Abacus for Firefly III

Abacus for Firefly III

Firefly III open source client

41 ratings
11 reviews
Free

Details

  • Released
  • Updated
  • June 6, 2022
  • October 14, 2025
Abacus for Firefly III screenshot #1 for iPhone
Abacus for Firefly III screenshot #2 for iPhone
Abacus for Firefly III screenshot #3 for iPhone
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Abacus for Firefly III screenshot #6 for iPhone
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About

This secure, open-source client connects to your personal Firefly III instance to manage your finances. It offers OAuth2 authentication, secure token storage, and visualizes your net worth and asset account history through charts. It requires a self-hosted Firefly III installation to function.

Secure OAuth2 authentication
Encrypted token storage
Net worth tracking by currency
Asset account history charts
Open-source and no analytics
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What's New in Abacus for Firefly III

0.25.0

October 14, 2025

- Bug fixes - Extended category overview @ctrl-f5 - Fix crash when initial state is from previous version @ctrl-f5 - Add Error Boundaries @ctrl-f5 - Correctly render the line markers on cursor when not all lines are active @ctrl-f5 - Fix UI overflow for long currency numbers on mobile devices @Copilot - Improved assets homepage @ctrl-f5

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User reviews

Great app

Thanks for all your hard work!

Excellent app!

Thanks to the author for their work; this is a fantastic app. I'm currently using Firefly-III 6.4.0 and have noticed some compatibility issues. For example, when I switch to the "Categories" tab, my created categories don't appear, and the charts don't work properly.

Amazing extension to the Firefly III

I’ve amazed has good useful is this app

Great app!

Does exactly what you need (check balances and add transactions) and looks great!

A great mobile client for Firefly III

This app is great. It doesn’t do everything, but it has the most essential elements I want on mobile, including biometric lock. It’s very stable and looks clean. It is built for mobile rather than based on the Firefly III web client, which I appreciate a lot.

FAQ

Does Abacus for Firefly III have ads?

No, Abacus for Firefly III does not contain advertisements. It is a free and open-source application with no ads or analytics.

What is the rating for Abacus for Firefly III?

Abacus for Firefly III has an excellent rating of 4.9 stars based on 41 user reviews.

What devices does Abacus for Firefly III support?

Abacus for Firefly III is available for iPhone, iPad, and iPod devices.

What is the age rating for Abacus for Firefly III?

Abacus for Firefly III has an age rating of 4+, making it suitable for a wide range of users.

How often is Abacus for Firefly III updated?

The latest version of Abacus for Firefly III is 0.25.0, last updated on October 14, 2025. This indicates a recent and active development cycle.

What are the security features of Abacus for Firefly III?

Abacus for Firefly III uses OAuth2 for authentication and stores access and refresh tokens securely using iOS Keychains. It also avoids external API calls for analytics or crash reporting.

Can I use Abacus for Firefly III without a Firefly III instance?

No, you need a personal Firefly III instance running online or on your local network to use Abacus for Firefly III. It acts as a client for your existing Firefly III setup.

What kind of financial data can Abacus for Firefly III display?

Abacus for Firefly III supports tracking net worth by currency and provides charts to visualize the history of your asset accounts.