Update report
Send summary
sin(x)
Pythagoras
a² + b² = c²
Integral
∫ f(x) dx = F(x) + C
Anna
John
Knowledge base
Our learning materials
Find PDF math materials here - from basics to advanced topics.
All materials are completely free.
Support
Free. No limits.
No fees, no limits, no hidden costs. We believe good tools for learning and work should be accessible to everyone.
No fees, always.
Built in Poland by an independent team
Unlimited boards
All tools included
Real-time collaboration
No hidden fees or limits
We're constantly improving the app
Want to support the project?
PhiBoard is free and will stay that way. If you use it regularly, you can support the project - contributions cover the server, domain and certificates, which keeps the tool free for everyone. Thank you for any support.
Our mission
Growing science together with students, teachers and companies
We're building PhiBoard for the whole education community. We care about popularizing science and mathematics among young people and we're looking for people who want to invest in science with us.
Primary schools
High schools
Tutors
Universities & students
Education teams
Tech companies
Primary schools
High schools
Tutors
Universities & students
Education teams
Tech companies
What's new at PhiBoard?
You can support PhiBoard
PhiBoard is, and will remain, completely free - with no ads, paid tier, or limits on boards.
Read
09 sep
PhiBoard is now on the App Store
The mobile app is now on the App Store: open your boards on an iPhone or an iPad.
Read
05 sep
New ways to share a board
Up to five people can now draw on one board at the same time.
Read
27 aug
FAQ
Frequently asked questions
We've collected answers to the questions we hear most often. If you can't find what you're looking for - write to us and we'll get back to you as soon as possible.
Yes! PhiBoard is completely free for all users - no limits and no hidden fees.
Math tools include drawing shapes, charts and formulas. Business tools include mind maps, diagrams and SWOT, Business Model Canvas or Kanban templates.
Absolutely. Invite participants to a board and all changes will be visible to everyone instantly. You choose how the board works: either one person holds control and the creator hands it on, or everyone edits at the same time, up to five people at once.
It's a collection of PDF materials grouped into courses covering successive areas of mathematics - from basics to engineering level.
No. PhiBoard runs in your browser - just create an account and start. We also have a dedicated mobile app.
You can save it as a PDF file or an image, and even send the finished PDF straight to an email address.
Your boards
always with you
Get quick access to your boards, no matter where you are. Work, learn and collaborate wherever you are.
Coming soon to
Google Play
Download on the
App Store
Search for a board...
Created by me
Shared
Invitations
2
Derivatives & Integrals
Created: 08.08.2026
Solids of Revolution – Project
Created: 06.08.2026
Office Hours with Mr. Adams
Created: 04.08.2026
Probability & Statistics
Created: 01.08.2026
You have 3 created boards.
You have 4 created boards.
Dashboard
Profile
Email address
john.smith@example.com
Password
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Korzystaj po polsku
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Ready to start creating?
Join for free and discover everything PhiBoard has to offer today.
Quick and free registration
Dozens of practical tools
Work alone or with a team
How to get started?
01
Create an account
Registration takes a few seconds and is completely free.
02
Create a board
Name your board and invite collaborators. You can also work on it alone.
03
Start creating
Draw, write formulas, create mind maps - all in one place.
Contact
Got a question?
Write to us - we'll reply as fast as we can. We're happy to help with technical issues or any general questions about PhiBoard.
office@phiboard.com
Usually within 24 hours
Response time
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