Hector - Helyesírás-ellenőrző is a free Android application developed by Hector Alkalmazások. It is a writing assistant designed to help users check their writing for spelling and grammar errors. The app provides an automatic reviewer that supervises full texts, as well as the ability to copy and paste text for review.

With Hector, users can easily improve the quality of their writing for various purposes, such as business letters, school assignments, blog posts, and language learning. The app requires an internet connection to check texts using its up-to-date database.

Overall, Hector - Helyesírás-ellenőrző is a versatile tool that can help users improve their writing skills and avoid spelling and grammar mistakes. Its user-friendly interface and up-to-date database make it a reliable and efficient writing assistant for Android users.