Koyfin Review: Is This Bloomberg Alternative Worth It?

You’ve outgrown Yahoo Finance. The screeners are basic, the data is delayed, and you’re tired of toggling between six different tabs to piece together a company’s story. Someone mentioned Koyfin—“Bloomberg for retail investors”—and now you’re wondering if $39/month is the edge you’ve been missing.

Here’s the uncomfortable question you’re not asking: Will better data actually make you a better investor?

Quick Verdict: Who Should Use Koyfin

Koyfin is worth it for self-directed investors who do their own fundamental analysis. At $468/year for the Plus tier, you get 10 years of historical financials, 100,000+ global securities, and professional-grade screening tools—roughly 98% cheaper than Bloomberg’s $24,000/year price tag.

The catch: Koyfin is a power tool, not a stock-picking service. It gives you institutional-quality data, but you have to analyze it. If you’re looking for someone to tell you what to buy, this is the wrong product.

Rating: 4.0/5 — Best-in-class value for serious DIY investors. Not for passive investors or beginners.

Best for: Self-directed analysts who want tools, not stock picks.

What Koyfin Actually Is (And Isn’t)

Let’s challenge an assumption most reviewers won’t touch: more data doesn’t equal better returns.

The S&P 500 has returned over 20% annually in both 2023 and 2024. Yet within that rising tide, the spread between the best and worst performers exceeds 500 percentage points. That dispersion proves stock selection matters—but it doesn’t prove that data is the bottleneck.

Most retail investors don’t underperform because they lack data. They underperform because they lack process. They buy on emotion, sell on fear, and chase whatever’s already moved.

Koyfin won’t fix that. No tool will.

What Koyfin does do is remove data access as an excuse. If you have a sound investment process—a framework for valuation, a checklist for quality, a discipline for position sizing—Koyfin gives you the raw materials to execute that process at a professional level.

If you don’t have a process, Koyfin will just help you make bad decisions faster.

What You Get With Koyfin

Rob Koyfman founded Koyfin in 2016 after years at Goldman Sachs and Citigroup, frustrated that retail investors were stuck with “old, outdated and overpriced data platforms.” The platform now serves 500,000+ users who wanted an alternative to Bloomberg’s $24,000/year terminal.

Core Features (Plus Tier — $468/year)

Data Coverage:

• 100,000+ global securities (stocks, ETFs, mutual funds, indices, currencies, commodities, crypto)
• 10 years of historical financials and analyst estimates
• 5,900+ filter criteria for screening
• ETF holdings data
• Premium news, transcripts, and SEC filings

Analysis Tools:

• Customizable dashboards with drag-and-drop functionality
• Advanced charting with technical indicators
• Equity screener across global markets
• Portfolio tracking and performance analysis
• Company snapshots with comprehensive financial data

User Experience:

• Web-based platform (app.koyfin.com)
• iOS and Android mobile apps
• 6 customizable color themes
• Unlimited watchlists and screens

The interface is clean and modern—a stark contrast to Bloomberg’s 1990s aesthetic. Everything is customizable. You can build dashboards that show exactly what you care about, nothing you don’t.

Try Koyfin — 30-Day Money-Back Guarantee

How Koyfin Compares to Alternatives

Here’s where most Koyfin reviews fail you: they compare it to Bloomberg and declare victory because it’s cheaper. That’s lazy analysis. Let’s compare it to what you’re actually considering.

The honest comparison:

• vs. Free tools: Koyfin’s screening is dramatically better. 5,900+ filter criteria vs. Yahoo’s handful. 10 years of data vs. 2. If you’re doing any serious fundamental analysis, free tools are a bottleneck.

• vs. YCharts: Similar functionality at 13% of the price. Our YCharts review shows it’s better for advisors who need client-ready reports. For individual investors, Koyfin wins on value.

• vs. Bloomberg: You get 80-90% of the functionality at 2% of the cost. Bloomberg has deeper fixed income data and real-time news that matters for professional traders. For equity analysis? Koyfin is sufficient.

For a detailed comparison of Koyfin against other research platforms, see our Koyfin vs TIKR breakdown and Koyfin vs Morningstar comparison.

