VOL. XCIV, NO. 247

★ BEST INVESTING TOOLS COMPARISON ★

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Thursday, January 8, 2026

Tool Comparison

Berkshire Hathaway Archive (Memorex) vs Koyfin comparison

Compare pricing, supported platforms, categories, and standout capabilities to decide which tool fits your workflow.

Berkshire Hathaway Archive (Memorex) logo

Berkshire Hathaway Archive (Memorex)

berkshire.memorex.ai

PricingFree
PlatformsWeb
Koyfin logo

Koyfin

koyfin.com

PricingFree, Subscription
PlatformsWeb, Mobile
Editor's pickHands-on review

Comparison highlights

  • Tool score: the chart below shows community vote sentiment over the last 8 weeks. Use it as a signal, not a verdict.
  • Overlap: both cover Transcripts, and Education.
  • Coverage tilt: Berkshire Hathaway Archive (Memorex) has 1 categories you won't get in Koyfin; Koyfin has 30 unique categories.
  • Pricing: Berkshire Hathaway Archive (Memorex) is Free; Koyfin is Free, Subscription.

Category leaders

  • Screeners: Koyfin leads (+2 vs 0 net votes for Berkshire Hathaway Archive (Memorex)).
  • Portfolio: Koyfin leads (+2 vs 0 net votes for Berkshire Hathaway Archive (Memorex)).
  • Watchlist: Koyfin leads (+3 vs 0 net votes for Berkshire Hathaway Archive (Memorex)).
  • News: Koyfin is tagged for this workflow; Berkshire Hathaway Archive (Memorex) has no category votes yet.
  • Data Visualizations: Koyfin leads (+3 vs 0 net votes for Berkshire Hathaway Archive (Memorex)).

Vote sentiment comparison

Cumulative positive vote share. Loading fresh totals...

Berkshire Hathaway Archive (Memorex)Koyfin

Side-by-side metrics

AttributeBerkshire Hathaway Archive (Memorex)Koyfin
Asset types

Supported asset classes and universes

Stocks

Stocks, ETFs, Mutual Funds, Closed-End Funds, Bonds, Commodities, Currencies, Cryptos, Futures, Funds

Experience levels

Who each product is built for

Beginner, Intermediate, Advanced

Beginner, Intermediate, Advanced

Platforms

Where you can access the product

Web

Web, Mobile

Pricing

High-level pricing models

Free

Free, Subscription

Tested

Verified by hands-on testing inside Find My Moat

Not yet

Yes

Editor pick

Featured inside curated shortlists

Standard listing

Highlighted

Coverage overlap

Shared categories

Categories where both tools offer overlapping coverage.

Berkshire Hathaway Archive (Memorex) strengths

Categories covered by Berkshire Hathaway Archive (Memorex) but not Koyfin.

Frequently Asked Questions

Which workflows do Berkshire Hathaway Archive (Memorex) and Koyfin both support?

Both platforms cover Transcripts, and Education workflows, so you can research those use cases in either tool before digging into the feature differences below.

Do Berkshire Hathaway Archive (Memorex) and Koyfin require subscriptions?

Both Berkshire Hathaway Archive (Memorex) and Koyfin keep freemium access with optional paid upgrades, so you can trial each platform before committing.

Which tool has mobile access?

Koyfin ships a dedicated mobile experience, while Berkshire Hathaway Archive (Memorex) focuses on web or desktop access.

What unique strengths set the two platforms apart?

Berkshire Hathaway Archive (Memorex) differentiates itself with Digital archive of Berkshire Hathaway, including Warren Buffett's letters to shareholders and annual meeting transcripts., Search modes described on the site include topic/subject/question/similarity, with example queries., and Creator describes the Memorex interface as semantic "search by meaning" over a document collection (chat UI noted as future work)., whereas Koyfin stands out for Global multi‑asset data terminal covering equities, ETFs, mutual funds, indices, government bond yields, FX, commodities, cryptocurrencies, news, transcripts and global economics in one interface, with financials, margins, consensus estimates and valuation ratios for all global stocks., Combination of live, 15‑minute delayed and end‑of‑day pricing: live/15‑minute delayed US equities & ETFs, 15‑minute delayed Canadian equities, end‑of‑day prices for other equity markets, live FX for ~60 pairs and bitcoin, plus live bond yields for 45 countries and yield curves for 20 countries., and Customizable watchlists, dashboards and macro dashboards with table views, historical graphs and scatter charts so you can monitor price, valuation, technicals, news and macro series in a single workspace..

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.