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Ease of use3Features3Value for money3Performance3Support3Privacy & security3

	Substack	Circle Best match for you
Your score	6.8	7.3
AppDuo score	6.8	7.3
Ease of use	8.0	7.5
Features	7.9	8.5
Value for money	7.3	6.5
Performance	6.8	7.5
Support	5.5	7.0
Privacy & security	5.4	6.5
Starts at	Free	$89.00/mo (business plan)
Free plan
Free trial	—	14-day free trial
Web
iOS
Android
Windows
macOS
Linux
Works offline
Public API
Self-hostable
Open source
AI features
Real-time collaboration
End-to-end encryption
Templates
Integrations
Mobile app
Launched	2017	2020
Developer	Substack Inc.	CircleCo, Inc.
Best for	Writers who want to start a free newsletter and add paid tiers once they have readers Podcasters and video makers who want to distribute to Apple Podcasts, Spotify and YouTube from one place Readers who want to discover independent authors through recommendations and Notes	Creators, coaches and brands selling paid memberships or courses Teams that need a branded community with SSO, API access and automation

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