VOL. XCIV, NO. 247
★ BEST INVESTING TOOLS COMPARISON ★
NO ADVICE
Sunday, May 31, 2026
Tool Comparison · Sunday, May 31, 2026
Firefly III vs Scalable Capital
Firefly III vs Scalable Capital: which investing tool fits your workflow? Compare pricing, features, platforms, and verdict in seconds.
Firefly III
firefly-iii.org
Best for apis & sdks, and webhooks
- Pricing
- Free
- Platforms
- Web, API
Scalable Capital
scalable.capital
Best for brokerage, and wealth management
- Pricing
- Free
- Platforms
- Web, Mobile
Outbound links may include affiliate or sponsor codes.
Comparison snapshot
Who should choose which?
Choose
Firefly III if…
- You build with APIs or automate workflows
- 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.
Choose
Scalable Capital if…
- You need a mobile app for on-the-go research
- You need transparent pricing: free plan at €0.99 per trade (gettex/eie, min. €250) and prime+ at €4.99/month flat for trades above €250. xetra available at €3.99/trade. savings plans are always free.
- You need earn variable 2.5% annual interest on uninvested cash per current eu pricing pages; prime+ can distribute cash across up to five banks for up to 5 x €100,000 statutory deposit protection, otherwise cash may be held at banks or in money-market funds.
- You need access to more than 625,000 derivatives (certificates, knock-outs, warrants), with flat-rate trading included in prime+.
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 | Scalable Capital |
|---|---|---|
Asset types | Other | StocksETFsMutual FundsBonds |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Regions | Not specified | Europe |
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
Scalable Capital
—
Starting price
Plans & pricing
Coverage overlap
Categories covered by Scalable Capital only.
Community category leaders
Vote sentiment comparison
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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 Scalable Capital?
Firefly III focuses on Portfolio, APIs & SDKs, and Webhooks while Scalable Capital specializes in Brokerage, Wealth Management, and Portfolio. They overlap in 1 categories, so choose based on your preferred workflow and pricing.
How much do Firefly III and Scalable Capital cost?
Good news—both Firefly III and Scalable Capital offer free plans. You can try each platform without commitment and only pay when you need premium features.
Can I use Firefly III or Scalable Capital on my phone?
Scalable Capital 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.
Does Firefly III or Scalable Capital have an API?
Firefly III provides API access for programmatic data retrieval and custom integrations. Scalable Capital doesn't currently offer an API, so you'll need to use their web interface.
Should I choose Firefly III or Scalable Capital?
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 Scalable Capital if Transparent pricing: FREE plan at €0.99 per trade (gettex/EIE, min. €250) and PRIME+ at €4.99/month flat for trades above €250. Xetra available at €3.99/trade. Savings plans are always free., and Earn variable 2.5% annual interest on uninvested cash per current EU pricing pages; PRIME+ can distribute cash across up to five banks for up to 5 x €100,000 statutory deposit protection, otherwise cash may be held at banks or in money-market funds. better fits how you invest.
What asset classes do Firefly III and Scalable Capital cover?
Both cover common asset types. Firefly III also includes Other. Scalable Capital adds coverage for Stocks, ETFs, Mutual Funds, and Bonds.
Can I export data from Firefly III and Scalable Capital?
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 Scalable Capital?
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.