- Category Auto & Vehicles
- VersionVaries with device
- Downloads 0.50M
- Content Rating Everyone
FillUp - Gas Mileage Log: A Practical Fuel-Tracking Companion
At its core, FillUp - Gas Mileage Log aims to be a calm, reliable space for drivers to capture fuel purchases, monitor efficiency, and budget fuel costs without drowning in data. Developed by the FillUp team, the app positions itself as a straightforward tool for everyday drivers who want clarity over clutter: one place to log gallons, miles, and prices, with helpful charts and easy exports. It's especially approachable for commuters, road-trippers, and small fleet owners who prefer a clean, no-nonsense interface to manage fuel spending across multiple vehicles.
Core Features At a Glance
What you get with FillUp centers on practical logging plus accessible insights. First, the app supports quick and accurate fuel entries, with support for multiple vehicles, customizable units (miles/kilometers, gallons/liters), and optional odometer readings to track distance alongside fuel. This makes it easy to accumulate long-term data without a heavy setup ritual. Second, it offers fuel-economy analytics—visual dashboards that show fuel efficiency trends, average cost per mile, and period-by-period comparisons—so you can see how changes in driving habits, routes, or vehicle maintenance impact consumption. Third, receipt capture and expense organization help keep records tidy: snap a photo of a gas receipt, and the app can attach the image to the corresponding entry, with OCR-assisted text extraction to reduce manual typing. Finally, data portability and cross-device access are supported through export options (CSV or similar) and cloud/sync, so you can back up or share your logs across your devices. These features are complemented by offline functionality, ensuring you can log fuel data even when a network isn't available and sync when you're back online.
User Experience: Design, Flow, and Learning Curve
From a usability perspective, FillUp feels like it was designed by someone who understands a busy driver's rhythm. The onboarding is lightweight: a quick tour, a couple of defaults for your vehicle(s), and you're logging. The interface favors readability and a calm color palette over flashy visuals, which helps reduce cognitive load during what could otherwise be a fiddly task. The primary actions—adding a fuel entry, switching vehicles, or viewing a chart—are accessible from the main screen or a small bottom navigation bar, which contributes to a smooth flow that minimizes taps. The learning curve is shallow: most users can start recording entries within minutes and gradually explore more advanced features like receipts, exports, and custom reminders. The dashboard presents a clean mix of numeric data and simple charts. While the charts aren't the most feature-rich on the market, they deliver clear, actionable insights: see how your MPG shifts across months, spot unusually high-cost entries, and compare performance between vehicles. The learning curve remains reasonable because advanced options (like custom reminders or bulk edits) appear as optional, non-intrusive toggles rather than mandatory steps. A small but meaningful polish is the app's handling of units and currency, allowing straightforward toggling to match your local conventions, which matters for accurate budgeting and reporting. Overall, the experience feels dependable and predictable—a good fit for users who want steady results without wrestling with a dense analytics toolkit.
Standout Differentiators: What Sets It Apart
Compared with a broad slice of Auto & Vehicles apps, FillUp's strength lies in two practical, user-facing differentiators. First, the emphasis on quick, recurring entry paired with intuitive data organization makes it easy to sustain logging habits over time. The design minimizes friction: a single tap to add a fuel entry, one-click vehicle switch, and an elegant history view keep daily logging unobtrusive. Second, the receipt capture and OCR integration reduces the drain of expense documentation. By attaching photos and extracting relevant data automatically, users can keep a neat, searchable record without manual retyping for every purchase. These two aspects—swift daily logging and streamlined expense capture—together form a reliable workflow that supports ongoing fuel-tracking discipline. In addition to these, FillUp's multi-vehicle support and straightforward export options are practical for families or small fleets. The ability to consolidate data from different cars and to extract it for tax or reimbursement purposes helps fill a specific need that perhaps heavier fleet-management tools don't target with such simplicity. While there are apps that offer deeper analytics or more advanced forecasting, FillUp strikes a balance: solid core logging, accessible insights, and frictionless data management that remains approachable for non-technical users.
