GCPhone is a simple and effective Solution

to manage your business on smartphone, tablet and PC.

Invoicing software small business owner – small enterprise, for Android, iOS (iPhone and iPad), available on Google Play and the App Store. Download the demo of the PC version here.

IMPORTANT : see the Help page for download, the quick start aids, according to the different versions of GCPhone.

Why choose GCPhone

Quotation Management

Quotations, Orders, Invoices and Supplier Order Management, PDF reports, CSV export (Excel).

Contact Management

Clients, Suppliers & Others, synchronization with the phone contacts, sending emails/SMS, calls.

Product Management

Inventory Control, Automatic Replenishment, Cost Price calculation.


GCPhone is available in :
English, French, Italian & Spanish.

Main Features of GCPhone

A simple & effective solution


Easily manage your Customers, Products, Appointments, print and send your Quotes & Invoices from your smartphone, tablet or your PC. Scan your business through the statistical tables provided, manage your inventory and purchase orders in a few taps.

  • Quotation Management
  • Contact Management
  • Product Management
  • Supplier Management
  • Task Management
  • Alert Management
  • Stock Movement History
  • Contact History
  • Business Management
  • Expense reports
View all features

Created by Nexus Développement

IT Solutions & More

Main activities

Windev Development
AS/400 Development
Graphic Design

Nexus Développement founded in 1995, is an IT services company and software publisher, whose mission is to design and implement IT solutions tailored to the needs of its clients.



Our strategy is based on Customer Relationship Management and our objective is to establish this long term relationship with our clients.

Our areas of expertise include :

  • Custom software development, mobile applications and windows software
  • Application Development and maintenance on the AS/400 platform
  • E-Commerce and Web Design
  • Graphic Design

Since 1995, we have answered with success to many customers expectations. Small- and medium-sized businesses as well as larger accounts :

  • La Poste
  • C & A
  • Ministère de la Justice
  • Ford AutoMobiles
  • Bronkhorst
  • GlaxoSmithKline
  • Fiat France
  • Lyonnaise des Eaux
  • Volvo France
  • Trelleborg

Send us a message