VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Sunday, October 5, 2025

View Firefly III View GuruFocus Back to Home

Head-to-head

Firefly III vs GuruFocus comparison

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

Quick takeaways

Firefly III adds Webhooks, and Other coverage that GuruFocus skips.

GuruFocus includes Screeners, Stock Ideas, Stock Comparison, Backtesting, Investor Holdings, US Government Trades, News, Alerts, Calendar, GDP, Interest Rates, Inflation Rates, Unemployment Rates, Commitment of Traders (COT), Yield Curves, Financials, Valuation Models, Scores, Transcripts, Insider Data, 13F, ETF Overview, ETF Holdings, and Sheets / Excel Add-ins 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..

GuruFocus is known for: All-in-One Screener with hundreds of filters, historical screening, and custom filter creation., Backtesting with survivorship-bias-free data. Windows vary by plan: up to 3 years for Premium and up to 10 years for Premium Plus. Global coverage spans 80+ countries., and Guru portfolios tracking 13F and mutual fund holdings, real-time picks, and portfolio downloads to Excel..

GuruFocus offers mobile access, which Firefly III skips.

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.

Community votes (overall)

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GuruFocus

gurufocus.com

Editor’s pick Hands-on review

A global equity research and value-investing platform with robust screening, backtesting, and portfolio tools. Features and data access depend on plan tier—Premium vs. Premium Plus—while enterprise-level users can license data directly via API. Add-ins for Excel and Google Sheets extend workflows, though usage caps apply to lower tiers. Alerts and mobile apps are included across paid plans.

Platforms

Web

Mobile

API

Pricing

Free

Subscription

Quick highlights

All-in-One Screener with hundreds of filters, historical screening, and custom filter creation.
Backtesting with survivorship-bias-free data. Windows vary by plan: up to 3 years for Premium and up to 10 years for Premium Plus. Global coverage spans 80+ countries.
Guru portfolios tracking 13F and mutual fund holdings, real-time picks, and portfolio downloads to Excel.
Specialty trackers for insider trading and U.S. politician trades.
ETF profiles with current and historical holdings, including N-PORT data and timestamps.

Community votes (overall)

0% upvotes 0% downvotes

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Overlap

Shared focus areas

2 overlaps

Mutual strengths include Portfolio, and APIs & SDKs.

Where they differ

Firefly III

Distinct strengths include:

Webhooks

Other

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.

GuruFocus

Distinct strengths include:

All-in-One Screener with hundreds of filters, historical screening, and custom filter creation.
Backtesting with survivorship-bias-free data. Windows vary by plan: up to 3 years for Premium and up to 10 years for Premium Plus. Global coverage spans 80+ countries.
Guru portfolios tracking 13F and mutual fund holdings, real-time picks, and portfolio downloads to Excel.
Specialty trackers for insider trading and U.S. politician trades.

Feature-by-feature breakdown

Attribute	Firefly III	GuruFocus
Categories Which research workflows each platform targets	Shared: Portfolio, APIs & SDKs Unique: Webhooks, Other	Shared: Portfolio, APIs & SDKs Unique: Screeners, Stock Ideas, Stock Comparison, Backtesting, Investor Holdings, US Government Trades, News, Alerts, Calendar, GDP, Interest Rates, Inflation Rates, Unemployment Rates, Commitment of Traders (COT), Yield Curves, Financials, Valuation Models, Scores, Transcripts, Insider Data, 13F, ETF Overview, ETF Holdings, Sheets / Excel Add-ins
Asset types Supported asset classes and universes	Other	Stocks, ETFs, Mutual Funds
Experience levels Who each product is built for	Beginner, Intermediate, Advanced	Beginner, Intermediate, Advanced
Platforms Where you can access the product	Web, API	Web, Mobile, API
Pricing High-level pricing models	Free	Free, Subscription
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 All-in-One Screener with hundreds of filters, historical screening, and custom filter creation. Backtesting with survivorship-bias-free data. Windows vary by plan: up to 3 years for Premium and up to 10 years for Premium Plus. Global coverage spans 80+ countries. Guru portfolios tracking 13F and mutual fund holdings, real-time picks, and portfolio downloads to Excel. Specialty trackers for insider trading and U.S. politician trades. ETF profiles with current and historical holdings, including N-PORT data and timestamps. Valuation and scoring tools: discounted cash flow calculators, GF Value, and GF Score frameworks.
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 Firefly III and GuruFocus both support?

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

Do Firefly III and GuruFocus require subscriptions?

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

Which tool has mobile access?

GuruFocus 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 GuruFocus stands out for All-in-One Screener with hundreds of filters, historical screening, and custom filter creation., Backtesting with survivorship-bias-free data. Windows vary by plan: up to 3 years for Premium and up to 10 years for Premium Plus. Global coverage spans 80+ countries., and Guru portfolios tracking 13F and mutual fund holdings, real-time picks, and portfolio downloads to Excel..

Keep exploring

Stay on top of related tools

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