VOL. XCIV, NO. 247
BEST INVESTING TOOLS COMPARISON
Tool details checked August 23, 2026
Tool Comparison
Fiscal.ai vs Prospero.ai
Pick Fiscal.ai if
Fiscal.ai
Free • From $39/mo · Web · API
- You want an API so you can script or automate things
- You want stock comparison, portfolio, and institutional ownership.
- You've outgrown the basics and want pro-level depth
Pick Prospero.ai if
Prospero.ai
Free • Paid plans available · Mobile
- You do a lot of your research from your phone
- You want ETF screeners, options, and market sentiment.
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
Fiscal.ai and Prospero.ai 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. Fiscal.ai simply does more: 29 categories to Prospero.ai's 13, including stock comparison, portfolio, and institutional ownership. Prospero.ai counters by being completely free.
What readers say
Fiscal.ai
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Prospero.ai
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Key differences at a glance
- Mobile app
- Prospero.ai
- Free trial
- Fiscal.ai14 days
- Broader coverage
- Fiscal.ai29 vs 13 categories
- API access
- Fiscal.ai
- Global coverage
- Fiscal.ai
- Asset coverage
- Fiscal.aiAdds mutual funds and funds
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 • From $39/mo | Free • Paid plans available |
Free tier | Yes | Yes |
Free trial | 14 days | — |
Plan limits | 37 limits: Terminal - Free: financials history (annual): 10, Terminal - Free: financials history (quarterly): 6 +35 more | — |
| Platforms & access | ||
Web app | Yes | No |
Mobile app | No | Yes |
API access | Yes | No |
Broker sync | No | No |
Integrations | MCP, Claude Connector +7 more | — |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Beginner, Intermediate |
Best for | Retail Traders, Pro Retail +11 more | — |
Categories covered | 29 | 13 |
Regions | North America, Europe, APAC, LatAm, Middle East, Africa | North America |
| Data & capabilities | ||
Data quality | 3 signals: Latency: Real-time, 15-min Delayed, and End of Day, Granularity: Tick and EOD +1 more | Latency: Real-time and End of Day and Granularity: Minute and EOD |
Data partners | 5 partners: Fiscal.ai Data Feed, S&P Global Market Intelligence +3 more | — |
Capabilities | 4 signals: Custom formulas, Universe builder +2 more | — |
Security | SOC2 and Status page | — |
| Try it | Visit Fiscal.ai | Visit Prospero.ai |
Where each one shines
What Fiscal.ai and Prospero.ai each do best.ShowHide
Where each one shines
What Fiscal.ai and Prospero.ai each do best.What Fiscal.ai does best
- Research coverage for global stocks, ETFs, mutual funds, and funds through dashboards, watchlists, portfolio views, visualizations, fundamentals, estimates, transcripts, filings, news, and event data.
- Use AI Copilot, summaries, and generated reports for earnings, filings, peer comparisons, financial analysis, and company research.
- Analysis of fundamentals, ratios, standardized financials, as-reported data, adjusted metrics, segment data, KPIs, analyst estimates, revisions, ratings, and price targets.
- Run 24 documented Fiscal Skills in MCP clients for financial models, company snapshots, screens, valuation, ownership, fund letters, filings, credit, quality scores, and earnings analysis.
- Trace research back to source filings, transcripts, slides, company news, investor-relations material, and source-to-filing images or PDFs where supported.
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.
