VOL. XCIV, NO. 247

★ BEST INVESTING TOOLS COMPARISON ★

NO ADVICE

Tuesday, February 24, 2026

Tool Comparison

Firefly III vs Masttro comparison

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

Firefly III logo

Firefly III

firefly-iii.org

PricingFree
PlatformsWeb, API
Masttro logo

Masttro

masttro.com

PricingSubscription
PlatformsWeb, Mobile, API
Top 50 Investing ToolsThe global ranking of the best investing tools, ranked by community votes.

At a glance

Platforms
Firefly IIIWeb, API
MasttroWeb, Mobile, API
Categories
Firefly III4
Masttro14
Pricing details

Tool

Firefly III

Starting price

Free tierYes
Free trial

Plans & pricing

FreeFree

Tool

Masttro

Starting price

Free tierNo
Free trial

Plans & pricing

Fixed annual licenseSubscription

Vote sentiment comparison

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Platform details

AttributeFirefly IIIMasttro
Asset types
Other
StocksBondsMutual FundsHedge FundsPrivate FundsReal EstateCryptosOther
Experience
BeginnerIntermediateAdvanced
Advanced
Regions
Not specified
North AmericaEuropeLatAmAPAC
Data freshness
Not specifiedNot specified
API access
REST
Not specified
Export formats
CSV
CSVPDF

Coverage overlap

Frequently Asked Questions

What's the difference between Firefly III and Masttro?

Firefly III focuses on Portfolio, APIs & SDKs, and Webhooks while Masttro specializes in Wealth Management, Portfolio Accounting / Book of Record, and Client & Investor Reporting. They overlap in 2 categories, so choose based on your preferred workflow and pricing.

Is Firefly III or Masttro free to use?

Firefly III offers a free tier that lets you get started without paying, while Masttro requires a subscription. If budget is a concern, start with Firefly III and upgrade later if you need more advanced features.

Which is better for beginners—Firefly III or Masttro?

Firefly III is more beginner-friendly with an approachable interface. Both can work for intermediate users.

Can I use Firefly III or Masttro on my phone?

Masttro has a mobile app so you can check your research on the go. Firefly III is web-only, so you'll need a browser to access it from mobile devices.

Do Firefly III and Masttro have APIs?

Yes, both platforms offer API access for developers and quants who want to build custom integrations or automate their workflows.

Should I choose Firefly III or Masttro?

Choose Firefly III if you need Self-hosted open-source personal finance manager (AGPLv3 license)., and Supports double-entry bookkeeping with budgets, categories, tags, and detailed reporting.. Go with Masttro if Unified wealth OS for UHNW family offices, multi-family offices, wealth advisors, institutions, and professional services firms, delivering a single, accurate view of total net worth across all assets, geographies, currencies, and entity structures., and Direct data aggregation from 650+ proprietary custodian feeds (no screen scraping or third-party intermediaries), powering verified daily transaction and position data across bankable and non-bankable assets. better fits how you invest.

What asset classes do Firefly III and Masttro cover?

Both cover Other. Masttro adds coverage for Stocks, Bonds, Mutual Funds, Hedge Funds, Private Funds, Real Estate, and Cryptos.

Can I export data from Firefly III and Masttro?

Both platforms let you export data to spreadsheets (CSV). This is useful for custom analysis or record-keeping.

Can I track my portfolio with Firefly III or Masttro?

Both platforms include portfolio tracking, so you can monitor your holdings, performance, and allocation in one place.

Keep Exploring

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.