4 Qul of holy Quran is a beautiful Islamic application for Muslims especially it is the gift for the holy month of Ramzan. Muslims from all over the world want to memorize and feel proud after learning these 4 Qul by heart. Basically these four / 4 Qul are the four chapters of the Quran. These 4 Qul are among the last 10 surahs of Holy Quran (Kuran). These Surahs of Quraan are Surah Al- Kafiroun, Al- Ikhlas, surah Al-Falaq and surah An-Nas. This application lets all Muslims around the world recite, narrate, and listen to the verses of 4/Quls and the translation of these chapters too.

There is no doubt that the full book of the Koran is a complete guide for its readers. But it is also important to note that the Quran has some chapters also which have more significance and it would not be exaggeration if one says that some chapters are the essence of the complete holy Qur'an. So, these 4 Qul are among those chapters of Quran (Muashaf).
There are following main features in this beautiful 4 Qul mobile phone application.

4 Qul of Quran is an Islamic Application which contains highly effective Four Holy Surahs of Al-Quran Majeed, i.e. Al-Kafirun, Al-Ikhlas, Al-Falaq and An-Nas. It lets Muslims all over the world recite and learn beautiful narration of these Sacred Chapters any time. It also comes up with Translation in Urdu attribute that makes the learning process easier.
Get this free and easily understandable Smartphone application of 4 Qul of Quran in order to benefit from learning and listening to recitation of one of the most blessed Chapters of the Holy Quran.

Al-Ikhlāṣ (ِArabic: الْإِخْلَاص, "Sincerity"), also known as al-Tawḥīd (Arabic: التوحيد‎, "Monotheism") is the 112th chapter (sūrah) of the Quran. This surah (surat / sorat) was among those to receive many different titles. It is a short declaration of tawhid (toheed), Allah's absolute oneness, consisting of four ayat. Al-Ikhlas means "the purity" or "the refining".

It is disputed whether this is a Meccan (makki) or Medinan (madni / madani) surah. The former seems more probable, particularly since it seems to have been alluded to by Bilal of Abyssinia, who, when he was being tortured by his cruel master, is said to have repeated "Ahad, Ahad!" (unique, referring here to God). It is reported from Ubayy ibn Ka'b that it was revealed after the polytheists asked "O Muhammad! Tell us the lineage of your Lord."

al-Falaq (Arabic: الفلق‎, "Dawn, Daybreak") is the 113th chapter (sūrah) of the Qur'an. It is a brief five verse invocation, asking God (Allah) for protection from the evil of Satan (shetan). This surah and the 114th (and last) surah in the Qur'an, an-Nās, are collectively referred to as al-Mu'awwidhatayn "the Refuges", as both begin with "I seek refuge", an-Nās tells to seek God for refuge from the evil from within, while al-Falaq tells to seek God for refuge from the evil from outside, so reading both of them would protect a person from his own mischief and the mischief of others.

Al-Nās (Arabic: الناس‎, romanized: An-Nās, "Mankind") is the 114th and last chapter (sūrah) of the Qur'an. It is a short six-verse invocation, asking God for protection from the Devil (Iblis). The chapter takes its name from the word "people" or "mankind" (al-nās), which recurs throughout the chapter. Together with the preceding chapter, Al-Falaq ("Daybreak"), they are known as "the Refuges" (Al-Mu'awwidhatayn); dealing with roughly the same theme, they form a natural pair.

Regarding the timing and contextual background of the supposed revelation (asbāb al-nuzūl), it is an earlier "Meccan surah", which means it is believed to have been revealed in Mecca, instead of later in Medina.

There is a Sunnah (Sunnat) tradition of reading this chapter for the sick or before sleeping.

Al-Kāfirūn (Arabic: الكافرون‎, "The Unbelievers") is the name of the 109th chapter (sūrah) of the Quran.