About
This mobile app allows users to issue, modify, and cancel invoices, submit real-time data to the tax authority, and manage customer and product information. It provides access to news and statistics related to invoicing.
What's New in Online Számlázó
1.25
April 16, 2026
Multiple bank account numbers can be entered in the account issuer's details, and the default format of the account – whether electronic or paper-based – can also be set.
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FAQ
What is Online Számlázó?
Online Számlázó is a free mobile application that unifies important features of the Online Invoice System and Online Invoicing Program for portable use. It allows users to issue, modify, and cancel invoices, submit real-time data to the NTCA, and manage customer and product information.
How do I use Online Számlázó?
To use Online Számlázó, you must first register for the Online Invoice System and meet the operating system requirements (iOS 11.0 or higher) and have an active internet connection. You can then log in using QR code identification, or primary and secondary user IDs.
What types of invoices can I issue with Online Számlázó?
Online Számlázó allows you to issue usual invoices, prepayment invoices, and invoices that modify or cancel original invoices not issued by this software.
Can I manage my customers and products with Online Számlázó?
Yes, the application enables you to create and modify customers, and create and modify products. You can also issue invoices that include these customers and products.
Does Online Számlázó have ads?
No, Online Számlázó does not contain advertisements. It is a free application provided by the NTCA.
What languages does Online Számlázó support?
The application can be set to English or German through the Settings menu, in addition to its primary language.
How often is Online Számlázó updated?
The latest version of Online Számlázó is 1.25, and it was last updated on April 16, 2026. This indicates a consistent update schedule for the application.
What devices is Online Számlázó compatible with?
Online Számlázó is designed for iOS devices, specifically iPhones and iPods, requiring an operating system of iOS 11.0 or higher.
