T
Composer vs Simply Wall St
Pricing, features, platforms and who each one suits — side by side.
C
Choose Composer if…
- you need an API to build on
- you're in its core audience: self-directed retail investors, algorithmic trading hobbyists
S
Choose Simply Wall St if…
- you work on iOS, Android, Chrome
- you're in its core audience: retail investors, dividend investors
Side by side
Feature Composer Simply Wall St
Pricing modelFreemiumFreemium
Starting price$10/mo—
Free plan
Free trial
API
Open source
PlatformsWeb, APIWeb, iOS, Android, Chrome
CategoryAI Investing & Stock ResearchAI Investing & Stock Research
CompanyComposerSimply Wall Street Pty Ltd
Based in——
Founded2020—
Part of——
Key features
C Composer
- AI strategy creation from natural-language prompts
- Visual no-code strategy editor with conditional logic
- Backtesting against benchmarks, including fees and slippage
- Automated trade execution and rebalancing
- Pre-built strategy library
- Community publishing and remixing of strategies
- Traditional and Roth IRA support
- API for data, backtests and trading (Pro)
S Simply Wall St
- Visual reports on 120,000+ stocks in 90 markets
- Portfolio sync with 2,000+ brokers
- Return tracking including dividends, currency effects and IRR
- Stock screener with alerts for new matches
- Dividend quality assessment and income forecasts
- Daily watchlist alerts on earnings, valuation and insider trades
- Community Narratives for sharing stock valuations
- Charlie AI assistant
Plans and prices
From each vendor's site. Prices change — confirm before buying.
Composer
Starter$0
Advanced$10/mo
Pro$32/mo billed yearly ($384/year)
BusinessCustom
Simply Wall St
FreeFree
PremiumNot listed
UnlimitedNot listed
Strengths and limitations
Composer
- Free Starter plan includes unlimited building and backtesting
- No commissions or management fees advertised
- Pro plan includes API access
- IRA accounts supported
- Free plan automates only one strategy
- API access requires the Pro or Business plan
- Regulatory fees from FINRA and the SEC still apply
- Business pricing requires a sales call
Simply Wall St
- Free plan includes 5 company reports a month and 1 portfolio
- 7-day Premium trial with no credit card required
- Covers 120,000+ stocks across 90 markets
- Available on web, iOS, Android and Chrome
- Free plan shows only the top 4 screener results
- Free plan limits each portfolio to 10 holdings
- Paid plan prices are not shown in the plan comparison
- No public API listed
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Built from each vendor's public website; we haven't tested them hands-on. Editorial policy