Smart Invoicing. Zero Headache.

Manage all your invoices in one clean, powerful app.

DueFlux helps you create, send and track invoices in seconds – on desktop and mobile. Designed for freelancers, small businesses and anyone who hates messy spreadsheets.

✓ Secure sync across devices ✓ Dark-mode first design ✓ Multi-currency ready

Why teams love DueFlux

Create invoices in seconds, get paid faster and stay fully in control.

Lightning-fast invoices

Predefined templates, saved client profiles and automatic numbering. Create a professional invoice in less than 30 seconds.

Smart payment tracking

See who paid, who is late and what’s coming next – all in a clean overview with filters and smart reminders.

Cross-platform by design

Install DueFlux on Windows, macOS and Linux, and keep an eye on invoices on the go with Android and iOS apps.

Secure & privacy-first

All data is encrypted in transit. You control where invoices are stored – local only or synced through your own services.

From sign-up to first invoice in 3 steps

No tutorials, no headache. Just plug in your data and start billing.

1

Set up your profile

Add your company details, logo, default currency and tax rates. Everything is reusable for future invoices.

2

Add clients & services

Save client profiles and your most used services or products. No need to retype the same things every single time.

3

Send invoices & track payments

Export to PDF, send via email, mark as paid and follow up with smart reminders when due dates are close.

Simple, transparent pricing

Choose Basic or Business on the website. The app shows your active plan.

Early offer: -30% for the first 100 Basic and 100 Business subscriptions.

Basic

€3.49 / month · VAT included

  • Unlimited invoices & features
  • Families, households & personal bills
  • All devices: desktop & mobile
  • Personal account / individual use
Start Basic subscription

Final price includes all taxes. No extra fees at checkout.

Trusted and built for modern teams

Built for families, freelancers, SMEs and corporate teams.

Households & families
Freelancers & creators
SMEs & startups
Enterprises & corporate teams

Download DueFlux

Choose your platform and install the app. For mobile, you’ll be redirected to the official store.

Desktop

Classic installers or archives for your operating system.

Windows

Recommended: 64-bit installer for Windows 10/11.

macOS

Universal installer for Apple Silicon and Intel Macs.

Linux

Use the package or AppImage, depending on your distro.

Mobile

Install DueFlux on your phone to check invoices on the go.

Android

Redirect to Google Play Store.

Get it on Google Play

iOS

Redirect to Apple App Store.

Download on the App Store

We try to detect your platform to highlight the best download for you.

Security & privacy first

Your billing data stays safe, encrypted and under your control.

Encryption everywhere

TLS in transit, encrypted at rest, access only for your account.

Backups & exports

Export invoices/data anytime. Optional backups on your own storage.

Ready for teams

Least-privilege roles and audit trails to keep billing tidy.

Edge protection

Optional WAF, DDoS mitigation and rate limits at the edge when enabled.

Abuse prevention

App Check + bot challenges protect sign-up and checkout flows.

Latest updates

No updates published yet. Release notes will appear here soon.

Changelog & Release notes

See what’s new in each version of DueFlux for every platform.

Frequently asked questions

Everything you need to know before installing DueFlux.

Which plan should I pick?

Choose Basic for personal accounts (families, households, individual bills). Choose Business for company accounts handling supplier/client invoices. Both include all features and unlimited usage.

Where is my data stored?

You can choose between local-only storage on your device or optional sync on your own cloud services. You stay in control.

Can I use DueFlux on multiple devices?

Yes. Install it on your desktop and phone. With sync enabled, your invoices stay aligned across devices.

Can I export my data?

Absolutely. You can export invoices in PDF and data in CSV for accounting software or backups.

Need help fast?

Clarifications, bugs or feedback?

Write us at support@dueflux.com and we'll respond as quickly as possible.

Email support@dueflux.com

We monitor this inbox daily. Share details or screenshots and the team will get back with clear steps.