VOL. XCIV, NO. 247
★ BEST INVESTING TOOLS COMPARISON ★
NO ADVICE
Sunday, May 31, 2026
Tool Comparison · Sunday, May 31, 2026
Firefly III vs Masttro
Firefly III vs Masttro: which investing tool fits your workflow? Compare pricing, features, platforms, and verdict in seconds.
Firefly III
firefly-iii.org
Best for webhooks, and other
- Pricing
- Free
- Platforms
- Web, API
Masttro
masttro.com
Best for wealth management, and portfolio accounting / book of record
- Pricing
- Subscription
- Platforms
- Web, Mobile, API
Outbound links may include affiliate or sponsor codes.
Comparison snapshot
Who should choose which?
Choose
Firefly III if…
- You want to start free before paying
- You’re just getting started and want an approachable UI
- You need self-hosted open-source personal finance manager (agplv3 license).
- You need supports double-entry bookkeeping with budgets, categories, tags, and detailed reporting.
Choose
Masttro if…
- You need a mobile app for on-the-go research
- You need 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.
- You need 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.
- You need supports a wide range of asset classes and entity structures - including traditional securities (cash, bonds, mutual funds, public equities), alternatives (direct investments, private equity, hedge funds, venture capital, private credit), real estate, and lifestyle assets such as art, jewelry, and vehicles.
Consider alternatives if…
- You want broader category coverage in one tool.
- Neither pricing tier fits your budget.
Side-by-side feature breakdown
| Attribute | Firefly III | Masttro |
|---|---|---|
Asset types | Other | StocksBondsMutual FundsHedge FundsPrivate FundsReal EstateCryptosOther |
Experience | BeginnerIntermediateAdvanced | Advanced |
Regions | Not specified | North AmericaEuropeLatAmAPAC |
Data freshness | Not specified | Not specified |
API access | REST | Not specified |
Export formats | CSV | CSVPDF |
Seen enough? Open either tool and try it now.
Pricing breakdown
Tool
Firefly III
—
Starting price
Plans & pricing
Tool
Masttro
—
Starting price
Plans & pricing
Coverage overlap
Categories covered by Masttro only.
Community category leaders
Vote sentiment comparison
Loading sentiment chart...
Still deciding? Get hands-on with both — most plans offer a free tier or trial.
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.
Other tools you might like
These profiles share overlapping coverage with both sides of this matchup.
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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.