VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Sunday, October 5, 2025

View Firefly IIIView Listen NotesBack to Home

Head-to-head

Firefly III vs Listen Notes comparison

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

Quick takeaways

Firefly III adds Portfolio, and Webhooks coverage that Listen Notes skips.

Listen Notes includes Data APIs, Alerts, and Education categories that Firefly III omits.

Firefly III highlights: Self-hosted open-source personal finance manager (AGPLv3 license)., Supports double-entry bookkeeping with budgets, categories, tags, and detailed reporting., and Comprehensive REST API (JSON) with OAuth2 and Personal Access Tokens, plus a full OpenAPI specification..

Listen Notes is known for: 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)..

Listen Notes offers mobile access, which Firefly III skips.

Firefly III logo

Firefly III

firefly-iii.org

An open-source, self-hosted personal finance manager licensed under AGPLv3. Offers full double-entry bookkeeping, REST APIs, and optional event webhooks. Exchange-rate conversion is available from v6.2 onward as an opt-in feature. Bank connections are handled separately through the Firefly Data Importer app.

Platforms

Web
API

Pricing

Free

Quick highlights

  • Self-hosted open-source personal finance manager (AGPLv3 license).
  • Supports double-entry bookkeeping with budgets, categories, tags, and detailed reporting.
  • Comprehensive REST API (JSON) with OAuth2 and Personal Access Tokens, plus a full OpenAPI specification.
  • Event webhooks for transaction create/update/delete, enabled through environment configuration.
  • Separate Data Importer tool supports CSV and CAMT.053, with optional bank integrations via Salt Edge, GoCardless, and SimpleFIN.

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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.

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Overlap

Shared focus areas

2 overlaps

Mutual strengths include APIs & SDKs, and Other.

Where they differ

Firefly III

Distinct strengths include:

Portfolio
Webhooks
  • Self-hosted open-source personal finance manager (AGPLv3 license).
  • Supports double-entry bookkeeping with budgets, categories, tags, and detailed reporting.
  • Comprehensive REST API (JSON) with OAuth2 and Personal Access Tokens, plus a full OpenAPI specification.
  • Event webhooks for transaction create/update/delete, enabled through environment configuration.

Listen Notes

Distinct strengths include:

Data APIs
Alerts
Education
  • 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.

Feature-by-feature breakdown

AttributeFirefly IIIListen Notes
Categories

Which research workflows each platform targets

Shared: APIs & SDKs, Other

Unique: Portfolio, Webhooks

Shared: APIs & SDKs, Other

Unique: Data APIs, Alerts, Education

Asset types

Supported asset classes and universes

Other

Other

Experience levels

Who each product is built for

Beginner, Intermediate, Advanced

Beginner, Intermediate, Advanced

Platforms

Where you can access the product

Web, API

Web, API, Mobile

Pricing

High-level pricing models

Free

Free, Subscription, One-time

Key features

Core capabilities called out by each vendor

Unique

  • Self-hosted open-source personal finance manager (AGPLv3 license).
  • Supports double-entry bookkeeping with budgets, categories, tags, and detailed reporting.
  • Comprehensive REST API (JSON) with OAuth2 and Personal Access Tokens, plus a full OpenAPI specification.
  • Event webhooks for transaction create/update/delete, enabled through environment configuration.
  • Separate Data Importer tool supports CSV and CAMT.053, with optional bank integrations via Salt Edge, GoCardless, and SimpleFIN.
  • CSV export available for accounts, budgets, categories, tags, recurring transactions, subscriptions, piggy banks, rules, and more.

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.
Tested

Verified by hands-on testing inside Find My Moat

Not yet

Not yet

Editor pick

Featured inside curated shortlists

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Frequently Asked Questions

Which workflows do Firefly III and Listen Notes both support?

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

Do Firefly III and Listen Notes require subscriptions?

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

Which tool has mobile access?

Listen Notes ships a dedicated mobile experience, while Firefly III focuses on web or desktop access.

What unique strengths set the two platforms apart?

Firefly III differentiates itself with Self-hosted open-source personal finance manager (AGPLv3 license)., Supports double-entry bookkeeping with budgets, categories, tags, and detailed reporting., and Comprehensive REST API (JSON) with OAuth2 and Personal Access Tokens, plus a full OpenAPI specification., whereas Listen Notes stands out for 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)..

Keep exploring

Stay on top of related tools

Browse the categories and profiles that overlap most with this comparison to round out your shortlist.

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.