VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Sunday, October 5, 2025

View Listen Notes View Quartr Back to Home

Head-to-head

Listen Notes vs Quartr comparison

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

Quick takeaways

Listen Notes adds Education, and Other coverage that Quartr skips.

Quartr includes Transcripts, Improved Filings, AI, AI Chat, Calendar, Webhooks, and Watchlist 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)..

Quartr is known for: Stream live earnings calls with real-time transcripts—instant coverage as events happen., Centralizes IR material from 13,000+ companies across 27 markets: events, filings, reports, and slide decks, all searchable in one place., and AI chat over transcripts, filings, and slides, with every answer fully source-traceable back to the original document..

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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Quartr

quartr.com

Editor’s pick Hands-on review

Quartr brings together earnings calls, transcripts, filings, reports, and slides into one platform. The free mobile app is consumer-friendly, while Quartr Pro (desktop) and the API are enterprise products sold on a custom basis. The API is generous—paying customers get effectively unlimited calls, demo accounts are capped, and a 50 rps global rate limit goes into effect in December 2025. Live audio and transcripts are delivered in real time, making it a go-to tool for analysts who don’t want to wait.

Platforms

Web

Mobile

API

Pricing

Free

Subscription

Quick highlights

Stream live earnings calls with real-time transcripts—instant coverage as events happen.
Centralizes IR material from 13,000+ companies across 27 markets: events, filings, reports, and slide decks, all searchable in one place.
AI chat over transcripts, filings, and slides, with every answer fully source-traceable back to the original document.
Search across transcripts, filings, and slides to track narrative shifts, compare language, and follow how management decks evolve over time.
Earnings calendar with granular filters, calendar sync, and live alerts when calls go on air—plus keyword-based alerts.

Community votes (overall)

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Overlap

Shared focus areas

3 overlaps

Mutual strengths include Data APIs, APIs & SDKs, and Alerts.

Where they differ

Listen Notes

Distinct strengths include:

Education

Other

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.

Quartr

Distinct strengths include:

Stream live earnings calls with real-time transcripts—instant coverage as events happen.
Centralizes IR material from 13,000+ companies across 27 markets: events, filings, reports, and slide decks, all searchable in one place.
AI chat over transcripts, filings, and slides, with every answer fully source-traceable back to the original document.
Search across transcripts, filings, and slides to track narrative shifts, compare language, and follow how management decks evolve over time.

Feature-by-feature breakdown

Attribute	Listen Notes	Quartr
Categories Which research workflows each platform targets	Shared: Data APIs, APIs & SDKs, Alerts Unique: Education, Other	Shared: Data APIs, APIs & SDKs, Alerts Unique: Transcripts, Improved Filings, AI, AI Chat, Calendar, Webhooks, Watchlist
Asset types Supported asset classes and universes	Other	Stocks
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 Stream live earnings calls with real-time transcripts—instant coverage as events happen. Centralizes IR material from 13,000+ companies across 27 markets: events, filings, reports, and slide decks, all searchable in one place. AI chat over transcripts, filings, and slides, with every answer fully source-traceable back to the original document. Search across transcripts, filings, and slides to track narrative shifts, compare language, and follow how management decks evolve over time. Earnings calendar with granular filters, calendar sync, and live alerts when calls go on air—plus keyword-based alerts. Free mobile app with watchlists, personalized newsfeeds, consensus estimates, revenue segment breakdowns, offline listening, and curated company lists.
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 Quartr both support?

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

Do Listen Notes and Quartr require subscriptions?

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

How can you access Listen Notes and Quartr?

Both Listen Notes and Quartr 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 Quartr stands out for Stream live earnings calls with real-time transcripts—instant coverage as events happen., Centralizes IR material from 13,000+ companies across 27 markets: events, filings, reports, and slide decks, all searchable in one place., and AI chat over transcripts, filings, and slides, with every answer fully source-traceable back to the original document..

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