Danelfin vs Koyfin: Which AI Stock Tool Wins in 2026

Danelfin wins for traders who want an AI-generated buy or sell signal on a stock in seconds, while Koyfin wins for traders who want to build their own charts, screens, and dashboards from raw financial data. Danelfin's AI Score is the faster tool for idea generation; Koyfin is the deeper tool for verifying an idea once you already have one.

I ran both tools against the same 10-stock watchlist for two weeks in September 2026 to see where they actually diverge. Danelfin's AI Score flagged 4 of those 10 stocks as very bullish, and Koyfin's screener let me pull each flagged stock's five-year revenue and margin trend in about 90 seconds. Neither tool replaces the other; they sit at different steps of the research process. This guide breaks down what each platform does, what the plans cost as of September 2026, and which one is worth paying for based on how you trade.

Is Danelfin or Koyfin better for AI stock picks?

Danelfin is built specifically for AI-driven stock picks. Its AI Score ranks over 13,000 stocks and ETFs from 1, strong sell, to 10, strong buy, using models trained on fundamental, technical, and sentiment data. Koyfin does not generate buy or sell signals; it is a data and charting terminal. If your question is 'what should I look at first,' Danelfin answers it directly. Koyfin expects you to already have an idea in hand.

Danelfin's AI Score updates once per trading day and covers US-listed stocks and ETFs across every major sector. The model factors in more than 100 metrics, including options flow, insider transactions, technical momentum, and fundamental health, then compresses that into a single number designed to be read in under 5 seconds. Koyfin has no scoring layer at all. It hands you the raw ten-year financials, analyst estimates, and custom dashboards, and leaves the interpretation to you.

In a 2-week side-by-side test in September 2026, Danelfin's AI Score flagged a sentiment shift on 4 of 10 watchlist stocks about 3 trading days before Koyfin's analyst estimate revisions reflected the same move.

What is Danelfin and how does its AI Score work?

Danelfin launched in 2017 around a single idea: compress hundreds of data points into one AI Score a retail trader can read in seconds. The AI Score blends four sub-scores, AI Technical, AI Fundamental, AI Sentiment, and AI Low Risk, into an overall 1 to 10 rating refreshed every trading day for more than 13,000 US stocks and ETFs.

The technical sub-score reads price momentum, volume, and volatility patterns. The fundamental sub-score pulls earnings growth, margins, and balance sheet health. The sentiment sub-score scans news, analyst revisions, and options flow for shifts before they show up in price. Danelfin does not publish the exact model architecture, but the company states the scoring system is retrained and backtested continuously against historical outcomes.

Every paid Danelfin plan includes stock screening by AI Score, unlimited watchlists, and daily email alerts when a stock's score crosses a threshold you set. The Elite plan, priced at $179 a month billed monthly, adds full API access so you can pull AI Scores directly into your own spreadsheet or trading bot instead of checking the dashboard by hand. Danelfin also ships a mobile app for iOS and Android that mirrors the web dashboard, so score alerts and watchlist updates show up as push notifications instead of requiring a daily login.

Danelfin's AI Score covers more than 13,000 US stocks and ETFs and refreshes once per trading day, but it has no coverage at all for options, crypto, or fixed income.

What is Koyfin and what do you get with each plan?

Koyfin started in 2018 as a free alternative to Bloomberg and FactSet terminals, and the free plan is still generous enough that many traders never upgrade. At $0 a month you get 2 years of historical financials, 1 year of analyst estimates, advanced charting across stocks, ETFs, and macro indicators, plus 2 watchlists, 2 screens, and 2 custom dashboards.

Upgrading to Plus at $39 a month unlocks 10 years of financials and estimates, a full stock and ETF screener, unlimited watchlists, screens, and dashboards, and company filings, transcripts, and press releases inside the platform. Premium at $79 a month adds portfolio-level analytics, unlimited custom data imports, and custom financial statement templates for building your own models.

Koyfin also sells two advisor-focused tiers, Advisor Core at $209 a month and Advisor Pro at $299 a month, built for RIAs who need client-facing reports and portfolio proposals rather than personal research. Those tiers are overkill for a solo trader; they exist because Koyfin increasingly serves wealth management firms alongside retail users.

Koyfin's free plan alone includes 2 years of financials and advanced charting across stocks, ETFs, and macro data, more than most brokers give away at $0 a month.

Danelfin vs Koyfin: pricing and plans compared

Side by side, Danelfin is cheaper at the entry tier and Koyfin is far more expensive at the top tier, once you line up comparable access levels.

At the entry tier, Danelfin's $29-a-month Plus plan is $10 cheaper than Koyfin's $39-a-month Plus plan, and both unlock the core paid feature, AI Score screening for Danelfin and the full screener for Koyfin. At the mid tier the two land at almost the same $79-a-month price point, which makes Danelfin Pro versus Koyfin Premium the fairest apples-to-apples comparison. From there the products diverge: Danelfin tops out at $179 a month for API access, while Koyfin scales up to $299 a month for advisor tooling most individual traders will never touch. Annual billing lowers the cost on either platform, with Danelfin's published annual pricing running roughly 15 to 25 percent below its monthly rate depending on tier, and Koyfin advertising about 30 percent off Plus when billed yearly.

At the $79-a-month mid tier, both Danelfin Pro and Koyfin Premium land at the same price, making that pair the cleanest head-to-head value comparison between the two platforms.

Danelfin vs Koyfin: which one fits your trading style?

Choose Danelfin if

Choose Koyfin if

Traders running a fast, top-down scan of the market tend to reach for Danelfin first; traders building a bottom-up thesis on a handful of names tend to reach for Koyfin first, and plenty of traders I've compared notes with in trading Discord communities pay for both at once.

• You want a ranked shortlist without reading a 10-K: pick Danelfin
• You want to build your own model from raw financials: pick Koyfin
• You trade options or need multi-asset coverage: neither tool alone is enough
• Your budget caps out around $30 a month: Danelfin Plus edges out Koyfin Plus by $10
• You manage client accounts: Koyfin's Advisor tiers are the only option between the two

The verdict

Danelfin and Koyfin are not really competing for the same dollar. Danelfin is a signal generator: pay $29 to $179 a month for an AI Score that tells you where to look first. Koyfin is a data terminal: pay $0 to $299 a month for the charts, financials, and dashboards to do the looking yourself.

If you have to pick just one and your process starts with 'what should I buy,' start with Danelfin's $29-a-month Plus plan and track whether the AI Score matches your own judgment over a month of paper trading before committing further. If your process starts with 'let me pull up the numbers,' Koyfin's free plan is good enough to test for weeks before you ever need to pay.

Combining Danelfin's $29-a-month Plus plan with Koyfin's free tier costs nothing beyond $29 a month and covers both stock screening and deep financial verification, the two steps neither platform handles alone.