VOL. XCIV, NO. 247

★ BEST INVESTING TOOLS COMPARISON ★

Sunday, May 31, 2026

Tool Comparison · Sunday, May 31, 2026

Letters and Reviews vs Stock Spinoff Investing

Letters and Reviews vs Stock Spinoff Investing: which investing tool fits your workflow? Compare pricing, features, platforms, and verdict in seconds.

Quick verdict
Letters and Reviews logo

Letters and Reviews

lettersandreviews.blogspot.com

Best for 13f

Pricing
Free
Platforms
Web
VS
Stock Spinoff Investing logo

Stock Spinoff Investing

stockspinoffinvesting.com

Best for calendar, and spin-offs

Pricing
Free • Paid plans available
Platforms
Web

Outbound links may include affiliate or sponsor codes.

Comparison snapshot

Attribute
Letters and Reviews
Stock Spinoff Investing
Starting price
Free
Free • Paid plans available
Categories covered
3
7
Web app
Yes
Yes
Mobile app
No
No
API access
No
No
Regions
North America, Europe, APAC
North America, Europe, APAC

Who should choose which?

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); latest public quarter observed is q4 2025.
  • You need quarterly **13-f pages** the author reads, with many entries including holdings tables and position-change flags (e.g., new / sold out / % of portfolio).
  • You need lightweight **about** page clarifies the goal: stock-idea discovery from letters; author shares links and invites tips via @_iinvested.
  • You need a small **podcasts** page curating investing/finance episodes the author plans to re-listen to.

Choose

Stock Spinoff Investing if…

  • You need spin-off calendar: upcoming table with parent/spinco, tickers, target timing, first-trade date, and resource links; plus a completed table with first-day price, current price, and return since spin-off.
  • You need premium research: roughly 1 new idea per month with detailed write-ups, weekly email updates, and a live monthly video q&a.
  • You need community: members-only discord for discussion and q&a with the author.
  • You need special situations occasionally covered, including odd-lot split-off and tender/reverse-split trades.

Consider alternatives if…

  • You want broader category coverage in one tool.
  • Neither pricing tier fits your budget.
See alternatives

Side-by-side feature breakdown

AttributeLetters and ReviewsStock Spinoff Investing
Asset types
StocksETFs
Stocks
Experience
BeginnerIntermediateAdvanced
BeginnerIntermediateAdvanced
Regions
North AmericaEuropeAPAC
North AmericaEuropeAPAC
Data freshness
Not specified
End of Day
API access
Not specifiedNot specified
Export formats
Not specifiedNot specified

Seen enough? Open either tool and try it now.

Pricing breakdown

Pricing details

Tool

Letters and Reviews

Starting price

Free tierYes
Free trial

Plans & pricing

FreeFree

Tool

Stock Spinoff Investing

$58.08/mo

Starting price

Free tierYes
Free trial

Plans & pricing

SSI Premium (Monthly)$97/mo
SSI Premium (Annual)$58.08/mo
Public Calendars (Free)Free

Coverage overlap

Shared categories2

Categories where both tools offer overlapping coverage.

Letters and Reviews strengths1

Categories covered by Letters and Reviews only.

Stock Spinoff Investing strengths5

Categories covered by Stock Spinoff Investing only.

Community category leaders

Vote sentiment comparison

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Still deciding? Get hands-on with both — most plans offer a free tier or trial.

Frequently Asked Questions

What's the difference between Letters and Reviews and Stock Spinoff Investing?

Letters and Reviews focuses on Stock Ideas, 13F, and Blogs while Stock Spinoff Investing specializes in Stock Ideas, Calendar, and Spin-offs. They overlap in 2 categories, so choose based on your preferred workflow and pricing.

How much do Letters and Reviews and Stock Spinoff Investing cost?

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

Should I choose Letters and Reviews or Stock Spinoff Investing?

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); latest public quarter observed is Q4 2025., 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 Stock Spinoff Investing if Spin-off Calendar: Upcoming table with parent/spinco, tickers, target timing, first-trade date, and resource links; plus a Completed table with first-day price, current price, and return since spin-off., and Premium research: roughly 1 new idea per month with detailed write-ups, weekly email updates, and a live monthly video Q&A. better fits how you invest.

What asset classes do Letters and Reviews and Stock Spinoff Investing cover?

Both cover Stocks. Letters and Reviews also includes ETFs.

Top 50 Investing ToolsGlobal ranking of the best investing tools, ranked by community votes.

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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.