★ BEST INVESTING TOOLS COMPARISON ★
VOL. XCIV, NO. 247
Tool comparison edition
Tool Comparison
Berkshire Hathaway Archive (Memorex) vs Koyfin
Pick Berkshire Hathaway Archive (Memorex) instead if
Berkshire Hathaway Archive (Memorex)
Free · Web
- You care about education, something Koyfin doesn't offer
Start here
Koyfin
Free • From $39/mo · Web · Mobile
- Delayed quotes won't cut it; you need real-time data
- You do a lot of your research from your phone
- You care about screeners, ETF screeners, and data visualizations, things Berkshire Hathaway Archive (Memorex) doesn't offer
Skip both if: Neither one clicks with how you research; there are strong third options.
See alternativesOutbound links may include affiliate or sponsor codes.
Our take
The bottom line
Berkshire Hathaway Archive (Memorex) and Koyfin cover a lot of the same ground (2 shared categories, transcripts and AI research), so for the basics you won't go far wrong with either. Koyfin simply does more: 20 categories to Berkshire Hathaway Archive (Memorex)'s 3, including screeners, ETF screeners, and data visualizations, plus a mobile app. Berkshire Hathaway Archive (Memorex) counters by being completely free.
What readers say
Berkshire Hathaway Archive (Memorex)
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Koyfin
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Key differences at a glance
- Real-time data
- Koyfin
- Broader coverage
- Koyfin20 vs 3 categories
- Mobile app
- Koyfin
- Broker sync
- Koyfin
- Asset coverage
- KoyfinAdds ETFs and mutual funds
- Free plan
- Both
See for yourself
How they stack up
The side-by-side table: pricing, platforms, data, and coverage at a glance.ShowHide
How they stack up
The side-by-side table: pricing, platforms, data, and coverage at a glance.| Attribute | ||
|---|---|---|
| Pricing & plans | ||
Starting price | Free | Free • From $39/mo |
Free tier | Yes | Yes |
Free trial | — | — |
Plan limits | — | 24 limits: Free: watchlists: 2, Free: screens: 2 +22 more |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | No | Yes |
API access | No | No |
Broker sync | No | Yes |
Integrations | — | Schwab, Altruist +6 more |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | — | Retail Traders, Pro Retail +6 more |
Categories covered | 3 | 20 |
Regions | — | North America, Europe, APAC, LatAm, Middle East, Africa |
| Data & capabilities | ||
Data quality | — | Latency: Real-time, 15-min Delayed, and End of Day and Adjustments: TotalReturn |
Data partners | — | 6 partners: S&P Global Market Intelligence, Morningstar +4 more |
Capabilities | — | 7 signals: Universe builder, Broker sync +5 more |
Security | — | 4 signals: SOC2, Data residency: US +2 more |
| Try it | Visit Berkshire Hathaway Archive (Memorex) | Visit Koyfin |
Where each one shines
What Berkshire Hathaway Archive (Memorex) and Koyfin each do best.ShowHide
Where each one shines
What Berkshire Hathaway Archive (Memorex) and Koyfin each do best.What Berkshire Hathaway Archive (Memorex) does best
- Search Berkshire Hathaway shareholder letters and annual meeting transcripts from one focused web archive.
- Use topic, subject, question, and similarity-style search modes to find passages by meaning rather than exact keywords only.
- Research Buffett and Berkshire language around capital allocation, business quality, incentives, insurance, valuation, and long-term investing.
- Use the archive for education, source retrieval, quote discovery, and investment-process research.
- Review update history to understand when newer Berkshire letters or annual meeting content were added.
What Koyfin does best
- Build customizable dashboards, watchlists, charts, and market monitors across global equities, ETFs, funds, fixed income, FX, commodities, crypto, indices, and economics.
- Screen more than 100,000 global securities with thousands of criteria, with stock and ETF screening on paid plans and mutual-fund screening in Advisor tiers.
- Use advanced charts with technical indicators, fundamentals, valuation measures, analyst estimates, price targets, templates, sharing, and downloads where vendor licenses allow.
- Research companies with financial analysis pages, customizable financial templates, news, filings, transcripts, analyst data, short interest, and AI transcript summaries on paid plans.
- Track portfolios with grouping, notes, summary rows, alerts, custom data series, uploaded CSV price history, and mobile portfolio monitoring.
