★ BEST INVESTING TOOLS COMPARISON ★
VOL. XCIV, NO. 247
Tool comparison edition
Tool Comparison
Investing.com vs Letters and Reviews
Investing.com
Best for screeners and stock comparison
Free • Paid plans available
Letters and Reviews
Best for stock ideas and institutional ownership
Free
Outbound links may include affiliate or sponsor codes.
The verdict
The bottom line
Investing.com and Letters and Reviews cover a lot of the same ground (3 shared categories, stock ideas, institutional ownership, and blogs), so for the basics you won't go far wrong with either. Investing.com simply does more: 34 categories to Letters and Reviews's 3, including screeners, stock comparison, and data visualizations, plus a mobile app. Letters and Reviews counters by being completely free.
Key differences at a glance
- Mobile app
- Investing.com
- Broader coverage
- Investing.com34 vs 3 categories
- Real-time data
- Investing.com
- Asset coverage
- Investing.comAdds bonds and commodities
- Free plan
- Both
Choose
Investing.com if…
- You do a lot of your research from your phone
- Delayed quotes won't cut it; you need real-time data
- You care about screeners, stock comparison, and data visualizations, things Letters and Reviews doesn't offer
- You trade often and need tooling built for speed
Choose
Letters and Reviews if…
- Letters and Reviews's overall approach simply feels right to you; they're close on paper
Comparison snapshot
| Attribute | | |
|---|---|---|
| Pricing & plans | ||
Starting price | Free • Paid plans available | Free |
Free tier | Yes | Yes |
Free trial | — | — |
Plan limits | 15 limits: Free / Ad-supported Investing.com: public api: Not available, Free / Ad-supported Investing.com: data latency: Varies by instrument/source; not all data is real-time +13 more | — |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | Yes | No |
API access | No | No |
Broker sync | No | — |
Integrations | Investing.com Webmaster Tools / embeddable widgets, RSS feeds +2 more | — |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | Retail Traders, Pro Retail +8 more | — |
Categories covered | 34 | 3 |
Regions | North America, Europe, APAC, LatAm, Middle East, Africa | North America, Europe, APAC |
| Data & capabilities | ||
Data quality | 4 signals: Latency: Streaming, Real-time, and End of Day, Granularity: Minute and EOD +2 more | — |
Data partners | 6 partners: S&P Global Market Intelligence, Morningstar +4 more | — |
Capabilities | 6 signals: Universe builder, Factors: Value, Quality, Momentum, and Growth +4 more | — |
Security | Encryption in transit | — |
| Try it | Visit Investing.com | Visit Letters and Reviews |
Standout features
What Investing.com does best
- Global financial portal covering stocks, indices, commodities, currencies, ETFs, bonds, funds, cryptocurrencies, futures, options, interest rates, and economic indicators.
- Large global coverage footprint: Investing.com currently says the platform covers 180,000+ financial instruments across 250 exchanges in 33 languages, with 50M monthly investors, 130M app downloads, and 300K active paying subscribers.
- Free web and mobile apps with quotes, charts, watchlists, alerts, market news, economic calendars, portfolios, and calculators.
- Mobile app support for iOS, iPad, Apple Watch, and Android; Investing.com says its apps have 130M downloads and are among the top financial market apps on Google Play with 1.3M reviews.
- Economic Calendar with streaming automatically updated event data, importance ratings, actual/forecast/previous values, filters by country/category/importance/time zone/date range, and event alerts.
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.
Data & access details
| Attribute | | |
|---|---|---|
| Coverage & fit | ||
Asset types | StocksETFsBondsCommoditiesCurrenciesCryptosClosed-End FundsFunds+4 more | StocksETFs |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Target audience | Retail TradersPro RetailDay TradersSwing TradersLong-term InvestorsValue InvestorsGrowth InvestorsDividend Investors+2 more | Not specified |
Regions | North AmericaEuropeAPACLatAmMiddle EastAfrica | North AmericaEuropeAPAC |
Coverage details | Identifiers: Ticker and ISIN | Identifiers: Ticker |
| Data | ||
Data freshness | StreamingReal-timeEnd of Day | Not specified |
Data granularity | MinuteEOD | Not specified |
Pricing sources | ExchangeOTCVendorModel | Not specified |
Data partners | S&P Global Market IntelligenceMorningstarFactSetRefinitivMarket maker CFDsOther financial data providers | Not specified |
| Access & integrations | ||
Import methods | CSVManual | Not specified |
Integrations | Investing.com Webmaster Tools / embeddable widgetsRSS feedsGoogle Play appApple App Store app | Not specified |
Export formats | CSVXML | Not specified |
| Plans & trust | ||
Security & compliance | Encryption in transit | Not specified |
Capability signals | Universe builderFactors: Value, Quality, Momentum, and GrowthMulti-currencyYield curvesCDS spreadsAI summaries: Transcripts and News | Not specified |
Vendor & support | Investing.com / Fusion MediaFounded 2007Support: Email and Chat | 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.
Pricing breakdown
Free
Starting price
Plans & pricing
- public api: Not available
- data latency: Varies by instrument/source; not all data is real-time
- +1 more
- warren ai credits: 50/month
- us pro picks strategies: 6
- +4 more
- warren ai credits: 500/month
- pro picks strategies: 88
- +4 more
Free
Starting price
Plans & pricing
Coverage overlap
Shared categories
3Where the two tools cover the same ground.
Investing.com strengths
31What you only get with Investing.com.
Letters and Reviews strengths
0What you only get with Letters and Reviews.
No unique categories.
Community category leaders
Vote sentiment comparison
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Frequently Asked Questions
What's the difference between Investing.com and Letters and Reviews?
Investing.com leans toward stock ideas, screeners, and stock comparison, while Letters and Reviews puts more weight on stock ideas, institutional ownership, and blogs. They overlap in 3 categories, so for most people it comes down to workflow preference and price.
How much do Investing.com and Letters and Reviews cost?
Good news: both Investing.com and Letters and Reviews have free plans, so you can run them side by side and only pay if you hit a wall.
Can I use Investing.com or Letters and Reviews on my phone?
Investing.com 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 Investing.com or Letters and Reviews?
It depends on what you're after. Pick Investing.com if screeners and stock comparison matter to you; go with Letters and Reviews if you prefer its overall approach. And if you only need the basics both share, let price decide.
What asset classes do Investing.com and Letters and Reviews cover?
Both cover stocks and ETFs. Investing.com also handles bonds, commodities, and currencies.
Does Investing.com or Letters and Reviews have real-time data?
Investing.com offers real-time data, which matters if you trade actively. Letters and Reviews runs on delayed or end-of-day data, which is perfectly fine for longer-term investors who don't live and die by the tick.
Can I export data from Investing.com and Letters and Reviews?
Investing.com exports to CSV. Letters and Reviews is stingier about getting data out.
Is Investing.com or Letters and Reviews better for day trading?
Investing.com is the one positioned more for active traders. Letters and Reviews is the better fit if you care less about fast trading workflows and more about a calmer research process.
Which has a better stock screener: Investing.com or Letters and Reviews?
Investing.com has a stock screener for surfacing ideas; Letters and Reviews doesn't, and focuses its energy elsewhere.
Can I track my portfolio with Investing.com or Letters and Reviews?
Investing.com handles portfolio tracking. Letters and Reviews is really a research tool; you'd track your portfolio elsewhere.
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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.