Tool Comparison
Prospero.ai vs StockFetcher
- Paid from
- —
- Free plan
- Yes
- Platforms
- Mobile
Best if
- You'd rather start free and only pay if you outgrow it
- Delayed quotes won't cut it; you need real-time data
- You do a lot of your research from your phone
- Paid from
- $24.95/qtr
- Free plan
- No
- Platforms
- Web
Best if
- You want alerts.
- You've outgrown the basics and want pro-level depth
Start here
Prospero.ai
Free • Paid plans available · Mobile
- You'd rather start free and only pay if you outgrow it
- Delayed quotes won't cut it; you need real-time data
- You do a lot of your research from your phone
Pick StockFetcher instead if
StockFetcher
From $24.95/qtr · Web
- You want alerts.
- You've outgrown the basics and want pro-level depth
Skip both if: Neither one clicks with how you research; there are strong third options.
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Our take
The bottom line
Prospero.ai and StockFetcher cover a lot of the same ground (3 shared categories, screeners, data visualizations, and watchlist), so for the basics you won't go far wrong with either. Prospero.ai simply does more: 12 categories to StockFetcher's 4, including stock ideas, ETF screeners, and options, plus a mobile app. StockFetcher counters by keeping things simpler.
What readers say
Prospero.ai
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StockFetcher
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Key differences at a glance
- Free plan
- Prospero.ai
- Broader coverage
- Prospero.ai12 vs 4 categories
- Mobile app
- Prospero.ai
- Real-time data
- Prospero.ai
- Asset coverage
- Prospero.aiAdds ETFs
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 are available in the iOS and Android apps; the current app page labels signal alerts as coming soon.
- Signal guides explain the input, score range, update interval, and stated limitations for each metric.
What StockFetcher does best
- Write stock screens in a plain-English, text-based query language built around 125+ technical indicators.
- Standard for up to 100 saved filters and watchlists, or Advanced for 250 each plus larger symbol lists, bigger CSV exports, and advanced filter support.
- Run U.S. stock screens on end-of-day CSI data with delayed intraday updates from DDFPlus.
- Quote delays: Nasdaq data is delayed 15 minutes, while NYSE and AMEX data is delayed 20 minutes.
- Send saved-filter results by email each day from account settings.
Side by side
Pricing comparison
See for yourself
Side by side
Price, platforms, data, and market coverage.ShowHide
Side by side
| Attribute | StockFetcher logo logo placeholder StockFetcher | |
|---|---|---|
| Pricing & plans | ||
Starting price | Free • Paid plans available | From $24.95/qtr |
Free tier | Yes | No |
Free trial | — | — |
Plan limits | — | 16 limits: Standard (Monthly): saved filters: 100, Standard (Monthly): watchlists: 100 +14 more |
| Platforms & access | ||
Web app | No | Yes |
Mobile app | Yes | No |
API access | No | No |
Broker sync | No | No |
| Audience & fit | ||
Experience level | Beginner, Intermediate | Beginner, Intermediate, Advanced |
Best for | — | — |
Categories covered | 12 | 4 |
Regions | North America | North America |
| Data & capabilities | ||
Data quality | Latency: Real-time and End of Day and Granularity: Minute and EOD | Latency: 15-min Delayed and End of Day and Granularity: EOD |
Capabilities | — | Custom formulas and Universe builder |
| Try it | Visit Prospero.ai | Visit StockFetcher |
Standout features
The best features of Prospero.ai and StockFetcher.ShowHide
Standout features
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 are available in the iOS and Android apps; the current app page labels signal alerts as coming soon.
- Signal guides explain the input, score range, update interval, and stated limitations for each metric.
What StockFetcher does best
- Write stock screens in a plain-English, text-based query language built around 125+ technical indicators.
- Standard for up to 100 saved filters and watchlists, or Advanced for 250 each plus larger symbol lists, bigger CSV exports, and advanced filter support.
- Run U.S. stock screens on end-of-day CSI data with delayed intraday updates from DDFPlus.
