VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Sunday, October 5, 2025

Head-to-head

Listen Notes vs Unusual Whales comparison

Compare pricing, supported platforms, categories, and standout capabilities to decide which tool fits your workflow.

Quick takeaways

Listen Notes adds Other coverage that Unusual Whales skips.

Unusual Whales includes Screeners, Options & Derivatives, Portfolio, Paper Trading, Dark Pool & Off-Exchange, News, US Government Trades, Insider Data, 13F, Calendar, and Dividends categories that Listen Notes omits.

Listen Notes highlights: Podcast API v2: search, directory, insights; official client libraries; OpenAPI spec & mock server for keyless testing., Pricing tiers with concrete quotas: FREE (300 req/mo), PRO (base fee with 5k req/mo included + tiered overages), ENTERPRISE (annual contract, larger quotas, relaxed caching/no-logo)., and Plan-based search result caps & rate limits: FREE up to 30 results/query (2 req/s, 20 req/min); PRO up to 300 results/query (medium rate limit); ENTERPRISE up to 10,000 results/query (high rate limit)..

Unusual Whales is known for: Live options flow across all US options exchanges, with a status indicator so you know the feed is healthy., Dark-pool tape plus ‘Dark Pool Levels’ to surface recent prints and ticker-specific liquidity zones., and Options and stock screeners with filters for premium, volume, open interest, IV rank, and common technicals..

Listen Notes logo

Listen Notes

listennotes.com

Podcast search engine plus developer Podcast API (search/directory/insights) and purchasable datasets. Free plan allows light testing; PRO is a metered subscription with tiered overages and specific search‑result/rate‑limit allowances; Enterprise relaxes caching/logo rules and increases quotas & SLAs. Listen Alerts monitors 3.6M+ podcasts for keyword mentions with email/RSS and Zapier/IFTTT hooks. Datasets can be exported as CSV/SQLite for analytics, PR/sales, and finance alt‑data use cases. API base URL is https://listen-api.listennotes.com/api/v2 with API‑key auth.

Platforms

Web
API
Mobile

Pricing

Free
Subscription
One-time

Quick highlights

  • Podcast API v2: search, directory, insights; official client libraries; OpenAPI spec & mock server for keyless testing.
  • Pricing tiers with concrete quotas: FREE (300 req/mo), PRO (base fee with 5k req/mo included + tiered overages), ENTERPRISE (annual contract, larger quotas, relaxed caching/no-logo).
  • Plan-based search result caps & rate limits: FREE up to 30 results/query (2 req/s, 20 req/min); PRO up to 300 results/query (medium rate limit); ENTERPRISE up to 10,000 results/query (high rate limit).
  • Advanced fields & endpoints on higher tiers: transcripts, batch fetch, RSS/large image, email, latest_episode_id, Listen Score & Global Rank.
  • Listen Alerts: 24/7 monitoring of new episodes mentioning keywords; daily email digests, per‑alert RSS feeds; connects via Zapier/IFTTT and RSS to Slack/Trello/Airtable etc.

Community votes (overall)

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Unusual Whales logo

Unusual Whales

unusualwhales.com

Editor’s pick Hands-on review

Real-time options flow and dark-pool analytics built for active traders. Free plans view delayed data; paid tiers stream live flow, with annual plans unlocking data downloads. The public API is sold separately, and “Periscope” (market-wide SPX exposure) is available as an add-on.

Platforms

Web
Mobile
API

Pricing

Free
Subscription

Quick highlights

  • Live options flow across all US options exchanges, with a status indicator so you know the feed is healthy.
  • Dark-pool tape plus ‘Dark Pool Levels’ to surface recent prints and ticker-specific liquidity zones.
  • Options and stock screeners with filters for premium, volume, open interest, IV rank, and common technicals.
  • Options Profit Calculator to model multi-leg strategies, Greeks, and payoff P/L.
  • Paper trading for both stocks and options to test ideas without risk.

Community votes (overall)

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Overlap

Shared focus areas

4 overlaps

Mutual strengths include Data APIs, APIs & SDKs, and Alerts plus 1 more area.

Where they differ

Listen Notes

Distinct strengths include:

  • Podcast API v2: search, directory, insights; official client libraries; OpenAPI spec & mock server for keyless testing.
  • Pricing tiers with concrete quotas: FREE (300 req/mo), PRO (base fee with 5k req/mo included + tiered overages), ENTERPRISE (annual contract, larger quotas, relaxed caching/no-logo).
  • Plan-based search result caps & rate limits: FREE up to 30 results/query (2 req/s, 20 req/min); PRO up to 300 results/query (medium rate limit); ENTERPRISE up to 10,000 results/query (high rate limit).
  • Advanced fields & endpoints on higher tiers: transcripts, batch fetch, RSS/large image, email, latest_episode_id, Listen Score & Global Rank.