Explore Koyfin’s Free Tier

Pricing Breakdown: The Real Cost

Annual Plans (30% savings vs. monthly):

The value math:

At $468/year, you’re paying $1.28/day for institutional-quality data. If that data helps you avoid one bad investment decision—say, buying a stock with deteriorating fundamentals that drops 30%—the service pays for itself many times over.

But here’s the catch: the data only creates value if you use it. Most people who subscribe to research tools don’t use them consistently. They sign up with good intentions, log in a few times, then forget about it.

Be honest with yourself: Will you actually build screens, analyze financials, and track your portfolio? If yes, Koyfin is a bargain. If no, save your money.

Guarantee: 100% satisfaction guarantee with full refund within 30 days.

Start With Koyfin Plus — $468/year

The Trade-Offs: Pros and Cons

What Koyfin Does Well

• Value: 98% cheaper than Bloomberg for 80-90% of the functionality
• Data depth: 10 years of financials, 5,900+ screening criteria, global coverage
• Customization: Build dashboards that match your exact workflow
• Modern UX: Clean interface that doesn’t feel like software from 2003
• Free tier: Permanent free option to test before committing

What Koyfin Doesn’t Do

• No stock picks: This is a tool, not a recommendation service. If you want someone to tell you what to buy, look at Motley Fool Stock Advisor or Alpha Picks instead.
• No real-time data for all markets: Some exchanges have delayed data. Day traders need something else.
• Learning curve: The platform is powerful, which means it takes time to master. Budget a few hours to set up your workspace.
• No API access: If you want to build automated systems, you’ll need to look elsewhere.

Who Koyfin Is For (And Who It’s Not For)

This Is For You If:

• You do your own fundamental analysis. You read 10-Ks, compare valuation multiples, and screen for specific criteria. Koyfin gives you the data to do this efficiently.

• You’ve outgrown free tools. Yahoo Finance’s screener frustrates you. You want more data, more filters, more customization.

• You’re a financial advisor. The Advisor tiers include client reporting, custodian integrations, and model portfolios at a fraction of YCharts’ price.

• You’re a student or early-career analyst. You can’t afford Bloomberg but want to develop professional-grade skills. Koyfin is the training ground.

This Is NOT For You If:

• You want stock picks. Koyfin gives you data, not recommendations. If you want someone to tell you what to buy, try Stock Advisor ($99/year) or Alpha Picks ($449/year) instead.

• You’re a day trader. Koyfin is built for fundamental analysis, not real-time trading. Look at TradingView for charting or Trade Ideas for scanning.

• You’re a passive investor. If your strategy is “buy index funds and hold forever,” you don’t need Koyfin. You don’t need any research tool. Just buy VTI and go live your life.

• You won’t actually use it. Be honest. If you’re not going to log in regularly and do the work, don’t pay for tools you won’t use.

Best Alternatives to Koyfin

For stock picks instead of data:

• Motley Fool Stock Advisor — $99/year for 2 stock picks monthly with 750%+ track record
• Alpha Picks — $449/year for quant-driven value picks

For technical analysis:

• TradingView — $179/year for best-in-class charting

For cheaper fundamental research:

• Simply Wall St — $120/year for visual, infographic-style analysis. See our Simply Wall St review for the full breakdown.

For advisors with bigger budgets:

• YCharts — $3,600/year for client-ready reports and deeper functionality. Read our YCharts review for details on advisor-focused features.

Final Verdict: Is Koyfin Worth It?

Yes, if you’re a self-directed investor who does fundamental analysis.

Koyfin is the best value in serious investment research tools. At $468/year, you get institutional-quality data that would cost $24,000 from Bloomberg. The interface is modern, the data is comprehensive, and the screening capabilities are genuinely powerful.

But remember the uncomfortable truth from the beginning: data doesn’t make decisions. You do.

The investors who get value from Koyfin are the ones who already have a process—a framework for how they evaluate companies, a discipline for when they buy and sell. Koyfin gives them better inputs. It doesn’t give them better judgment.

If you’re ready to do the work, Koyfin is worth every penny. If you’re hoping a tool will make investing easy, save your money. No tool does that.