- Quote delays: Nasdaq data is delayed 15 minutes, while NYSE and AMEX data is delayed 20 minutes.
- Send saved-filter results by email each day from account settings.
All details
Every attribute we track for Prospero.ai and StockFetcher.ShowHide
All details
| Attribute | StockFetcher logo logo placeholder StockFetcher | |
|---|---|---|
| Coverage & fit | ||
Asset types | StocksETFs | Stocks |
Experience | BeginnerIntermediate | BeginnerIntermediateAdvanced |
Regions | North America | North America |
Coverage details | Countries: USExchanges: XNYS and XNASIdentifiers: Ticker | Countries: USExchanges: XNAS, XNYS, and XASEIdentifiers: Ticker |
| Data | ||
Data freshness | Real-timeEnd of Day | 15-min DelayedEnd of Day |
Data granularity | MinuteEOD | EOD |
| Access & integrations | ||
Import methods | Manual | CSVManual |
Export formats | Not specified | CSV |
| Plans & trust | ||
Capability signals | Not specified | Custom formulasUniverse builder |
Vendor & support | Prospero.ai LLCCountry: USSupport: Email | Vestyl Software L.L.C.Support: Email |
Curation ratings | Methodology 3/5Reliability 3/5UX 4/5 | Methodology 3/5Reliability 3/5UX 3/5 |
Green tags are exclusive to that tool in this comparison.
Pricing
Plans, billing, free trials, and monthly prices.ShowHide
Pricing
| Tier | StockFetcher logo logo placeholder StockFetcher | |
|---|---|---|
| Free plan | Free | — |
| Entry paid plan | Subscription“Paid tiers” | $24.95/qtr“Standard (Quarterly)”saved filters: 100 · watchlists: 100 · +2 more |
| Tier 2 | — | $8.95/moBilled monthly“Standard (Monthly)”saved filters: 100 · watchlists: 100 · +2 more |
| Tier 3 | — | $44.95/qtr“Advanced (Quarterly)”saved filters: 250 · watchlists: 250 · +2 more |
| Top plan | — | $16.95/moBilled monthly“Advanced (Monthly)”saved filters: 250 · watchlists: 250 · +2 more |
Free alternatives
Questions we keep getting
What's the difference between Prospero.ai and StockFetcher?
Prospero.ai leans toward stock ideas, screeners, and ETF screeners, while StockFetcher puts more weight on screeners, watchlist, and data visualizations. They overlap in 3 categories, so for most people it comes down to workflow preference and price.
Is Prospero.ai or StockFetcher free to use?
Prospero.ai has a free tier, so you can get started without paying anything. StockFetcher is paid-only. If budget matters, start with Prospero.ai and see how far it takes you before opening your wallet.
Which is better for beginners: Prospero.ai or StockFetcher?
Honestly, neither is aimed at beginners. Expect a learning curve either way; that's the trade-off for the depth they offer.
Can I use Prospero.ai or StockFetcher on my phone?
Prospero.ai lists a dedicated mobile app, so it travels better. StockFetcher doesn't list a dedicated mobile app; its documented access is web.
Should I choose Prospero.ai or StockFetcher?
It depends on what you're after. Pick Prospero.ai if stock ideas and ETF screeners matter to you; go with StockFetcher if you'd rather have alerts. And if you only need the basics both share, let price decide.
What asset classes do Prospero.ai and StockFetcher cover?
Both cover stocks. Prospero.ai also handles ETFs.
Does Prospero.ai or StockFetcher have real-time data?
Prospero.ai offers real-time data, which matters if you trade actively. StockFetcher 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 Prospero.ai and StockFetcher?
StockFetcher exports to CSV. Prospero.ai is stingier about getting data out.
Which has a better stock screener: Prospero.ai or StockFetcher?
Both Prospero.ai and StockFetcher include stock screeners, and they differ more in interface than raw power; try both and see which one clicks for you.
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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.