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MarketMonk vs Simply Wall St: catalog facts
MarketMonk	Simply Wall St
Free Free and open source under the MIT licence.	Freemium Free account available without a credit card, with paid plans.
Android	Android, iOS, Web, Browser extension
Portfolio holdings and performance in one dashboard Price charts from Yahoo Finance data	Covers about 120,000 stocks worldwide Tracks multiple portfolios and brokers together
Depends on Yahoo Finance for market data A tracker only, with no trading or brokerage features	Advanced features need a paid plan Hosted service that requires an account
Downloadable app	Downloadable app, Hosted service, Browser extension
Open source	Closed source
License: MIT	License not stated
Not stated if an account is needed	Account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.