NeonByte

NeonByte s.r.o. develops FakturujZdarma.cz, a web and mobile invoicing application. It covers issuing invoices, credit notes and proformas, expense tracking, recurring invoices, ISDOC import and export, and PDF invoices with QR payment codes. Apps are available for iPhone, iPad and Android.

The product targets freelancers and small businesses in the Czech Republic. The basic plan is free with no invoice limit, and the company states that it has no trial period. A paid Premium plan costs 149 CZK per month or 1,599 CZK per year and adds multiple brands under one account, unlimited receipt scanning with AI, a receivables monitor and automatic payment matching. NeonByte also offers custom development of SaaS platforms, system integrations and bespoke applications.

The company is based in Prague and was founded in 2025 by Jakub Dostál, who is listed as founder and managing director. The website describes the company as having no external investors. It also operates a public catalogue of Czech companies built on ARES data, which the site says covers more than 830,000 firms. The website is published in Czech only.

Product: FakturujZdarma.cz: web, iPhone, iPad and Android invoicing app with ARES lookup, PDF invoices with QR payment and expense tracking.