Every detail we compared
Every tracked attribute for Fiscal.ai and Prospero.ai, side by side.ShowHide
Every detail we compared
Every tracked attribute for Fiscal.ai and Prospero.ai, side by side.| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | StocksETFsMutual FundsFunds | StocksETFs |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediate |
Target audience | Retail TradersPro RetailInstitutional InvestorsAnalystsQuants/DevelopersLong-term InvestorsValue InvestorsGrowth Investors+5 more | Not specified |
Regions | North AmericaEuropeAPACLatAmMiddle EastAfrica | North America |
Coverage details | Identifiers: Ticker, CUSIP, ISIN, and FIGI | Countries: USExchanges: XNYS and XNASIdentifiers: Ticker |
| Data | ||
Data freshness | Real-time15-min DelayedEnd of Day | Real-timeEnd of Day |
Data granularity | TickEOD | MinuteEOD |
Data partners | Fiscal.ai Data FeedS&P Global Market IntelligenceMorningstarYChartsPerplexity | Not specified |
| Access & integrations | ||
API protocols | REST | Not specified |
API auth & delivery | Auth: APIKeyWebhooks50 req/minDocs | Not specified |
Import methods | Manual | Manual |
Integrations | MCPClaude ConnectorChatGPTCodex CLICursorVS Code CopilotGemini CLIPerplexity+1 more | Not specified |
Export formats | CSVImagePDF | Not specified |
| Plans & trust | ||
Security & compliance | SOC2Status page | Not specified |
Capability signals | Custom formulasUniverse builderCitation pinningAI summaries: Filings, Transcripts, and News | Not specified |
Vendor & support | Stratosphere Technology Inc.Country: CanadaFounded 2021Support: Email | Prospero.ai LLCCountry: USSupport: Email |
Curation ratings | Methodology 5/5Reliability 4/5UX 5/5 | 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“Terminal - Free”financials history (annual): 10 · financials history (quarterly): 6 · +8 more | Free |
| Entry paid plan | $39/mo“Terminal - Pro (Monthly)”financials history (annual): 15 · financials history (quarterly): 20 · +10 more | Subscription“Paid tiers” |
| Top plan | $199/mo“Terminal - Enterprise (Monthly)”financials history (annual): 20+ · financials history (quarterly): 40+ · +10 more | — |
| Custom / enterprise | Contact sales“API - Paid” | — |
| Free trial | 14 days | — |
Questions we keep getting
What's the difference between Fiscal.ai and Prospero.ai?
Fiscal.ai leans toward stock ideas, screeners, and stock comparison, while Prospero.ai puts more weight on stock ideas, screeners, and ETF screeners. They overlap in 8 categories, so for most people it comes down to workflow preference and price.
How much do Fiscal.ai and Prospero.ai cost?
Good news: both Fiscal.ai and Prospero.ai have free plans, so you can run them side by side and only pay if you hit a wall.
Which is better for beginners: Fiscal.ai or Prospero.ai?
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 Fiscal.ai or Prospero.ai on my phone?
Prospero.ai lists a dedicated mobile app, so it travels better. Fiscal.ai doesn't list a dedicated mobile app; its documented access is web and API.
Does Fiscal.ai or Prospero.ai have an API?
Fiscal.ai has an API for programmatic access and custom integrations. Prospero.ai doesn't, so you're working through its interface.
Should I choose Fiscal.ai or Prospero.ai?
It depends on what you're after. Pick Fiscal.ai if stock comparison and portfolio matter to you; go with Prospero.ai if you'd rather have ETF screeners and options. And if you only need the basics both share, let price decide.
What asset classes do Fiscal.ai and Prospero.ai cover?
Both cover stocks and ETFs. Fiscal.ai also handles mutual funds and funds.
Do Fiscal.ai and Prospero.ai offer real-time data?
Yes, both serve real-time market data, so either works when timing matters.
Which covers international markets: Fiscal.ai or Prospero.ai?
Fiscal.ai has documented international coverage (North America, Europe, APAC, LatAm, and more), 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 Fiscal.ai and Prospero.ai?
Fiscal.ai exports to CSV. Prospero.ai is stingier about getting data out.
Which has a better stock screener: Fiscal.ai or Prospero.ai?
Both Fiscal.ai and Prospero.ai 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 Fiscal.ai or Prospero.ai?
Fiscal.ai handles portfolio tracking. Prospero.ai 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.