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Flexina - Online invoicing software
Mobile
Integrated Peppol electronic invoicing

Mobile Invoicing Software - iPad, iPhone & Android

Peppol invoicing software for business management
Download on theApp Store
Download App Store app to access all mobile features
Get it onGoogle Play
Download Google Play app to access all mobile features

Your Invoicing and Business Management Everywhere, Without Constraints

Create and access all your business documents on the go
Enjoy a 100% online invoicing and business management solution, with no synchronization required. Generate and view your quotes, invoices, purchase orders and purchases instantly from your mobile, tablet or computer.

Instant Creation

Edit your quotes, invoices, purchase orders and purchases in just a few clicks.

Real-Time Access

All your documents available immediately, without complex synchronization.

Multiplatform

Usable on mobile, tablet and computer, no installation required.

Uncompromising Business Management, 100% Mobile

Convert, follow up, track your finances in one click
With Flexina, perform all your business operations from your mobile: transform a quote into an invoice, track unpaid bills, follow up with a client and perform your bank reconciliations with ease.

Instant Transformation

Convert a quote to an invoice in one click, wherever you are.

Automated Follow-up

Identify and follow up with clients for outstanding invoices.

Financial Tracking

Perform bank reconciliations and track payment status in real time.

Peppol Electronic Invoicing in Luxembourg

Simplify your compliance with 2026 regulations
With Flexina Mobile, send and receive your electronic invoices via the Peppol network with ease. The transition to mandatory electronic invoicing becomes an asset for your business.

Easy Sending

Send electronic invoices to your clients in one click.

Automated Reception

Receive and archive supplier invoices directly in Flexina.

2026 Compliance

Prepare now for the legal electronic invoicing requirement.

Your CRM at Your Fingertips

Easily access all your client information
With Flexina, view client records, take notes and track your tasks directly from your mobile.

Client Management

View and update client information in one click.

Task Tracking

Add tasks and notes for precise tracking of your interactions.

Complete History

Access order and client interaction history.

Get Your Documents Signed Online and Boost Your Sales

Integrated electronic signature for quick and efficient validation
Facilitate the signing of your quotes, purchase orders and delivery notes with our secure module. Give your clients the ability to sign digitally to accelerate transactions and increase your conversion rate.

Secure Signature

Your clients can validate their quotes, purchase orders and delivery notes in a few clicks.

Accelerate Your Sales

A quote signed immediately is a sale closed faster.

Legal Compliance

All electronic signatures comply with current standards.

Manage Your Purchase Invoices with Ease

Automated import and processing of your supplier invoices
With Flexina, scan or import your purchase invoices in seconds. Our artificial intelligence automatically extracts information and saves you from manual entry.

Instant Digitization

Scan your paper invoices and integrate them automatically.

Electronic Import

Upload your invoices in electronic format without any data entry.

Automated Processing

AI automatically extracts all important data.

Plan and Organize Your Activity in Real Time, No Synchronization Required

Integrated Flexina Planning for optimal management
With Flexina Planning, instantly access your professional calendar. View your appointments, interventions and deadlines, manage files linked to events and capture photos live from your mobile or tablet, without any synchronization required.

Permanent Planning Access

View and modify your calendar in real time, wherever you are.

File Consultation

Open and manage documents linked to your appointments and interventions.

Live Capture

Take photos associated with your events directly from the app.

Frequently Asked Questions about Flexina Mobile App

Questions about the Flexina mobile invoicing application? Discover how to manage your business efficiently on iPhone, iPad and Android.

Mobile app and compatibility

Which devices can I use the Flexina mobile app on?
The Flexina mobile app is available on iPhone, iPad and Android. It also works perfectly on Android tablets and iPad. You can download the app from the App Store for iOS or Google Play Store for Android. The app is optimized for all screen sizes.
Does the Flexina mobile app require synchronization?
No, no synchronization is required! The Flexina mobile app works in real time with your data. All changes made on mobile are instantly available on your computer and vice versa. This cloud solution ensures your data is always up to date, wherever you are.
Can I use the Flexina mobile app offline?
The Flexina mobile app requires an internet connection to function as it accesses your secure data in the cloud in real time. However, you can view the last loaded data even with a limited connection. As soon as the connection is restored, all your changes are automatically saved.
Is the mobile app free?
Yes, the Flexina mobile app is completely free for all users with an active Flexina account. There is no additional cost to use the app on iPhone, iPad or Android. You get all mobile invoicing features at no extra charge.