Every detail we compared
Every tracked attribute for Berkshire Hathaway Archive (Memorex) and Koyfin, side by side.ShowHide
Every detail we compared
Every tracked attribute for Berkshire Hathaway Archive (Memorex) and Koyfin, side by side.| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | Stocks | StocksETFsMutual FundsClosed-End FundsBondsCurrenciesCommoditiesFutures+1 more |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Target audience | Not specified | Retail TradersPro RetailInstitutional InvestorsAnalystsAsset ManagersFinancial AdvisorsRIAs / Wealth FirmsStudents/Researchers |
Regions | Not specified | North AmericaEuropeAPACLatAmMiddle EastAfrica |
Coverage details | Not specified | Identifiers: Ticker |
| Data | ||
Data freshness | Not specified | Real-time15-min DelayedEnd of Day |
Data partners | Not specified | S&P Global Market IntelligenceMorningstarFREDTrading EconomicsTrueFXPolygon.io |
| Access & integrations | ||
Import methods | Not specified | ManualCSVCustodian |
Integrations | Not specified | SchwabAltruistTradePMRInteractive BrokersBlack DiamondOrionFidelityAddepar |
Export formats | Not specified | CSVImagePDF |
| Plans & trust | ||
Security & compliance | Not specified | SOC2Data residency: USEncryption at restEncryption in transit |
Capability signals | Not specified | Universe builderBroker syncYield curvesAI summaries: TranscriptsHouseholdingModel portfoliosClient reporting |
Vendor & support | Max Olson | Koyfin, Inc.Country: United StatesFounded 2016Support: Email |
Green tags are exclusive to that tool in this comparison.
What you'll actually pay
Plans, billing, trials, and per-month pricing for both tools.ShowHide
What you'll actually pay
Plans, billing, trials, and per-month pricing for both tools.| Tier | ||
|---|---|---|
| Free plan | — | Freewatchlists: 2 · screens: 2 · +5 more |
| Entry paid plan | — | $39/mo“Plus”financials years: 10 · estimates years: 10 · +5 more |
| Tier 2 | — | $79/mo“Premium”alerts: 500 · custom securities: Unlimited |
| Tier 3 | — | $209/mo“Advisor Core”alerts: 500 · reports per month: 10 · +2 more |
| Top plan | — | $299/mo“Advisor Pro”alerts: 500 · reports per month: 200 · +2 more |
| Custom / enterprise | — | Contact sales“Teams” |
Questions we keep getting
What's the difference between Berkshire Hathaway Archive (Memorex) and Koyfin?
Berkshire Hathaway Archive (Memorex) leans toward transcripts, AI research, and education, while Koyfin puts more weight on screeners, ETF screeners, and data visualizations. They overlap in 2 categories, so for most people it comes down to workflow preference and price.
How much do Berkshire Hathaway Archive (Memorex) and Koyfin cost?
Good news: both Berkshire Hathaway Archive (Memorex) and Koyfin have free plans, so you can run them side by side and only pay if you hit a wall.
Can I use Berkshire Hathaway Archive (Memorex) or Koyfin on my phone?
Koyfin lists a dedicated mobile app, so it travels better. Berkshire Hathaway Archive (Memorex) doesn't list a dedicated mobile app; its documented access is web.
Should I choose Berkshire Hathaway Archive (Memorex) or Koyfin?
It depends on what you're after. Pick Berkshire Hathaway Archive (Memorex) if education matter to you; go with Koyfin if you'd rather have screeners and ETF screeners. And if you only need the basics both share, let price decide.
What asset classes do Berkshire Hathaway Archive (Memorex) and Koyfin cover?
Both cover stocks. Koyfin adds ETFs, mutual funds, and closed-end funds on top.
Does Berkshire Hathaway Archive (Memorex) or Koyfin have real-time data?
Koyfin offers real-time data, which matters if you trade actively. Berkshire Hathaway Archive (Memorex) runs on delayed or end-of-day data, which is perfectly fine for longer-term investors who don't live and die by the tick.
Can I export data from Berkshire Hathaway Archive (Memorex) and Koyfin?
Koyfin exports to CSV. Berkshire Hathaway Archive (Memorex) is stingier about getting data out.
Can Berkshire Hathaway Archive (Memorex) or Koyfin connect to my broker?
Koyfin syncs with brokers automatically. With Berkshire Hathaway Archive (Memorex), you're entering holdings by hand or importing files.
Which has a better stock screener: Berkshire Hathaway Archive (Memorex) or Koyfin?
Koyfin has a stock screener for surfacing ideas; Berkshire Hathaway Archive (Memorex) doesn't, and focuses its energy elsewhere.
Can I track my portfolio with Berkshire Hathaway Archive (Memorex) or Koyfin?
Koyfin handles portfolio tracking. Berkshire Hathaway Archive (Memorex) is really a research tool; you'd track your portfolio elsewhere.
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Curation & Accuracy
This directory blends AI‑assisted discovery with human curation. Entries are reviewed, edited, and organized with the goal of expanding coverage and sharpening quality over time. Your feedback helps steer improvements (because no single human can capture everything all at once).
Details change. Pricing, features, and availability may be incomplete or out of date. Treat listings as a starting point and verify on the provider’s site before making decisions. If you spot an error or a gap, send a quick note and I’ll adjust.