VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Monday, October 6, 2025

View Firefly IIIView Wise (Interest & Stocks)Back to Home

Head-to-head

Firefly III vs Wise (Interest & Stocks) comparison

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

Quick takeaways

Firefly III adds Portfolio, Webhooks, and Other coverage that Wise (Interest & Stocks) skips.

Wise (Interest & Stocks) includes Wealth Management, and Downloadable Tax Reports 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..

Wise (Interest & Stocks) is known for: Interest (UK/EEA): balances are invested in government money-market funds; you can spend anytime, but capital is at risk., Stocks: one-fund exposure via BlackRock’s iShares World Equity Index Fund (LU) Class N2 EUR, with currency conversions handled automatically., and Transparent Interest service fees shown per currency (e.g., GBP/EUR/USD) and subject to change..

Wise (Interest & Stocks) 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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Wise (Interest & Stocks) logo

Wise (Interest & Stocks)

wise.com

Investing features vary by country. In the UK/EEA, Interest allocates to government money-market funds; in the US, Interest is a bank program with pass-through FDIC insurance (not an investment). “Stocks” is a single BlackRock iShares World Equity Index mutual fund where available. Settlement speed (instant vs non-instant) and whether you invest from Balances or Jars differ by market. Fees are published per currency; Stocks adds a Wise service fee on top of the fund’s OCF.

Platforms

Web
Mobile
API

Pricing

Free
Other

Quick highlights

  • Interest (UK/EEA): balances are invested in government money-market funds; you can spend anytime, but capital is at risk.
  • Stocks: one-fund exposure via BlackRock’s iShares World Equity Index Fund (LU) Class N2 EUR, with currency conversions handled automatically.
  • Transparent Interest service fees shown per currency (e.g., GBP/EUR/USD) and subject to change.
  • Stocks includes a Wise service fee in addition to the fund’s ongoing charges.
  • Availability, access speed (instant vs non-instant), and Balances vs Jars investing differ by country.

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Overlap

Shared focus areas

1 overlap

Both tools cover this research theme.

Where they differ

Firefly III

Distinct strengths include:

Portfolio
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.

Wise (Interest & Stocks)

Distinct strengths include:

Wealth Management
Downloadable Tax Reports
  • Interest (UK/EEA): balances are invested in government money-market funds; you can spend anytime, but capital is at risk.
  • Stocks: one-fund exposure via BlackRock’s iShares World Equity Index Fund (LU) Class N2 EUR, with currency conversions handled automatically.
  • Transparent Interest service fees shown per currency (e.g., GBP/EUR/USD) and subject to change.
  • Stocks includes a Wise service fee in addition to the fund’s ongoing charges.

Feature-by-feature breakdown

AttributeFirefly IIIWise (Interest & Stocks)
Categories

Which research workflows each platform targets

Shared: APIs & SDKs

Unique: Portfolio, Webhooks, Other

Shared: APIs & SDKs

Unique: Wealth Management, Downloadable Tax Reports

Asset types

Supported asset classes and universes

Other

Mutual Funds, Currencies

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, Other

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

  • Interest (UK/EEA): balances are invested in government money-market funds; you can spend anytime, but capital is at risk.
  • Stocks: one-fund exposure via BlackRock’s iShares World Equity Index Fund (LU) Class N2 EUR, with currency conversions handled automatically.
  • Transparent Interest service fees shown per currency (e.g., GBP/EUR/USD) and subject to change.
  • Stocks includes a Wise service fee in addition to the fund’s ongoing charges.
  • Availability, access speed (instant vs non-instant), and Balances vs Jars investing differ by country.
  • US Interest: opt-in bank program with pass-through FDIC insurance via partner banks—classified as a banking feature, not an investment product.
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Frequently Asked Questions

Which workflows do Firefly III and Wise (Interest & Stocks) both support?

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

Do Firefly III and Wise (Interest & Stocks) require subscriptions?

Both Firefly III and Wise (Interest & Stocks) keep freemium access with optional paid upgrades, so you can trial each platform before committing.

Which tool has mobile access?

Wise (Interest & Stocks) 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 Wise (Interest & Stocks) stands out for Interest (UK/EEA): balances are invested in government money-market funds; you can spend anytime, but capital is at risk., Stocks: one-fund exposure via BlackRock’s iShares World Equity Index Fund (LU) Class N2 EUR, with currency conversions handled automatically., and Transparent Interest service fees shown per currency (e.g., GBP/EUR/USD) and subject to change..

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.