Smart Invoicing. Zero Headache.
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.
Create invoices in seconds, get paid faster and stay fully in control.
Predefined templates, saved client profiles and automatic numbering. Create a professional invoice in less than 30 seconds.
See who paid, who is late and what’s coming next – all in a clean overview with filters and smart reminders.
Install DueFlux on Windows, macOS and Linux, and keep an eye on invoices on the go with Android and iOS apps.
All data is encrypted in transit. You control where invoices are stored – local only or synced through your own services.
No tutorials, no headache. Just plug in your data and start billing.
Add your company details, logo, default currency and tax rates. Everything is reusable for future invoices.
Save client profiles and your most used services or products. No need to retype the same things every single time.
Export to PDF, send via email, mark as paid and follow up with smart reminders when due dates are close.
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.
€3.49 / month · VAT included
€6.99 / month · VAT included
Final price includes all taxes. No extra fees at checkout.
Built for families, freelancers, SMEs and corporate teams.
Choose your platform and install the app. For mobile, you’ll be redirected to the official store.
Classic installers or archives for your operating system.
Install DueFlux on your phone to check invoices on the go.
We try to detect your platform to highlight the best download for you.
Your billing data stays safe, encrypted and under your control.
TLS in transit, encrypted at rest, access only for your account.
Export invoices/data anytime. Optional backups on your own storage.
Least-privilege roles and audit trails to keep billing tidy.
Optional WAF, DDoS mitigation and rate limits at the edge when enabled.
App Check + bot challenges protect sign-up and checkout flows.
See what’s new in each version of DueFlux for every platform.
Everything you need to know before installing DueFlux.
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.
You can choose between local-only storage on your device or optional sync on your own cloud services. You stay in control.
Yes. Install it on your desktop and phone. With sync enabled, your invoices stay aligned across devices.
Absolutely. You can export invoices in PDF and data in CSV for accounting software or backups.
Need help fast?
Write us at support@dueflux.com and we'll respond as quickly as possible.
We monitor this inbox daily. Share details or screenshots and the team will get back with clear steps.