504 English Words to know
Privacy Policy

this app use to learn 504 essensial english words

"504 words" does not collect any personal from users. This app is a safe and secure environment that family members of all ages can enjoy.

this app is free and it is designed based on "504 Absolutely Essential Words" books.

Intellectual Property and Ownership

Smart IOT Control shall at all times retain ownership of the Software as originally downloaded by you and all subsequent downloads of the Software by you. The Software (and the copyright, and other intellectual property rights of whatever nature in the Software, including any modifications made thereto) are and shall remain the property of Smart IOT Control. Smart IOT Control reserves the right to grant licences to use the Software to third parties.

All ages from school to university can use this language learning app

This app is designed based on "504 Absolutely Essential Words" books.and use generally for all people that want to learn english.

Contact us
If you have any questions regarding privacy while using the Application, or have questions about our practices, please contact us via email at hamid.developer13@gmail.com.