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Ease of use3Features3Value for money3Performance3Support3Privacy & security3

	Sierra	Decagon Best match for you
Your score	6.9	7.0
AppDuo score	6.9	7.0
Ease of use	7.0	7.0
Features	8.0	8.0
Value for money	6.5	6.0
Performance	7.0	7.0
Support	6.5	6.5
Privacy & security	6.5	7.5
Starts at	—	—
Free plan
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	2024	2023
Developer	Sierra Technologies, Inc.	Decagon
Best for	Large enterprises with high customer-conversation volume that need one agent across chat, SMS, WhatsApp, email and voice Regulated sectors such as finance and healthcare that want a vendor publishing many compliance attestations	Companies with high support volume across chat, email and phone Ops teams that want to define workflows in natural language and A/B test them

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