Firefly III vs Sure

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 IIISure
CategoryBudgeting & FinanceBudgeting & Finance
LicenseAGPL-3.0AGPL-3.0
LanguagePHPRuby
Setup difficultyMediumMedium
Min. RAM512 MB1,024 MB
Deploymentdocker, bare-metal, sourcedocker, source
GitHub stars★ 24,254★ 9,323
First released20162025
ReplacesMint, YNABMint, Quicken

Why pick each one

Choose Firefly III if…

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

Choose Sure if…

  • Released under the AGPL-3.0 license
  • First-class Docker support for quick deployment
  • Mature project with 9.3k GitHub stars
  • Written in Ruby
Sure details

Frequently asked questions

Is Firefly III or Sure better?

Neither is universally better. Firefly III has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.

Are Firefly III and Sure free and open-source?

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

Can I run Firefly III and Sure with Docker?

Firefly III: yes. Sure: yes.

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