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Firefly III vs Fuelly

Professional comparison and analysis to help you choose the right software solution for your needs.

Firefly III icon
Firefly III
Fuelly icon
Fuelly

Firefly III vs Fuelly: The Verdict

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature Firefly III Fuelly
Sugggest Score — —
Category Finance Travel & Location
Pricing Open Source —

Product Overview

Firefly III
Firefly III

Description: Firefly III is an open-source personal finance manager that helps users track their spending and manage their finances. It offers features like budgeting, transaction reporting, and visualizing net worth over time.

Type: software

Pricing: Open Source

Fuelly
Fuelly

Description: Fuelly is a web and mobile app that helps drivers track gas mileage, car maintenance, and fuel costs. Users can input fill-ups to log miles per gallon, get reminders for vehicle upkeep, analyze fuel economy over time, and estimate fuel spending.

Type: software

Key Features Comparison

Firefly III
Firefly III Features
  • Budgeting
  • Transaction Reporting
  • Visualizing Net Worth over Time
  • Open-Source
  • Multi-Currency Support
  • Multi-User Support
  • Mobile App
  • Automatic Transactions Import
  • Custom Rules
  • Bill Reminders
Fuelly
Fuelly Features
  • Track gas mileage and fuel costs
  • Log vehicle fill-ups
  • Calculate miles per gallon
  • Receive maintenance reminders
  • Analyze fuel economy trends over time
  • Estimate future fuel spending

Pros & Cons Analysis

Firefly III
Firefly III
Pros
  • Open-Source and Free
  • Comprehensive Budgeting and Reporting Features
  • Multi-Currency and Multi-User Support
  • Customizable and Extensible
  • Active Community and Development
Cons
  • Can be Complex for Beginners
  • Limited Integrations with External Services
  • Lacks Some Advanced Features Compared to Paid Solutions
Fuelly
Fuelly
Pros
  • Easy to use web and mobile app
  • Detailed tracking of fuel consumption and costs
  • Helpful maintenance reminders
  • Ability to share data with other users
  • Free version available with limited features
Cons
  • Limited functionality in free version
  • Requires manual data entry for fill-ups
  • No integration with vehicle's on-board computer

Pricing Comparison

Firefly III
Firefly III
  • Open Source
Fuelly
Fuelly
  • Not listed

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Learn More About Each Product

Firefly III
Firefly III
Reviews, pricing & alternatives →
Fuelly
Fuelly
Reviews, pricing & alternatives →

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