T
Composer vs Danelfin
Pricing, features, platforms and who each one suits — side by side.
C
Choose Composer if…
- you want the lower entry price ($10/mo vs $22/mo)
- you're in its core audience: self-directed retail investors, algorithmic trading hobbyists
D
Choose Danelfin if…
- you're in its core audience: self-directed retail investors, active traders
Side by side
Feature Composer Danelfin
Pricing modelFreemiumFreemium
Starting price$10/mo$22/mo
Free plan
Free trial
API
Open source
PlatformsWeb, APIWeb, API
CategoryAI Investing & Stock ResearchAI Investing & Stock Research
CompanyComposerDanelfin
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)
D Danelfin
- AI Score from 1 to 10 for stocks and ETFs
- Buy, Hold and Sell ratings
- Stock and ETF rankings
- Portfolio tracking with AI scores
- Explanations of the alpha signals behind each score
- Trading parameters and short trade ideas on higher tiers
- CSV export of scores and indicators
- REST API and MCP server with data since 2017
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
Danelfin
Free$0
Plus$22/mo billed yearly ($29 monthly)
Pro$59/mo billed yearly ($79 monthly)
Elite$134/mo billed yearly ($179 monthly)
API Basic$52/mo
API Expert$149/mo
API Max$449/mo
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
Danelfin
- Free plan includes 10 stock/ETF reports a month
- Annual and two-year billing cost less than monthly
- API with history back to 2017
- Scores give a plain Buy/Hold/Sell rating
- Trading parameters require the Pro plan or higher
- API plans are priced separately from website plans
- Free plan limited to one portfolio of five holdings
- No mobile apps found on the vendor pages
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Built from each vendor's public website; we haven't tested them hands-on. Editorial policy