“Toos” is the most comprehensive app presenting the ziyarah of Imam Reza in two languages: Arabic and Persian. 

Some of the features and capabilities of the "Toos" include:

• Categorization of the deeds, 
  
• Content refrences,  
  
• Switching from footnote to the text and vice versa,
  
• Searching all indexes,
  
• Changing the font size,
  
• Ability to change the color of the user interface,
  
• Creating favorite list, 
  
• Ability to change the language from Arabic to Persian and vice versa,
  
• Photo gallery of the shrines of Imam Reza and Fatima Masoumeh (Peace be upon them),
  
• Ability to invite friends