VOL. XCIV, NO. 247

★ BEST INVESTING TOOLS COMPARISON ★

NO ADVICE

Saturday, February 21, 2026

Tool Comparison

Firefly III vs Scalable Capital 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
Scalable Capital logo

Scalable Capital

scalable.capital

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

At a glance

Platforms
Firefly IIIWeb, API
Scalable CapitalWeb, Mobile
Categories
Firefly III4
Scalable Capital5
Pricing details

Tool

Firefly III

Starting price

Free tierYes
Free trial

Plans & pricing

FreeFree

Tool

Scalable Capital

Starting price

Free tierYes
Free trial

Plans & pricing

FREEFree
PRIME+ BrokerSubscription
Category leaders
WatchlistScalable Capital
Browse the #1 tool in 90+ categories

Vote sentiment comparison

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Platform details

AttributeFirefly IIIScalable Capital
Asset types
Other
StocksETFsMutual FundsBonds
Experience
BeginnerIntermediateAdvanced
BeginnerIntermediateAdvanced
Regions
Not specified
Europe
Data freshness
Not specifiedNot specified
API access
REST
Not specified
Export formats
CSV
CSVPDF

Coverage overlap

Shared categories1

Categories where both tools offer overlapping coverage.

Firefly III strengths3

Categories covered by Firefly III only.

Scalable Capital strengths4

Categories covered by Scalable Capital only.

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% annual interest on uninvested cash, with caps of €50k (FREE) and €500k (PRIME+). Cash is safeguarded with partner banks and 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.

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.