VOL. XCIV, NO. 247

★ BEST INVESTING TOOLS COMPARISON ★

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Friday, January 30, 2026

Tool Comparison

Letters and Reviews vs WhaleWisdom comparison

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

Letters and Reviews logo

Letters and Reviews

lettersandreviews.blogspot.com

PricingFree
PlatformsWeb
WhaleWisdom logo

WhaleWisdom

whalewisdom.com

PricingFree, Subscription
PlatformsWeb, API
Top 50 Investing ToolsThe global ranking of the best investing tools, ranked by community votes.

At a glance

Platforms
Letters and ReviewsWeb
WhaleWisdomWeb, API
Categories
Letters and Reviews3
WhaleWisdom4
Pricing details
Letters and ReviewsWhaleWisdom
Free tier
Free trial
Starting price
Enterprise option
Available plansFreeFree, Premium, API

Vote sentiment comparison

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Platform details

AttributeLetters and ReviewsWhaleWisdom
Asset types
StocksETFs
StocksETFs
Experience
BeginnerIntermediateAdvanced
BeginnerIntermediateAdvanced
Regions
North AmericaEuropeAPAC
North America
Data freshness
Not specifiedNot specified
API access
Not specified
REST
Export formats
Not specified
CSV

Coverage overlap

Shared categories2

Categories where both tools offer overlapping coverage.

Letters and Reviews strengths1

Categories covered by Letters and Reviews only.

WhaleWisdom strengths2

Categories covered by WhaleWisdom only.

Frequently Asked Questions

What's the difference between Letters and Reviews and WhaleWisdom?

Letters and Reviews focuses on Stock Ideas, 13F, and Blogs while WhaleWisdom specializes in Institutional Data, 13F, and Investor Holdings. They overlap in 2 categories, so choose based on your preferred workflow and pricing.

How much do Letters and Reviews and WhaleWisdom cost?

Good news—both Letters and Reviews and WhaleWisdom offer free plans. You can try each platform without commitment and only pay when you need premium features.

Does Letters and Reviews or WhaleWisdom have an API?

WhaleWisdom provides API access for programmatic data retrieval and custom integrations. Letters and Reviews doesn't currently offer an API, so you'll need to use their web interface.

Should I choose Letters and Reviews or WhaleWisdom?

Choose Letters and Reviews if you need Quarterly **Fund Manager Letters** pages with the fund name, date, and a "Stocks Mentioned" column (tickers link out for quick lookup)., and Quarterly **13-F pages** the author reads, with many entries including holdings tables and position-change flags (e.g., NEW / Sold Out / % of portfolio).. Go with WhaleWisdom if Rank hedge fund managers by performance, risk-adjusted returns, and recent filings., and Pull 13F, 13D/G, insider trades, and sector exposures into custom portfolios and alerts. better fits how you invest.

Can I export data from Letters and Reviews and WhaleWisdom?

WhaleWisdom supports data exports to CSV. Letters and Reviews has more limited export options.

Keep Exploring

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.