Unusual Whales

Distinct strengths include:

  • Live options flow across all US options exchanges, with a status indicator so you know the feed is healthy.
  • Dark-pool tape plus ‘Dark Pool Levels’ to surface recent prints and ticker-specific liquidity zones.
  • Options and stock screeners with filters for premium, volume, open interest, IV rank, and common technicals.
  • Options Profit Calculator to model multi-leg strategies, Greeks, and payoff P/L.

Feature-by-feature breakdown

AttributeListen NotesUnusual Whales
Categories

Which research workflows each platform targets

Shared: Data APIs, APIs & SDKs, Alerts, Education

Unique: Other

Shared: Data APIs, APIs & SDKs, Alerts, Education

Unique: Screeners, Options & Derivatives, Portfolio, Paper Trading, Dark Pool & Off-Exchange, News, US Government Trades, Insider Data, 13F, Calendar, Dividends

Asset types

Supported asset classes and universes

Other

Stocks, ETFs, Options

Experience levels

Who each product is built for

Beginner, Intermediate, Advanced

Beginner, Intermediate, Advanced

Platforms

Where you can access the product

Web, API, Mobile

Web, Mobile, API

Pricing

High-level pricing models

Free, Subscription, One-time

Free, Subscription

Key features

Core capabilities called out by each vendor

Unique

  • Podcast API v2: search, directory, insights; official client libraries; OpenAPI spec & mock server for keyless testing.
  • Pricing tiers with concrete quotas: FREE (300 req/mo), PRO (base fee with 5k req/mo included + tiered overages), ENTERPRISE (annual contract, larger quotas, relaxed caching/no-logo).
  • Plan-based search result caps & rate limits: FREE up to 30 results/query (2 req/s, 20 req/min); PRO up to 300 results/query (medium rate limit); ENTERPRISE up to 10,000 results/query (high rate limit).
  • Advanced fields & endpoints on higher tiers: transcripts, batch fetch, RSS/large image, email, latest_episode_id, Listen Score & Global Rank.
  • Listen Alerts: 24/7 monitoring of new episodes mentioning keywords; daily email digests, per‑alert RSS feeds; connects via Zapier/IFTTT and RSS to Slack/Trello/Airtable etc.
  • Podcast Datasets: batch export by keyword/category/playlist/iTunes IDs or full‑database Enterprise export; delivered as CSV or SQLite.

Unique

  • Live options flow across all US options exchanges, with a status indicator so you know the feed is healthy.
  • Dark-pool tape plus ‘Dark Pool Levels’ to surface recent prints and ticker-specific liquidity zones.
  • Options and stock screeners with filters for premium, volume, open interest, IV rank, and common technicals.
  • Options Profit Calculator to model multi-leg strategies, Greeks, and payoff P/L.
  • Paper trading for both stocks and options to test ideas without risk.
  • Portfolio Manager with broker linking for IBKR, tastytrade, Fidelity, and Robinhood.
Tested

Verified by hands-on testing inside Find My Moat

Not yet

Yes

Editor pick

Featured inside curated shortlists

Standard listing

Highlighted

Frequently Asked Questions

Which workflows do Listen Notes and Unusual Whales both support?

Both platforms cover Data APIs, APIs & SDKs, Alerts, and Education workflows, so you can research those use cases in either tool before digging into the feature differences below.

Do Listen Notes and Unusual Whales require subscriptions?

Both Listen Notes and Unusual Whales keep freemium access with optional paid upgrades, so you can trial each platform before committing.

How can you access Listen Notes and Unusual Whales?

Both Listen Notes and Unusual Whales support web and mobile access, making it easy to keep tabs on research away from the desk.

What unique strengths set the two platforms apart?

Listen Notes differentiates itself with Podcast API v2: search, directory, insights; official client libraries; OpenAPI spec & mock server for keyless testing., Pricing tiers with concrete quotas: FREE (300 req/mo), PRO (base fee with 5k req/mo included + tiered overages), ENTERPRISE (annual contract, larger quotas, relaxed caching/no-logo)., and Plan-based search result caps & rate limits: FREE up to 30 results/query (2 req/s, 20 req/min); PRO up to 300 results/query (medium rate limit); ENTERPRISE up to 10,000 results/query (high rate limit)., whereas Unusual Whales stands out for Live options flow across all US options exchanges, with a status indicator so you know the feed is healthy., Dark-pool tape plus ‘Dark Pool Levels’ to surface recent prints and ticker-specific liquidity zones., and Options and stock screeners with filters for premium, volume, open interest, IV rank, and common technicals..

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.