For a broader look at all research platforms available, explore our guide to the best stock research websites.

Try Koyfin — 30-Day Money-Back Guarantee

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FAQ

Is Koyfin worth the money?

Yes, for self-directed investors who do their own analysis. At $468/year for the Plus tier, Koyfin provides 10 years of historical financials, 100,000+ global securities, and 5,900+ screening criteria—roughly 98% cheaper than Bloomberg. The value depends entirely on whether you’ll actually use the data. If you have a research process and will log in regularly, it’s a bargain. If you want stock picks handed to you, it’s the wrong product.

What are the best alternatives to Koyfin?

For stock picks instead of data tools, consider Motley Fool Stock Advisor ($99/year) or Alpha Picks ($449/year). For technical analysis and charting, TradingView ($179/year) is the gold standard. For cheaper fundamental research, Simply Wall St ($120/year) offers visual analysis at a lower price point. For advisors with larger budgets, YCharts ($3,600/year) provides deeper functionality and client-ready reports. See our full comparison in the best stock research websites guide.

Koyfin vs Bloomberg—which is better?

Koyfin is better for most individual investors. Bloomberg costs $24,000/year and is built for institutional traders who need real-time fixed income data, chat functions, and news terminals. Koyfin costs $468/year and provides 80-90% of the equity research functionality. Unless you’re a professional trader at a hedge fund, Koyfin delivers more value per dollar. For detailed comparisons with other platforms, check our Koyfin vs TIKR and Koyfin vs Morningstar breakdowns.

How do I cancel Koyfin?

You can cancel your Koyfin subscription anytime through your account settings. Your access continues through the end of your current billing period. Koyfin offers a 100% satisfaction guarantee with a full refund within 30 days if you’re not satisfied—no questions asked.

Is Koyfin good for beginners?

It depends on what kind of beginner you are. If you’re new to investing but eager to learn fundamental analysis, Koyfin’s free tier lets you explore the platform without commitment. However, if you’re looking for guidance on what to buy, Koyfin won’t help—it provides data, not recommendations. Beginners who want stock picks should start with Stock Advisor or explore our best stock advisors guide, then graduate to Koyfin once they want to do their own research.

Does Koyfin have a free version?

Yes, Koyfin offers a permanent free tier. The free version includes 2 years of historical financials, 2 watchlists, 2 custom screens, and limited company snapshots. It’s enough to test the platform and do basic research. Upgrading to Plus ($468/year) unlocks 10 years of data, unlimited watchlists and screens, ETF holdings, premium news, and transcripts.

What data sources does Koyfin use?

Koyfin aggregates data from institutional-grade providers including S&P Global Market Intelligence, Morningstar, and Refinitiv. The platform covers 100,000+ global securities across 50+ exchanges, with financial data spanning income statements, balance sheets, cash flow statements, and key ratios. Analyst estimates come from major Wall Street firms, and the platform includes 10 years of historical data on the Plus tier. This multi-source approach ensures data accuracy comparable to Bloomberg terminals, which is why Koyfin has become the go-to alternative for hedge fund analysts and professional investors who left institutional roles.

Can I use Koyfin on my phone or tablet?

Yes, Koyfin offers fully-featured iOS and Android mobile apps. The mobile apps sync with your web account, giving you access to your watchlists, custom screens, and dashboards on the go. You can view real-time quotes (where available), check portfolio performance, and read news and transcripts from your phone. The mobile experience mirrors approximately 90% of the desktop functionality, making it practical for investors who want to monitor positions or check data while away from their computer. App Store ratings average 4.5+ stars across both platforms.

Does Koyfin offer real-time data?

Koyfin provides real-time data for major US exchanges (NYSE, NASDAQ) on paid plans, with 15-20 minute delays on some international exchanges. The Plus tier ($468/year) includes real-time US quotes, which is sufficient for fundamental investors who don’t need millisecond precision. However, active day traders requiring tick-by-tick data across all global markets should note that some exchanges have inherent delays due to data licensing agreements. For pure technical trading with real-time requirements across all markets, platforms like TradingView or broker-provided tools may be more appropriate. Koyfin’s strength is fundamental analysis, not high-frequency trading.