VOL. XCIV, NO. 247
BEST INVESTING TOOLS COMPARISON
Tool details checked August 23, 2026
Tool Comparison
Prospero.ai vs SpotGamma
Start here
Prospero.ai
Free • Paid plans available · Mobile
- You'd rather start free and only pay if you outgrow it
- You do a lot of your research from your phone
- You want stock ideas, ETF screeners, and watchlist.
Pick SpotGamma instead if
SpotGamma
From $74.25/mo · Web
- You want courses & certs.
- 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.
See alternativesOutbound links may include affiliate or sponsor codes.
Our take
The bottom line
Prospero.ai and SpotGamma cover a lot of the same ground (5 shared categories, including screeners, data visualizations, and options), so for the basics you won't go far wrong with either. Prospero.ai simply does more: 13 categories to SpotGamma's 6, including stock ideas, ETF screeners, and watchlist, plus a mobile app. SpotGamma counters by keeping things simpler.
What readers say
Prospero.ai
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SpotGamma
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Key differences at a glance
- Free plan
- Prospero.ai
- Broader coverage
- Prospero.ai13 vs 6 categories
- Mobile app
- Prospero.ai
- Asset coverage
- SpotGammaAdds options
- Beginner friendly
- Prospero.ai
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 | From $74.25/mo |
Free tier | Yes | No |
Free trial | — | — |
Plan limits | — | 5 limits: Essential (Annual): annual price usd: 891, Essential (Annual): advertised monthly equivalent usd: 74 +3 more |
| Platforms & access | ||
Web app | No | Yes |
Mobile app | Yes | No |
API access | No | No |
Broker sync | No | No |
Integrations | — | TradingView, TrendSpider +7 more |
| Audience & fit | ||
Experience level | Beginner, Intermediate | Intermediate, Advanced |
Best for | — | — |
Categories covered | 13 | 6 |
Regions | North America | North America |
| Data & capabilities | ||
Data quality | Latency: Real-time and End of Day and Granularity: Minute and EOD | 3 signals: Latency: Streaming, Real-time, and End of Day, Granularity: Second and EOD +1 more |
Capabilities | — | 3 signals: Universe builder, Greeks +1 more |
| Try it | Visit Prospero.ai | Visit SpotGamma |
Where each one shines
What Prospero.ai and SpotGamma each do best.ShowHide
Where each one shines
What Prospero.ai and SpotGamma 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 SpotGamma does best
- HIRO estimates the hedging impact of US option trades in real time.
- Equity Hub provides option-derived levels and ten-day histories for more than 3,500 US stocks, ETFs, and indices.
- Volatility Dashboard compares implied volatility across strikes, expirations, term structures, and skew.
- TRACE maps S&P 500 support, resistance, volatility, gamma, delta-pressure, and charm-pressure zones.
- Compass plots directional and volatility metrics, while screens flag unusual setups before market open.
Every detail we compared
Every tracked attribute for Prospero.ai and SpotGamma, side by side.ShowHide
Every detail we compared
Every tracked attribute for Prospero.ai and SpotGamma, side by side.| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | StocksETFs | StocksETFsOptions |
Experience | BeginnerIntermediate | IntermediateAdvanced |
Regions | North America | North America |
Coverage details | Countries: USExchanges: XNYS and XNASIdentifiers: Ticker | Countries: USExchanges: XNAS, XNYS, and ARCXIdentifiers: Ticker |
| Data | ||
Data freshness | Real-timeEnd of Day | StreamingReal-timeEnd of Day |
Data granularity | MinuteEOD | SecondEOD |
| Access & integrations | ||
Import methods | Manual | Not specified |
Integrations | Not specified | TradingViewTrendSpiderBookmapNinjaTraderJigsaweSignalSierra ChartThinkorSwim+1 more |
| Plans & trust | ||
Capability signals | Not specified | Universe builderGreeksIV surface |
Vendor & support | Prospero.ai LLCCountry: USSupport: Email | TenTen Capital LLC d/b/a SpotGammaCountry: USSupport: Email |
Curation ratings | Methodology 3/5Reliability 3/5UX 4/5 | Methodology 3/5Reliability 3/5UX 4/5 |
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 | — |
| Entry paid plan | Subscription“Paid tiers” | $74.25/mo“Essential (Annual)”annual price usd: 891 · advertised monthly equivalent usd: 74 |
| Tier 2 | — | $99/mo“Essential (Monthly)” |
| Tier 3 | — | $224.25/mo“Alpha (Annual)”annual price usd: 2,691 · advertised monthly equivalent usd: 224 |
| Top plan | — | $299/mo“Alpha (Monthly)” |
| Custom / enterprise | — | Contact sales“Institutional”starting price usdper month: 1,999 |
Questions we keep getting
What's the difference between Prospero.ai and SpotGamma?
Prospero.ai leans toward stock ideas, screeners, and ETF screeners, while SpotGamma puts more weight on options, screeners, and data visualizations. They overlap in 5 categories, so for most people it comes down to workflow preference and price.
Is Prospero.ai or SpotGamma free to use?
Prospero.ai has a free tier, so you can get started without paying anything. SpotGamma 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 SpotGamma?
Prospero.ai is the friendlier place to start; its interface takes less getting used to. SpotGamma assumes more experience, and rewards it with deeper analytics.
Can I use Prospero.ai or SpotGamma on my phone?
Prospero.ai lists a dedicated mobile app, so it travels better. SpotGamma doesn't list a dedicated mobile app; its documented access is web.
Should I choose Prospero.ai or SpotGamma?
It depends on what you're after. Pick Prospero.ai if stock ideas and ETF screeners matter to you; go with SpotGamma if you'd rather have courses & certs. And if you only need the basics both share, let price decide.
What asset classes do Prospero.ai and SpotGamma cover?
Both cover stocks and ETFs. SpotGamma adds options on top.
Do Prospero.ai and SpotGamma offer real-time data?
Yes, both serve real-time market data, so either works when timing matters.
Which has a better stock screener: Prospero.ai or SpotGamma?
Both Prospero.ai and SpotGamma include stock screeners, and they differ more in interface than raw power; try both and see which one clicks for you.
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.