A physical Quran is heavy. Your phone or tablet is with you all day. A PDF allows you to practice Tajweed during your commute, lunch break, or while waiting for an appointment.
For mobile users, the 15 Line Quran (Tajweedi) Color app by Taj Company is a popular choice for Android. 📖 How the Color Coding Works 15 Line Quran With Color Tajweed Pdf -FREE- Free Download