Recommendation and How to Use
Recommendation: FillUp is a solid choice for daily drivers and light fleet users who want a clear, non-disruptive way to track fuel usage and costs. It's probably not the best fit for users seeking highly advanced analytics, fleet-level metrics, or extensive customization. If your primary goal is to maintain a clean log, stay aware of cost per mile, and keep receipts organized with minimal manual entry, FillUp should meet your needs well. Usage tips to get the most from it: - Set up a vehicle profile for each car or truck you monitor, and standardize units to your preference early on. - Use the receipt capture feature to attach photos to entries as soon as you refuel; it helps keep records tidy for taxes or reimbursements. - Review the monthly or weekly charts to identify trends in MPG and costs, and use those insights to adjust driving habits or maintenance timing. - Take advantage of export options when you need to share data with a tax preparer or accountant, or when creating a personal budget. - Keep offline logging enabled when you're traveling in areas with spotty connectivity; the app's sync will consolidate data once you're back online. In short, FillUp is best described as a reliable, user-friendly partner for practical fuel management. It won't overwhelm you with features you don't need, but it provides enough structure to help you understand and manage fuel spend over time. If your goal is to cultivate a simple, sustainable logging habit with clear, actionable outputs, this app earns a thoughtful recommendation.
Pros
Automatic fuel log capture
The app can automatically log fill-ups by scanning receipts, saving manual entry.
Detailed mileage analytics
It provides per-drive MPG summaries and trend charts to help identify fuel-wasting habits.
Multi-vehicle support and targets
You can manage multiple vehicles and set MPG or cost targets to compare performance.
Cloud sync and data backup
Your logs sync across devices so you won't lose data if your phone is lost or replaced.
Exportable reports for tax and reimbursement
Export CSV or PDF reports to simplify tax deductions or fleet coordination.
Cons
OCR inaccuracies (impact: medium)
OCR can misread receipts, requiring manual corrections; temporary fix is to verify entries, with OCR improvements planned in the next update.
Onboarding and UI complexity (impact: medium)
The interface can feel cluttered for new users, making it hard to find edits or exports; workaround: use the guided tour, with a streamlined onboarding promised in a future release.
Feature access tied to subscription (impact: medium)
Some features like advanced exports and cloud sync require a paid upgrade; you can still log basics for free.
Limited export formats (impact: low)
Exports are limited to CSV or PDF and lack customization; users may need to adjust data manually for tax prep.
Performance on older devices (impact: medium)
The app can lag on older devices with large logs; a workaround is to archive older entries, with performance improvements planned.
Frequently Asked Questions
How can I start using FillUp and quickly set up my first vehicle?
To get started, open FillUp, tap Add Vehicle on the main screen, and enter your vehicle name and basic details. Then customize units in Settings > Preferences (MPG/KM/L, currency). This sets up your first car quickly and accurately.
How can I manage and compare fuel economy across multiple vehicles?
You can manage multiple cars by adding each vehicle in Settings > Vehicles. Switch vehicles from the main screen to view per-vehicle miles, gallons, and computed fuel economy on charts and monthly totals.
How does FillUp compute and visualize my gas mileage over time?
FillUp uses your filled fuel amount and odometer or distance to calculate MPG/KL, then plots averages as a line chart. It highlights trends, detects spikes, and helps you compare monthly efficiency in the Mileage Trend chart under Reports.
Is it possible to export and import my fuel records using CSV files?
Yes. Use CSV export to back up data and CSV import to restore or transfer. Access via Settings > Data > Import/Export, choose the file, and follow prompts to complete.
How can I generate and share HTML reports of my fuel statistics?
Yes. Go to Reports > HTML Reports to generate a clean, shareable summary of your fuel usage and mpg trends. HTML files can be emailed or saved locally for easy sharing with teammates, family, or maintenance providers.
Which units does FillUp support and how do I switch between MPG, KM/L, L/100KM, UK MPG, etc.?
FillUp supports MPG, KM/L, L/100KM, UK MPG (from miles or from kilometers). Change units in Settings > Preferences > Units, then the app recalculates all data accordingly and displays charts in your chosen unit.
How can I enter fuel purchases in different ways and have the app calculate missing values?
You can enter Total Cost + Fuel Amount to compute Fuel Price, or provide Fuel Price + Total Cost to derive Fuel Amount, or Fuel Price + Fuel Amount to calculate Total Cost. Access via Main Screen > Add Entry, then the app fills the third value.
How does FillUp protect my data privacy and how can I back up locally?
FillUp stores all data locally on your device, preserving privacy by default. For backups, use CSV export from Settings > Data > Import/Export and save files to SD card or cloud; re-import via the same path if needed.
Is FillUp free to use, and are there any paid plans or subscriptions?
FillUp is free and open source with no ads or paid tiers. There are no subscriptions or in-app purchases required; all features described are available. To verify licensing, check Settings > About > Licensing.
What should I do if CSV export or import fails and I can't transfer data?
First, ensure the CSV file is readable and properly formatted; then retry from Settings > Data > Import/Export. If problems persist, check storage permission and SD card visibility, or copy the CSV manually and re-import. Contact support if needed.