What is the difference between ReadMe and Notion?

ReadMe is best for API-first companies that want a full developer hub with usage metrics, while Notion is best for Teams wanting a flexible wiki and knowledge base. ReadMe starts at $99/mo and Notion starts at Free.

Is ReadMe or Notion cheaper?

ReadMe starts at $99/mo with a free tier. Notion starts at Free with a free tier.

Is there a free alternative to Notion?

Both ReadMe and Notion offer free tiers.

ReadMe vs Notion

ReadMe is developer hub platform for creating interactive API documentation with built-in metrics and user management, while Notion is all-in-one workspace commonly used as team wiki with databases, templates, and AI. The biggest difference up front: Notion is free, while ReadMe starts at $99/mo. ReadMe is built for api-first companies that want a full developer hub with usage metrics, whereas Notion targets teams wanting a flexible wiki and knowledge base.

At a glance

	ReadMe	Notion
Best for	API-first companies that want a full developer hub with usage metrics	Teams wanting a flexible wiki and knowledge base
Starting price	$99/mo	Free
Free tier	✓	✓
Open source	—	—
Free tier available	✓	✓
Open source	—	—
AI	—	✓
API Explorer	✓	—
Custom Branding	✓	—
Databases	—	✓
OpenAPI Import	✓	—
Templates	—	✓
Usage Metrics	✓	—
User Management	✓	—
Wiki	—	✓

ReadMe

Strengths

Personalized docs showing users their own API keys
Built-in API explorer for testing endpoints live
Usage metrics showing which endpoints developers actually call
Auto-generates docs from OpenAPI specifications

Weaknesses

Pricing starts at $99/mo which is steep for small teams
Opinionated layout with limited design customization
Better suited for API docs than general documentation
Learning curve for advanced customization features

Try ReadMe → Full review

Notion

Strengths

Built-in wiki keeps documentation close to the codebase
Databases turn notes into structured data with views, filters, and relations
Free for personal use — generous enough for most small teams to get real work done
Includes templates alongside the core feature set — fewer separate tools needed

Weaknesses

Free plan exists but key features are locked behind the paid upgrade
Fewer built-in features means you may need additional tools to cover gaps
Ecosystem of third-party integrations is smaller than the market leaders in documentation
Mobile experience lags behind the desktop version in features and polish

Try Notion → Full review

The bottom line

Pricing: Notion is completely free (Free for personal use), which makes it the obvious pick if budget is the top concern. ReadMe starts at $99/mo, but Free for 1 project with basic features. That cost buys you a more polished or feature-rich experience, so it comes down to whether the extras justify the spend.

Feature gaps: ReadMe offers API Explorer, Custom Branding and OpenAPI Import that Notion lacks. Notion brings AI, Databases and Templates that ReadMe does not have.

Team fit: ReadMe is geared toward mid-size teams teams, while Notion is aimed at any size teams. Pick the one that matches where your team is today and where it is headed — migrating tools later is always painful.

Where each tool shines: ReadMe's biggest strengths are: personalized docs showing users their own api keys. built-in api explorer for testing endpoints live. Notion's biggest strengths are: built-in wiki keeps documentation close to the codebase. databases turn notes into structured data with views, filters, and relations.

Watch out for: With ReadMe, users commonly note that pricing starts at $99/mo which is steep for small teams. With Notion, the main complaint is that free plan exists but key features are locked behind the paid upgrade.

Choose ReadMe if...

You need a tool built for api-first companies that want a full developer hub with usage metrics
You specifically need API Explorer and Custom Branding
You care about built-in api explorer for testing endpoints live
Your team size fits the mid-size teams profile ReadMe is designed for
The free tier works for you: free for 1 project with basic features

Choose Notion if...

Your profile matches its sweet spot: teams wanting a flexible wiki and knowledge base
Budget is a hard constraint — Notion is free, ReadMe is not
You specifically need AI and Databases
You care about databases turn notes into structured data with views, filters, and relations
Your team size fits the any size profile Notion is designed for