★ BEST INVESTING TOOLS COMPARISON ★
VOL. XCIV, NO. 247
Tool comparison edition
Tool Comparison
Letters and Reviews vs Smartkarma
Letters and Reviews
Best for institutional ownership
Free
Smartkarma
Best for screeners and watchlist
Free • Paid plans available
Outbound links may include affiliate or sponsor codes.
The verdict
The bottom line
Letters and Reviews and Smartkarma cover a lot of the same ground (2 shared categories, stock ideas and blogs), so for the basics you won't go far wrong with either. Smartkarma simply does more: 10 categories to Letters and Reviews's 3, including screeners, watchlist, and news, plus a mobile app. Letters and Reviews counters by being completely free.
Key differences at a glance
- Mobile app
- Smartkarma
- Broader coverage
- Smartkarma10 vs 3 categories
- Asset coverage
- SmartkarmaAdds bonds and currencies
- Free plan
- Both
Choose
Letters and Reviews if…
- You care about institutional ownership, something Smartkarma doesn't offer
Choose
Smartkarma if…
- You do a lot of your research from your phone
- You care about screeners, watchlist, and news, things Letters and Reviews doesn't offer
Comparison snapshot
| Attribute | | |
|---|---|---|
| Pricing & plans | ||
Starting price | Free | Free • Paid plans available |
Free tier | Yes | Yes |
Free trial | — | — |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | No | Yes |
API access | No | No |
Broker sync | — | No |
Integrations | — | Bloomberg Terminal |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | — | — |
Categories covered | 3 | 10 |
Regions | North America, Europe, APAC | North America, Europe, APAC, LatAm, Middle East, Africa |
| Data & capabilities | ||
Data quality | — | Corporate actions: Current |
Capabilities | — | Universe builder and Factors: Value, Quality, Momentum, and Growth |
| Try it | Visit Letters and Reviews | Visit Smartkarma |
Standout features
What Letters and Reviews does best
- 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.
- Quarterly **13-F pages** the author reads, with many entries including holdings tables and position-change flags (e.g., NEW / Sold Out / % of portfolio).
- Lightweight **About** page clarifies the goal: stock-idea discovery from letters; author shares links and invites tips via @_iinvested.
- A small **Podcasts** page curating investing/finance episodes the author plans to re-listen to.
What Smartkarma does best
- AI-augmented research hub delivering real-time, actionable insights with direct access to top-ranked analysts.
- SmartScore Screener covers five factors-Value, Dividend, Growth, Resilience, and Momentum-with filters by country, sector, and market cap.
- Relative Value tool highlights HoldCo and share-class pair opportunities, with proprietary Actionability/Investability scores and z-score diagnostics.
- Personalised watchlists and real-time notifications, with opt-in email alerts when relevant insights are published.
- Research is distributed simultaneously on the platform, via alerts/email, and syndicated to Bloomberg Terminal.
Data & access details
| Attribute | | |
|---|---|---|
| Coverage & fit | ||
Asset types | StocksETFs | StocksETFsBondsCurrenciesCryptos |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Regions | North AmericaEuropeAPAC | North AmericaEuropeAPACLatAmMiddle EastAfrica |
Coverage details | Identifiers: Ticker | Identifiers: Ticker |
| Access & integrations | ||
Integrations | Not specified | Bloomberg Terminal |
| Plans & trust | ||
Capability signals | Not specified | Universe builderFactors: Value, Quality, Momentum, and Growth |
Vendor & support | Letters and Reviews (Blogger)Support: Email | Smartkarma Innovations Pte LtdCountry: Singapore |
Curation ratings | Methodology 3/5Reliability 3/5UX 3/5 | Methodology 4/5Reliability 4/5UX 4/5 |
Green tags are exclusive to that tool in this comparison.
Pricing breakdown
Free
Starting price
Plans & pricing
Free
Starting price
Plans & pricing
Coverage overlap
Shared categories
2Where the two tools cover the same ground.
Letters and Reviews strengths
1What you only get with Letters and Reviews.
Smartkarma strengths
8What you only get with Smartkarma.
Community category leaders
Vote sentiment comparison
Loading sentiment chart...
Frequently Asked Questions
What's the difference between Letters and Reviews and Smartkarma?
Letters and Reviews leans toward stock ideas, institutional ownership, and blogs, while Smartkarma puts more weight on stock ideas, screeners, and watchlist. They overlap in 2 categories, so for most people it comes down to workflow preference and price.
How much do Letters and Reviews and Smartkarma cost?
Good news: both Letters and Reviews and Smartkarma have free plans, so you can run them side by side and only pay if you hit a wall.
Can I use Letters and Reviews or Smartkarma on my phone?
Smartkarma lists a dedicated mobile app, so it travels better. Letters and Reviews doesn't list a dedicated mobile app; its documented access is web.
Should I choose Letters and Reviews or Smartkarma?
It depends on what you're after. Pick Letters and Reviews if institutional ownership matter to you; go with Smartkarma if you'd rather have screeners and watchlist. And if you only need the basics both share, let price decide.
What asset classes do Letters and Reviews and Smartkarma cover?
Both cover stocks and ETFs. Smartkarma adds bonds, currencies, and cryptos on top.
Which has a better stock screener: Letters and Reviews or Smartkarma?
Smartkarma has a stock screener for surfacing ideas; Letters and Reviews doesn't, and focuses its energy elsewhere.
Other tools you might like
These profiles share overlapping coverage with both sides of this matchup.
Keep Exploring
Global rankings of the highest-rated tools across all categories.
Ranked list of companies with durable competitive advantages.
Proven models entering their growth phase with solid economics.
Track votes, sentiment, and engagement across the community.
Learn moat types, red flags, and real-company examples.
Browse other head-to-head tool comparisons and alternatives.
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.