# KSeF - to proste! > KSeF education: quizzes, certification exam, XML invoices, certificate. Canonical page: [https://chrome-stats.com/d/pl.ksef.edumaster](https://chrome-stats.com/d/pl.ksef.edumaster) ## Overview - **ID:** `pl.ksef.edumaster` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** Elenmith - **Category:** EDUCATION - **Downloads:** 327 - **Last updated:** 2026-02-01 - **First published:** 2026-02-01 - **Publisher country:** PL - **Data as of:** 2026-09-15 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=pl.ksef.edumaster) - **Privacy policy:** [https://github.com/Elenmith/KSeF\_read/blob/main/POLITYKA\_PRYWATNOSCI.md](https://github.com/Elenmith/KSeF_read/blob/main/POLITYKA_PRYWATNOSCI.md) ## Description An educational application for learning about the National e-Invoice System (KSeF) in Poland. A comprehensive tool preparing students for working with the KSeF system in accordance with Ministry of Finance documentation.

APPLICATION FEATURES:

Interactive Quizzes
Over 70 test questions testing knowledge of the KSeF. Questions are based on official Ministry of Finance documents. Scoring system and explanations for each answer.

Word Puzzles
Interactive tasks for completing definitions from KSeF textbooks. Over 30 puzzles with key terms and definitions of the system.

Certification Exam Simulation (Premium)
A full 60-question test assessing readiness for working with the KSeF. Time: 60 minutes. Required score: 80% (48/60 points). After passing the exam, you can generate a personalized PDF certificate.

Knowledge Topics
Comprehensive lessons on KSeF, including:
- Structure of a Structured Invoice (FA(2))
- KSeF Implementation Schedule
- Invoicing Rules
- Integration with Accounting Systems
- Certificates and Authentication

XML Invoice Simulation
A tool for creating sample invoices in XML format compliant with the FA(2) structure. Document structure visualization.

Calculator and Converter
Supporting tools for calculating and converting invoicing data.

LOGIN AND SYNCHRONIZATION:

Logging in with Google ensures progress is synchronized across devices. All data is securely stored in the Firebase cloud.

PREMIUM FEATURES:

Unlimited access to all quizzes and puzzles. A certification exam simulation. Generate a personalized PDF certificate. No ads.

FOR WHOM:

The application is intended for:

- Accountants and invoicing specialists
- Programmers integrating systems with the National e-Invoice System
- Students and individuals preparing for exams
- Companies implementing the National e-Invoice System
- Anyone interested in learning about the National e-Invoicing System

KNOWLEDGE SOURCES - OFFICIAL LINKS TO OFFICIAL INFORMATION:

All information in the application is based on official documents from the Ministry of Finance. Below are direct links to the original official sources:

• KSeF home page: https://ksef.podatki.gov.pl/
• KSeF 2.0 API documentation: https://www.gov.pl/web/finanse/publikacja-dokumentacji-api-ksef-20-oraz-struktury-logicznej-fa3
• Implementing regulations: https://www.gov.pl/web/finanse/rozporzadzenia-wykonawcze-do-krajowego-systemu-e-faktur
• KSeF FAQ: https://ksef-gov.pl/

IMPORTANT DISCLAIMER:

The "KSeF - It's Simple!" application does NOT represent a state institution or the Ministry of Finance. It is an independent educational project. The application is for educational purposes only and does not constitute legal or tax advice. ## Rankings - #1,533,185 — Overall ## Similar extensions and apps - [Ewidencja Faktur](https://chrome-stats.com/d/pl.ewidencjafaktur.mobile) — 43 users - [Kwalifikacje zawodowe](https://chrome-stats.com/d/com.mfryc.kwalifikacjezawodowe) — 1,534 users - [KSeF Partner](https://chrome-stats.com/d/pl.ksefpartner) — 1,976 users - [IFIRMA KSeF Accounting&Invoice](https://chrome-stats.com/d/pl.ifirma.ifirmafaktury) — 164,042 users - [AutomatKSeF - NIP, VIES, KSeF](https://chrome-stats.com/d/pl.automatksef.app) - [Desta - Twoje Faktury](https://chrome-stats.com/d/com.desta.mobile) — 3 users - [Quisek](https://chrome-stats.com/d/com.zgorewski95.Quisek) - [CKZPD](https://chrome-stats.com/d/appinventor.ai_GrzegorzDut.CKZPD_1_00) — 214 users - [Symulmed](https://chrome-stats.com/d/com.symulmed.paramedic) — 1,024 users - [Egzamin LEK](https://chrome-stats.com/d/com.mikolajroszkowski.egzaminlek) — 33,586 users --- Source: [Chrome-Stats](https://chrome-stats.com/d/pl.ksef.edumaster)