★ BEST INVESTING TOOLS COMPARISON ★
VOL. XCIV, NO. 247
Tool comparison edition
Tool Comparison
Earnings Whispers vs Prospero.ai
Earnings Whispers
Best for calendar and news
Free • From $49.95/mo
Prospero.ai
Best for stock ideas and ETF screeners
Free
Earnings Whispers
Best for calendar and news
Free • From $49.95/mo
Prospero.ai
Best for stock ideas and ETF screeners
Free
Outbound links may include affiliate or sponsor codes.
The verdict
The bottom line
Earnings Whispers and Prospero.ai cover a lot of the same ground (5 shared categories, including market sentiment, watchlist, and scores), so for the basics you won't go far wrong with either. Prospero.ai simply does more: 13 categories to Earnings Whispers's 9, including stock ideas, ETF screeners, and data visualizations, plus a mobile app. Earnings Whispers counters by keeping things simpler.
Key differences at a glance
- Mobile app
- Prospero.ai
- Free trial
- Earnings Whispers14 days
- Broader coverage
- Prospero.ai13 vs 9 categories
- Real-time data
- Prospero.ai
- Free plan
- Both
Choose
Earnings Whispers if…
- You care about calendar, news, and short interest, things Prospero.ai doesn't offer
- You've outgrown the basics and want pro-level depth
- You trade often and need tooling built for speed
Choose
Prospero.ai 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 stock ideas, ETF screeners, and data visualizations, things Earnings Whispers doesn't offer
Comparison snapshot
| Attribute | ||
|---|---|---|
| Pricing & plans | ||
Starting price | Free • From $49.95/mo | Free |
Free tier | Yes | Yes |
Free trial | 14 days | — |
| Platforms & access | ||
Web app | Yes | No |
Mobile app | No | Yes |
API access | No | No |
Broker sync | — | No |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Beginner, Intermediate |
Best for | Retail Traders, Pro Retail +4 more | — |
Categories covered | 9 | 13 |
Regions | — | North America |
| Data & capabilities | ||
Data quality | — | Latency: Real-time and End of Day and Granularity: Minute and EOD |
Capabilities | Earnings vol edge | — |
| Try it | Visit Earnings Whispers | Visit Prospero.ai |
Standout features
What Earnings Whispers does best
- Use the free membership for a weekly earnings calendar, daily summaries, and a basic watch list.
- Track Earnings Whisper numbers and earnings expectations alongside reported results and market reaction context.
- Use the Investor Service for Earnings Whisper Grade, Sentiment Index, expanded calendars, implied volatility, average moves, and sentiment heat maps.
- Review company pages for beat, meet, or miss expectations, expected price action, history, peers, options, and earnings dates where available.
- Use watchlists and dashboards to focus earnings-event research on the companies you already follow.
What Prospero.ai does best
- Use 10 proprietary signals across short-term options, social, institutional, dark-pool, short-pressure, breakout, profitability, growth, and market-similarity themes.
- Review Net Options Sentiment and other short-term signals that Prospero positions around frequent updates and market sentiment.
- Use Daily Screener and Our Picks lists to surface long, short, short-term, or long-term candidate ideas.
- Build watchlists and receive in-app notifications on iOS and Android.
- Use plain-English signal education and investing/trading newsletters to understand what each signal is intended to capture.
Data & access details
| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | StocksOptions | StocksETFs |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediate |
Target audience | Retail TradersPro RetailLong-term InvestorsDay TradersSwing TradersInstitutional Investors | Not specified |
Regions | Not specified | North America |
Coverage details | Identifiers: Ticker | Countries: USExchanges: XNYS and XNASIdentifiers: Ticker |
| Data | ||
Data freshness | Not specified | Real-timeEnd of Day |
Data granularity | Not specified | MinuteEOD |
| Access & integrations | ||
Import methods | Not specified | Manual |
| Plans & trust | ||
Capability signals | Earnings vol edge | Not specified |
Vendor & support | Earnings WhispersFounded 1998Support: Email and Phone | Prospero.ai LLCCountry: USFounded 2018Support: Email |
Curation ratings | Not specified | Methodology 3/5Reliability 3/5UX 4/5 |
Green tags are exclusive to that tool in this comparison.
Pricing breakdown
$49.95/mo
Starting price
Plans & pricing
Free
Lower starting price
Plans & pricing
Coverage overlap
Shared categories
5Where the two tools cover the same ground.
Earnings Whispers strengths
4What you only get with Earnings Whispers.
Prospero.ai strengths
8What you only get with Prospero.ai.
Community category leaders
Vote sentiment comparison
Loading sentiment chart...
Frequently Asked Questions
What's the difference between Earnings Whispers and Prospero.ai?
Earnings Whispers leans toward calendar, news, and market sentiment, while Prospero.ai puts more weight on stock ideas, screeners, and ETF screeners. They overlap in 5 categories, so for most people it comes down to workflow preference and price.
How much do Earnings Whispers and Prospero.ai cost?
Good news: both Earnings Whispers 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: Earnings Whispers 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 Earnings Whispers or Prospero.ai on my phone?
Prospero.ai lists a dedicated mobile app, so it travels better. Earnings Whispers doesn't list a dedicated mobile app; its documented access is web.
Should I choose Earnings Whispers or Prospero.ai?
It depends on what you're after. Pick Earnings Whispers if calendar and news matter to you; go with Prospero.ai if you'd rather have stock ideas and ETF screeners. And if you only need the basics both share, let price decide.
What asset classes do Earnings Whispers and Prospero.ai cover?
Both cover stocks. Earnings Whispers also handles options. Prospero.ai adds ETFs on top.
Does Earnings Whispers or Prospero.ai have real-time data?
Prospero.ai offers real-time data, which matters if you trade actively. Earnings Whispers 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.
Is Earnings Whispers or Prospero.ai better for day trading?
Earnings Whispers is the one positioned more for active traders. Prospero.ai 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: Earnings Whispers or Prospero.ai?
Both Earnings Whispers and Prospero.ai include stock screeners, and they differ more in interface than raw power; try both and see which one clicks for you.
Other tools you might like
These profiles share overlapping coverage with both sides of this matchup.
Keep Exploring
Global rankings of the highest-rated tools across all categories.
Ranked list of companies with durable competitive advantages.
Proven models entering their growth phase with solid economics.
Track votes, sentiment, and engagement across the community.
Learn moat types, red flags, and real-company examples.
Browse other head-to-head tool comparisons and alternatives.
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.