Firefly III vs Kill Bill

A side-by-side comparison of two self-hosted budgeting & finance options — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
FeatureFirefly IIIKill Bill
CategoryBudgeting & FinanceBudgeting & Finance
LicenseAGPL-3.0Apache-2.0
LanguagePHPJava
Setup difficultyMediumHard
Min. RAM512 MB2,048 MB
Deploymentdocker, bare-metal, sourcedocker, bare-metal, source
GitHub stars★ 24,254★ 5,656
First released20162010
ReplacesMint, YNABZuora, Chargebee

Why pick each one

Choose Firefly III if…

  • Powerful budgeting features
  • Strong API for automation
Firefly III details

Choose Kill Bill if…

  • Battle-tested at scale
  • Highly extensible plugins
Kill Bill details

Frequently asked questions

Is Firefly III or Kill Bill better?

Firefly III is the stronger all-round pick: it has both the larger community and the simpler medium setup. Consider Kill Bill if its specific feature set fits your needs better.

Are Firefly III and Kill Bill free and open-source?

Yes. Firefly III is licensed under AGPL-3.0 and Kill Bill under Apache-2.0. Both can be self-hosted at no software cost.

Can I run Firefly III and Kill Bill with Docker?

Firefly III: yes. Kill Bill: yes.

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