دعای عهد is a free-of-cost app designed for Android users by ShamimSoft. It falls under the category of Education & Reference, specifically Books. The app is a collection of various duas and ziarats recited by renowned scholar Farhmand. The app offers a range of features such as smart scrolling, automatic movement of text with audio, and the ability to change the font size. The app also includes a translation of the duas in Persian, which can be displayed or removed from the screen as per user preference.

One of the most impressive features of the app is the smart pen, which allows users to touch any phrase and instantly hear it recited. The app also provides the option to recite duas and ziarats in the absence of an internet connection, making it a handy tool for travelers or those living in areas with limited connectivity. Overall, دعای عهد is an excellent app for those looking for a comprehensive collection of duas and ziarats with user-friendly features.