How to Rebuild Notion with Base44 | Rebuilding SaaS Part 3

How to Rebuild Notion with Base44 | Rebuilding SaaS Part 3

Jon Law
Jon Law
200 Video Views·Jul 3, 2026

Go build y'all! https://base44.com

In this video I take on the boss fight of my AI rebuild series and try to recreate Notion from scratch. Notion is the most popular productivity app out there, but it gets expensive fast once you add seats and unlock the AI features locked behind the business tier, so I wanted to see if I could rebuild that paid functionality for next to nothing. Using Base44, the AI app builder sponsoring this series, I prompt my way through nested pages and a block editor, database table and kanban board views, a built-in AI assistant that pulls context across the whole workspace, and full multi-user team management with invite-only access and automated email invites. I also grab a custom domain for under a dollar, publish the app, and run a full stress test to see whether the auth, member roles, and invite emails actually hold up under pressure. By the end I tally the total cost savings across all three builds in the series. If you pay for Notion, or you just want to see how far AI app builders have come, this build is for you.


CHAPTERS:
0:00 Rebuilding Notion With AI (The Boss Fight)
0:45 Notion Pricing Breakdown (Why It Gets Expensive)
1:42 Building Notion in Base44
2:27 Starting the Build Inside Base44
2:43 Prompt 1: Notion Nested Pages and Block Editor
3:37 Fixing the First Bug With Resolve With AI
3:52 Reviewing the Notion-Style Layout and Login Pages
4:27 Prompt 2: Database Table and Kanban Board Views
5:26 Testing Databases, Drag and Drop, and Editing
6:30 Prompt 3: Adding an AI Assistant to the Workspace
6:58 Testing Ask AI and Page Summaries
7:33 How Base44's Built-In AI Integration Works
8:01 Prompt 4: Multi-User Team and Seat Management
8:55 Buying a Custom Domain for 88 Cents
9:39 Inviting Members and Assigning Seats
10:14 Publishing the App and Stress Testing
10:41 Building Out the Project Tracker
11:24 Testing the Block Editor With a Poem Page
12:00 Testing AI Context Across Pages
12:30 Fixing Open Registration and Member Auth
13:40 Managing Admins and Member Roles
13:54 Adding a Member and Sending an Invite
14:40 Fixing the Invited User Login Flow
15:19 Setting the App to Private and Final Test
15:42 Invite-Only Login Works
15:53 Build Recap and Total Cost Savings
17:33 What to Build Next

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