StockAlert.pro vs Tessera Alpha

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

StockAlert.pro compared with Tessera Alpha
Detail	StockAlert.pro	Tessera Alpha
What it does	Real-time AI-powered stock alerts for price targets, technical signals, earnings and dividends	Stock ratings for US stocks based on published research signals
Stage	Not given	Startup
Founded	Not given	2025
Based in	Not given	PL
Pricing model	Freemium	Freemium
Pricing	Free: Create up to 5 active alerts, 1 Premium-category alert, up to 2 watchlist stocks, unlimited email notifications. Premium: $19.99/month or save 17% with yearly billing - unlimited alerts, all alert categories, up to 100 watchlist stocks, 50 SMS alerts per month, unlimited API keys, 24/7 support	Free plan with limited access to 200 largest stocks. Paid Tessera plan: $2 for first month, then $29/month, billed monthly. Cancel anytime. 30-day money-back guarantee.
Key features	26 alert types across 7 categories AI-generated stock analysis reports AI watchlist assistant with personalized recommendations Daily AI-powered stock screening Price checking every minute during market hours Email, SMS, browser push and webhook notifications Global stock exchange coverage API access for developers Slack and ChatGPT integration Multi-language support for international markets	Six published research signals averaged into stock ratings Free access to ratings on the 200 largest US stocks Company financial analysis and sector comparisons Stock screening on valuation, profitability, growth and momentum Rules-based paper portfolio tracking with simulated trading Custom paper portfolios with historical backtesting Analyst estimates and DCF valuation tools CSV export for custom analysis Rating changes tracked weekly by signal
What makes it different	Largest alert type library with 26 types across technical, fundamental, and alternative data signals Real-time AI analysis with actionable recommendations Intelligent daily watchlist updates with automated signals Premarket and after-hours monitoring Free tier with 5 active alerts and full feature access	Connects stock screening with company research and paper portfolio tracking in one workspace Ratings based on six published academic research signals, not proprietary black boxes Free access to research on largest 200 stocks, no credit card required Educational research and ranking signals, explicitly not investment advice Affordable paid plan at $2 first month then $29/month with backtesting and full universe access
Community votes	0	0
DR (Domain Rating by Ahrefs)	6 −2 (down) since last check	4 no change since last check
Trust Flow (Majestic)	9	3
Citation Flow (Majestic)	10	19
Referring domains (Majestic)	86	9

5 details filled in for both companies.

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