Mobile invoicing features

Can I create quotes and invoices from my mobile?
Absolutely! With the Flexina mobile app, you can create, edit and send your quotes, invoices, purchase orders and delivery notes directly from your smartphone or tablet. The interface is optimized for touchscreens and offers you all the essential invoicing features.
How does electronic signature work on mobile?
Electronic signature is integrated into the mobile app. Your clients can sign their quotes and purchase orders directly on your mobile or tablet using their finger or a stylus. The signature is legally recognized and secure. You can also send a signature link by email for remote signing.
Can I scan purchase invoices with the mobile app?
Yes! The mobile app includes an intelligent invoice scanner using artificial intelligence. Simply photograph your supplier invoices with your mobile camera, and the AI automatically extracts all important information (amount, date, supplier, etc.) to create the purchase invoice in Flexina.
Is Peppol electronic invoicing available on mobile?
Yes, Peppol electronic invoicing is fully supported by the mobile app. You can send and receive electronic invoices via the Peppol network directly from your smartphone or tablet. This feature prepares you for the electronic invoicing requirement in Luxembourg from 2026.

Business management and mobile CRM

Can I manage my clients from the mobile app?
Yes, the mobile app includes a complete CRM. You can view and edit client records, add notes, create tasks, view order history and even create new clients directly from your mobile. All information is synchronized in real time with your web version.
How does planning work on mobile?
Flexina planning is fully accessible from the mobile app. You can view your calendar, add appointments, modify events and even attach photos directly from the field. The app also allows you to view files linked to your interventions.
Can I perform bank reconciliations on mobile?
Yes, bank reconciliations are available on the mobile app. You can check off your payments, mark invoices as paid and track your cash flow status in real time. This feature allows you to maintain permanent control over your finances, even on the go.

Security and data

Is my data secure on the mobile app?
Absolutely! The Flexina mobile app uses the same level of security as the web version: SSL/TLS encryption, secure hosting in Europe, GDPR compliance and automatic backup. Your data is protected by the same banking security standards we use for all our services.
What happens if I lose my phone?
If you lose your phone, your data remains perfectly secure. The app requires authentication to access your data, and all your information is stored securely in the cloud, not on the device. You can simply reinstall the app on a new phone and log back in to retrieve all your data.
Can I give app access to my employees?
Yes, you can manage user access for your employees. Each user can have their own account with specific rights (view only, document creation, personal planning access, etc.). This allows effective team management while maintaining the security of your sensitive data.

Have a specific question?

Our team of experts is here to help you make your choice and answer all your questions about Flexina.

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Mobile apps

Manage your invoicing wherever you are

Download on App Store Get it on Google Play
Invoicing software on iPhone, iPad, Android

Trusted by businesses in Luxembourg

Luxembourg companies use Flexina every day to manage their quotes, invoices and business operations.

SCHALLER

Services

"Since I started using Flexina in Luxembourg, my life has changed. Everything is easier, they update very regularly. They always answer the phone, they are really super responsive! Thank you"
Albane SCHALLER

OPTIBELUX

Optics

"I have been using Flexina in Luxembourg since 2016, the software is super simple and very practical. Best wishes to the whole team."
Jonathan Flasschoen

MEETINGS, TRANSLATIONS & INCENTIVES SERVICES S.A.

Business services

"A loyal client since 2022, we highly recommend Flexina for the Grand Duchy of Luxembourg. The customer service is outstanding and the technical support remarkably responsive. A reliable and efficient invoicing software, perfectly suited to the needs of Luxembourg businesses."
André Vasanne