VOL. XCIV, NO. 247
★ BEST INVESTING TOOLS COMPARISON ★
NO ADVICE
Wednesday, June 3, 2026
Tool Comparison · Wednesday, June 3, 2026
Firefly III vs Uncle Stock
Firefly III vs Uncle Stock: 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
Uncle Stock
Pickunclestock.com
Best for screeners, and backtesting
- Pricing
- Free • From $130/yr
- Platforms
- Web, API
Outbound links may include affiliate or sponsor codes.
Comparison snapshot
Who should choose which?
Choose
Firefly III if…
- You need self-hosted open-source personal finance manager (agplv3 license).
- You need supports double-entry bookkeeping with budgets, categories, tags, and detailed reporting.
- You need comprehensive rest api (json) with oauth2 and personal access tokens, plus a full openapi specification.
- You need api documentation now notes ongoing versioned diffs from v6.4.0 onward and primary-currency conversion fields when exchange-rate conversion is enabled.
Choose
Uncle Stock if…
- You’re a long-term or value-focused investor
- You need screens 100,000+ stocks (nano-cap to large-cap) across all continents with 2,000+ metrics; pricing page lists “history: 25 years. 35 years on us.” on bronze .
- You need includes guru-inspired models/screens (buffett, graham, lynch) and provides advice/scores and a price target metric set (plan-dependent) .
- You need screen builder supports metric conditions and (silver+) multi-criteria composite ranking; query clauses include must/should/exclude .
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 | Uncle Stock |
|---|---|---|
Asset types | Other | StocksCryptos |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Regions | Not specified | North AmericaEuropeAPACLatAmMiddle EastAfrica |
Data freshness | Not specified | Not specified |
API access | REST | REST |
Export formats | CSV | CSV |
Seen enough? Open either tool and try it now.
Pricing breakdown
Tool
Firefly III
—
Starting price
Plans & pricing
Tool
Uncle Stock
$10.83/mo
Starting price
Plans & pricing
Coverage overlap
Categories covered by Uncle Stock 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 Uncle Stock?
Firefly III focuses on Portfolio, APIs & SDKs, and Webhooks while Uncle Stock specializes in Screeners, Backtesting, and Data Visualizations. They overlap in 2 categories, so choose based on your preferred workflow and pricing.
How much do Firefly III and Uncle Stock cost?
Good news—both Firefly III and Uncle Stock offer free plans. You can try each platform without commitment and only pay when you need premium features.
Do Firefly III and Uncle Stock 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 Uncle Stock?
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 Uncle Stock if Screens 100,000+ stocks (nano-cap to large-cap) across all continents with 2,000+ metrics; pricing page lists “History: 25 years. 35 years on US.” on Bronze ., and Includes guru-inspired models/screens (Buffett, Graham, Lynch) and provides advice/scores and a price target metric set (plan-dependent) . better fits how you invest.
What asset classes do Firefly III and Uncle Stock cover?
Both cover common asset types. Firefly III also includes Other. Uncle Stock adds coverage for Stocks, and Cryptos.
Can I export data from Firefly III and Uncle Stock?
Both platforms let you export data to spreadsheets (CSV). This is useful for custom analysis or record-keeping.
Which has a better stock screener—Firefly III or Uncle Stock?
Uncle Stock includes a stock screener for finding investment ideas. Firefly III focuses on other analytical tools.
Can I track my portfolio with Firefly III or Uncle Stock?
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.