VOL. XCIV, NO. 247
BEST INVESTING TOOLS COMPARISON
Tool details checked August 23, 2026
Tool Comparison
Prospero.ai vs Simply Wall St
Pick Prospero.ai if
Prospero.ai
Free • Paid plans available · Mobile
- Delayed quotes won't cut it; you need real-time data
- You want ETF screeners, options, and market sentiment.
Pick Simply Wall St if
Simply Wall St
Free • From $120/yr · Web · Mobile
- You want portfolio, financials, and valuation models.
- You've outgrown the basics and want pro-level depth
- You're a long-term investor who cares more about fundamentals than headlines
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
Prospero.ai and Simply Wall St cover a lot of the same ground (8 shared categories, including stock ideas, screeners, and data visualizations), so for the basics you won't go far wrong with either. Simply Wall St simply does more: 19 categories to Prospero.ai's 13, including portfolio, financials, and valuation models. Prospero.ai counters by being completely free.
What readers say
Prospero.ai
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Simply Wall St
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Key differences at a glance
- Real-time data
- Prospero.ai
- Free trial
- Simply Wall St7 days
- Broader coverage
- Simply Wall St19 vs 13 categories
- Broker sync
- Simply Wall St
- Global coverage
- Simply Wall St
- 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 • Paid plans available | Free • From $120/yr |
Free tier | Yes | Yes |
Free trial | — | 7 days |
Plan limits | — | 15 limits: Free: company reports per month: 5, Free: portfolios: 1 +13 more |
| Platforms & access | ||
Web app | No | Yes |
Mobile app | Yes | Yes |
API access | No | No |
Broker sync | No | Yes |
Integrations | — | Plaid, SnapTrade +6 more |
| Audience & fit | ||
Experience level | Beginner, Intermediate | Beginner, Intermediate, Advanced |
Best for | — | Retail Traders, Long-term Investors +3 more |
Categories covered | 13 | 19 |
Regions | North America | North America, Europe, APAC, Africa |
| Data & capabilities | ||
Data quality | Latency: Real-time and End of Day and Granularity: Minute and EOD | 5 signals: Latency: End of Day, Granularity: EOD +3 more |
Data partners | — | S&P Global Market Intelligence |
Capabilities | — | 6 signals: Universe builder, Broker sync +4 more |
Security | — | Encryption at rest and Encryption in transit |
| Try it | Visit Prospero.ai | Visit Simply Wall St |
Where each one shines
What Prospero.ai and Simply Wall St each do best.ShowHide
Where each one shines
What Prospero.ai and Simply Wall St each do best.What Prospero.ai does best
- Five short-term scores cover options, social sentiment, dark pools, short pressure, and institutional flow.
- Five longer-horizon scores cover profitability, growth, upside breakout, downside breakout, and similarity to the S&P 500.
- Daily Screener and Our Picks pages identify candidates across short and long horizons.
- Watchlists and in-app notifications are available in the iOS and Android apps.
- Signal guides explain the input, score range, update interval, and stated limitations for each metric.
What Simply Wall St does best
- Visual reports cover valuation, future growth, past performance, financial health, and dividends for stocks in more than 90 markets.
- Snowflake reports link a five-part visual score to detailed sections, financials, risks, methodology, and source data.
- Curated lists cover undervalued companies, dividend stocks, insider buying, sectors, industries, and investment themes.
- The screener filters by market, industry, value, growth, income, risk, and other fundamental measures.
- Portfolio dashboards show market-relative performance, diversification, sector and region exposure, and holding fundamentals.
Every detail we compared
Every tracked attribute for Prospero.ai and Simply Wall St, side by side.ShowHide
Every detail we compared
Every tracked attribute for Prospero.ai and Simply Wall St, side by side.| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | StocksETFs | StocksETFs |
Experience | BeginnerIntermediate | BeginnerIntermediateAdvanced |
Target audience | Not specified | Retail TradersLong-term InvestorsValue InvestorsGrowth InvestorsDividend Investors |
Regions | North America | North AmericaEuropeAPACAfrica |
Coverage details | Countries: USExchanges: XNYS and XNASIdentifiers: Ticker | Identifiers: Ticker |
| Data | ||
Data freshness | Real-timeEnd of Day | End of Day |
Data granularity | MinuteEOD | EOD |
Pricing sources | Not specified | Vendor |
Data partners | Not specified | S&P Global Market Intelligence |
| Access & integrations | ||
Import methods | Manual | BrokerOAuthCSVManual |
Integrations | Not specified | PlaidSnapTradeRobinhoodFidelityInteractive BrokersCharles SchwabE*TRADEVanguard |
Export formats | Not specified | ExcelPDF |
| Plans & trust | ||
Security & compliance | Not specified | Encryption at restEncryption in transit |
Capability signals | Not specified | Universe builderBroker syncPortfolio attributionTax lotsMulti-currencyCost basis: FIFO |
Vendor & support | Prospero.ai LLCCountry: USSupport: Email | Simply Wall Street Pty LtdCountry: AustraliaFounded 2014Support: Email |
Curation ratings | Methodology 3/5Reliability 3/5UX 4/5 | Not specified |
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 | Freecompany reports per month: 5 · portfolios: 1 · +3 more |
| Entry paid plan | Subscription“Paid tiers” | $120/yr≈ $10/mo“Premium”company reports per month: 30 · portfolios: 3 · +3 more |
| Top plan | — | $240/yr≈ $20/mo“Unlimited”company reports per month: Unlimited · portfolios: Unlimited · +3 more |
| Free trial | — | 7 days |
Questions we keep getting
What's the difference between Prospero.ai and Simply Wall St?
Prospero.ai leans toward stock ideas, screeners, and ETF screeners, while Simply Wall St puts more weight on stock ideas, screeners, and data visualizations. They overlap in 8 categories, so for most people it comes down to workflow preference and price.
How much do Prospero.ai and Simply Wall St cost?
Good news: both Prospero.ai and Simply Wall St have free plans, so you can run them side by side and only pay if you hit a wall.
Which is better for beginners: Prospero.ai or Simply Wall St?
Honestly, neither is aimed at beginners. Expect a learning curve either way; that's the trade-off for the depth they offer.
Should I choose Prospero.ai or Simply Wall St?
It depends on what you're after. Pick Prospero.ai if ETF screeners and options matter to you; go with Simply Wall St if you'd rather have portfolio and financials. And if you only need the basics both share, let price decide.
Does Prospero.ai or Simply Wall St have real-time data?
Prospero.ai offers real-time data, which matters if you trade actively. Simply Wall St 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.
Which covers international markets: Prospero.ai or Simply Wall St?
Simply Wall St has documented international coverage (North America, Europe, APAC, and Africa), so it's the safer bet if you hold non-US stocks. Prospero.ai is more region-specific, mainly North America.
Can I export data from Prospero.ai and Simply Wall St?
Simply Wall St exports to Excel. Prospero.ai is stingier about getting data out.
Can Prospero.ai or Simply Wall St connect to my broker?
Simply Wall St syncs with brokers automatically. With Prospero.ai, you're entering holdings by hand or importing files.
Which has a better stock screener: Prospero.ai or Simply Wall St?
Both Prospero.ai and Simply Wall St include stock screeners, and they differ more in interface than raw power; try both and see which one clicks for you.
Can I track my portfolio with Prospero.ai or Simply Wall St?
Simply Wall St handles portfolio tracking. Prospero.ai is really a research tool; you'd track your portfolio elsewhere.
Keep researching
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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.