Last Updated: May 14, 2026
1. Introduction
FuelFlow Germany is an Android-based fuel tracking and vehicle expense management application designed for drivers, commuters, freelancers, business users, delivery drivers, ride drivers, and vehicle owners in Germany.
This Privacy Policy explains how FuelFlow Germany collects, uses, stores, and processes information when you use the application. The app is designed with a privacy-conscious, offline-first approach intended to minimize unnecessary data collection while providing fuel tracking, mileage tracking, expense monitoring, analytics, reporting, and related vehicle management features.
By using FuelFlow Germany, you acknowledge that your information may be processed as described in this Privacy Policy.
2. Scope
This Privacy Policy applies to FuelFlow Germany on Android devices, including free and premium subscription features.
It applies to:
- local data stored on your device
- optional features involving cloud functionality or synchronization
- analytics and diagnostics services used to maintain and improve the app
- subscription and billing functionality
- advertising shown in the free tier
This Privacy Policy does not apply to third-party services, platforms, or websites that may interact with the app, including services provided by Google or other external providers.
3. Information We Collect
FuelFlow Germany is designed to function primarily using data stored locally on your device. Depending on how you use the app and which features are enabled, the app may collect or process the following categories of information.
Vehicle Information
The app may store vehicle-related information such as:
- vehicle name
- manufacturer
- model
- year
- fuel type
- license plate
- purchase date
- current mileage
- nickname
- record creation timestamps
Fuel Entry Information
The app may process fuel-related records including:
- liters purchased
- total fuel cost
- price per liter
- fuel type
- odometer readings
- fuel station name
- optional location information
- payment method
- notes
- timestamps
Trip and Mileage Information
The app may process trip and mileage information such as:
- start mileage
- end mileage
- total distance
- trip purpose
- categories
- reimbursement eligibility
- timestamps
- optional start and end locations if entered or permitted by the user
Expense and Maintenance Information
The app may process:
- expense amounts
- expense categories
- descriptions
- dates
- optional attachments or photos
- maintenance records
- service dates
- service costs
- reminder dates
- maintenance notes
- vehicle associations
Settings and Preferences
The app may store preferences including:
- language settings
- currency preferences
- distance units
- theme mode
- notification settings
- export preferences
Analytics and Diagnostic Information
FuelFlow Germany uses analytics and crash reporting tools to improve app performance, reliability, and user experience.
This may include:
- onboarding completion
- feature usage
- export usage
- subscription conversion events
- retention metrics
- fuel logging frequency
- crash reports
- device diagnostics
- app performance information
Subscription and Billing Information
Premium subscriptions are processed through Google Play Billing. FuelFlow Germany does not directly process or store complete payment card information.
Subscription-related information may include:
- subscription status
- billing state
- purchase validation information
Advertising Data
The free version of the app may display advertisements. Advertising technology providers may receive limited device or usage-related information necessary to deliver and measure advertisements.
Permissions
The app may request permissions only when relevant to app functionality, including:
- location access for optional trip or fuel location features
- storage or file access for exports or attachments
- camera access for optional receipt or document attachments
- notification permissions for reminders and summaries
Permissions can generally be managed through Android device settings.
4. How We Use Information
FuelFlow Germany may use information for purposes including:
- providing fuel tracking and expense management functionality
- calculating fuel efficiency and trip costs
- generating analytics, summaries, exports, and reports
- maintaining vehicle history and maintenance reminders
- enabling reimbursement workflows
- synchronizing optional premium features where applicable
- improving app stability and performance
- monitoring feature usage and engagement
- providing customer support
- managing subscriptions and premium access
- displaying advertisements in the free tier
- protecting against abuse, fraud, misuse, or technical issues
The app is designed to avoid unnecessary collection of unrelated personal information.
5. Legal Basis for Processing
Where applicable under data protection laws, including the GDPR, FuelFlow Germany may process information based on:
- performance of services requested by the user
- legitimate interests in maintaining, improving, securing, and operating the application
- user consent, where permissions or optional features require consent
- compliance with legal obligations
You may withdraw certain permissions through your device settings, although some features may no longer function properly.
6. Sharing and Disclosure
FuelFlow Germany does not sell personal information.
Information may be shared in limited circumstances including:
- with service providers supporting analytics, crash reporting, billing, infrastructure, or advertising functionality
- with Google Play services for subscription management and billing
- when required by applicable law, regulation, legal process, or governmental request
- to protect the rights, safety, security, or integrity of users, the app, or related systems
- in connection with a business restructuring, merger, acquisition, or asset transfer if applicable in the future
Where third-party providers process information, they may do so under their own privacy policies and legal obligations.
7. Third-Party Services
FuelFlow Germany may rely on third-party services including:
- Firebase Analytics
- Firebase Crashlytics
- Google Play Billing
- advertising and ad measurement technologies used in the free tier
These providers may process certain device, diagnostic, subscription, or usage-related information in accordance with their own privacy policies.
Users should review applicable third-party privacy documentation provided by those services.
8. Data Retention
FuelFlow Germany is designed with a local-first architecture, meaning much of the app data is stored directly on the user's device.
Data may be retained:
- for as long as necessary to provide app functionality
- until deleted by the user
- as required for legitimate operational, legal, accounting, or security purposes
Users may have options within the app to:
- export their data
- delete records
- remove locally stored information
Diagnostic or analytics data processed by third-party providers may be retained according to those providers’ policies.
9. Security
FuelFlow Germany uses reasonable technical and organizational safeguards intended to protect information against unauthorized access, loss, misuse, alteration, or disclosure.
However:
- no method of electronic storage or transmission is completely secure
- absolute security cannot be guaranteed
- users remain responsible for securing access to their own devices and accounts
10. User Choices and Rights
Depending on applicable laws and your region, you may have rights regarding your information, including:
- access to information associated with your use of the app
- correction of inaccurate information
- deletion of certain information
- restriction or objection to certain processing activities
- export of app data where supported
- withdrawal of permissions previously granted
Many controls may be available directly through:
- app settings
- Android device permissions
- data export and delete tools within the app
Requests related to privacy or data rights may be submitted through available support or contact channels associated with FuelFlow Germany.
11. Children’s Privacy
FuelFlow Germany is designed for drivers, vehicle owners, commuters, freelancers, and business users. The app is not directed toward children.
The app is not intentionally designed to collect personal information from children. If it becomes known that information has been unintentionally collected from a child in a manner inconsistent with applicable law, reasonable steps may be taken to address the issue.
12. International Data Transfers
Some third-party service providers used by FuelFlow Germany may process information in countries outside Germany or the European Economic Area.
Where applicable, such transfers may occur subject to contractual protections, legal safeguards, or other mechanisms intended to support lawful international data processing.
13. Changes to This Policy
This Privacy Policy may be updated periodically to reflect:
- feature changes
- operational changes
- legal or regulatory developments
- improvements to privacy practices
Updated versions may be published through the app, associated websites, or app store listings. Continued use of FuelFlow Germany after changes become effective may constitute acceptance of the updated policy.
14. Contact Information
Questions, requests, or concerns regarding this Privacy Policy or privacy-related matters for FuelFlow Germany may be submitted through the official support or contact channels associated with the application.