★ BEST INVESTING TOOLS COMPARISON ★
VOL. XCIV, NO. 247
Tool comparison edition
Tool Comparison
DATAROMA vs Letters and Reviews
Pick DATAROMA if
DATAROMA
Free · Web
- You care about insider data, something Letters and Reviews doesn't offer
- You're a long-term investor who cares more about fundamentals than headlines
Pick Letters and Reviews if
Letters and Reviews
Free · Web
- You care about blogs, something DATAROMA 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
DATAROMA and Letters and Reviews cover a lot of the same ground (2 shared categories, stock ideas and institutional ownership), so for the basics you won't go far wrong with either. The real difference is focus: only DATAROMA gives you insider data, and only Letters and Reviews gives you blogs.
What readers say
DATAROMA
Vote once to reveal the community verdict.
Letters and Reviews
Vote once to reveal the community verdict.
Key differences at a glance
- Global coverage
- Letters and Reviews
- 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 |
Free tier | Yes | Yes |
Free trial | — | — |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | No | No |
API access | No | No |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | Retail Traders, Pro Retail +4 more | — |
Categories covered | 3 | 3 |
Regions | North America | North America, Europe, APAC |
| Try it | Visit DATAROMA | Visit Letters and Reviews |
Where each one shines
What DATAROMA and Letters and Reviews each do best.ShowHide
Where each one shines
What DATAROMA and Letters and Reviews each do best.What DATAROMA does best
- Browsing access to curated superinvestor portfolios from well-known value investors and see each manager's reported holdings in one simple table.
- Views for reviewing position size, portfolio weight, share count, reported price, current price, activity labels, and 52-week context for tracked holdings.
- Comparison tools for quarter-based portfolio changes, top buys, top sells, and manager-level activity from public filing data.
- The Superinvestor Holdings Summary and Grand Portfolio views to see which stocks appear across multiple tracked investors.
- Stock pages for Super Investor Stats, ownership count, rank across tracked portfolios, and related insider buying or selling summaries.
What Letters and Reviews does best
- Browsing access to quarterly fund-manager-letter pages with fund names, dates, source links, and stocks mentioned in each letter.
- Ticker links as quick-reference starting points when a manager letter mentions a company worth researching further.
- Views for reviewing quarterly 13F pages the curator follows, including holdings tables and activity flags for many managers where available.
- Discovery tools for stock-idea leads from manager commentary before moving to filings, transcripts, valuation work, and your own thesis checks.
- The archive as a free supplement to paid manager-letter databases or 13F platforms when a lightweight source map is enough.
Every detail we compared
Every tracked attribute for DATAROMA and Letters and Reviews, side by side.ShowHide
Every detail we compared
Every tracked attribute for DATAROMA and Letters and Reviews, side by side.| Attribute | | |
|---|---|---|
| Coverage & fit | ||
Asset types | StocksETFs | StocksETFs |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Target audience | Retail TradersPro RetailLong-term InvestorsValue InvestorsAnalystsStudents/Researchers | Not specified |
Regions | North America | North AmericaEuropeAPAC |
Coverage details | Identifiers: Ticker | Identifiers: Ticker |
| Plans & trust | ||
Vendor & support | Not specified | Letters and Reviews (Blogger)Support: Email |
Curation ratings | Not specified | Methodology 3/5Reliability 3/5UX 3/5 |
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 | — | Free |
Questions we keep getting
What's the difference between DATAROMA and Letters and Reviews?
DATAROMA leans toward stock ideas, institutional ownership, and insider data, while Letters and Reviews puts more weight on stock ideas, institutional ownership, and blogs. They overlap in 2 categories, so for most people it comes down to workflow preference and price.
How much do DATAROMA and Letters and Reviews cost?
Good news: both DATAROMA and Letters and Reviews have free plans, so you can run them side by side and only pay if you hit a wall.
Should I choose DATAROMA or Letters and Reviews?
It depends on what you're after. Pick DATAROMA if insider data matter to you; go with Letters and Reviews if you'd rather have blogs. And if you only need the basics both share, let price decide.
Which covers international markets: DATAROMA or Letters and Reviews?
Letters and Reviews has documented international coverage (North America, Europe, and APAC), so it's the safer bet if you hold non-US stocks. DATAROMA is more region-specific, mainly North America.
Keep researching
More comparisons to check
Other tools you might like
Keep Exploring
Feedback
Spot stale pricing, missing features, or a comparison that feels off? Send feedback on the verdict, table, alternatives, or recommendation.
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.