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Ease of use3Features3Value for money3Performance3Support3Privacy & security3

	Kalshi Best match for you	Polymarket
Your score	7.1	6.9
AppDuo score	7.1	6.9
Ease of use	8.0	7.5
Features	8.0	8.0
Value for money	7.0	7.3
Performance	6.8	6.8
Support	6.5	6.0
Privacy & security	6.5	6.0
Starts at	Free	Free
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	2021	2020
Developer	Kalshi Inc.	Polymarket (Blockratize Inc)
Best for	People who want to trade event contracts (Fed rates, inflation, weather, sports) on a federally regulated exchange Developers who need an API for market data and trading	People who want to trade event shares across many topics, including geopolitics (fee-free markets) Developers who need an API and docs for market data or order placement

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