Khalis
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Hold on to what you learn

Memorise mode hides what you are learning, so you recite first and check after. A revision schedule and a short quiz bring each verse back, and your record is kept on your phone.

  • 7revision steps, 1 to 120 days
  • 4ways to quiz yourself
  • 1,550verses marked as easily confused
Memorise mode on Al-Fatihah in Khalis. Under the surah’s title are the Listen, English on, Tajweed and Memorise switches, with English, Tajweed and Memorise turned on, and the tajweed colour key beneath them. A card reads ‘Recite from memory, then check’, with Hide verses chosen. Verse 1 shows only its first word in Arabic, followed by ‘tap to reveal’.
Memorise mode on Al-Fatihah
How it works

Learn a verse, then keep it

When you first open Memorisation, Khalis explains itself in four steps. These are its own words.

  1. Read and listen

    Open a surah, play the recitation, and repeat a verse until it feels familiar.

  2. Recite from memory

    Turn on Memorise. Each verse hides behind its first word. Recite it, reveal it, and say whether you had it.

  3. Mark what you know

    Tap Memorised on verses you know. They come back for revision tomorrow, then after 3, 7, 14, 30, 60 and 120 days.

  4. Revise a little each day

    Due verses wait in the quiz. Any you miss come back the next day, marked weak.

Start with a short surah Khalis offers five to begin with: Al-Fatihah, Al-Ikhlas, Al-Falaq, An-Nas and Al-’Asr.

Memorise mode

Recite first, then look

Memorise is a switch at the top of each surah, beside Listen, English and Tajweed. Turn it on and the surah becomes a place to test yourself.

  • Hide verses. Each verse keeps its first word as a cue. Recite the rest, then reveal it.
  • Hide words. Every word is hidden. Tap a word to peek at it. Once you have peeked, you can show the whole verse.
  • Did you have it? Once you look, answer Had it or Missed it. Your answer sets when the verse comes back.
  • Weak and Memorised. Two buttons under each verse, to mark it yourself.
  • The English stays hidden too, until the verse is shown.
  • Each session is noted. While Memorise is on, Khalis keeps the time spent, the verses you went through, and how many you had. Under ten seconds with nothing answered isn’t counted.
الفاتحة Al-Fatihah The Opening · Surah 1 · 7 verses
Try it here

Memorise mode, on this page

The seven verses of Al-Fatihah, as Khalis shows them.

  1. بِسْمِ ٱللَّهِ ٱلرَّحْمَٰنِ ٱلرَّحِيمِ

    1

    In the name of Allah, the Beneficent, the Merciful.

  2. ٱلْحَمْدُ لِلَّهِ رَبِّ ٱلْعَٰلَمِينَ

    2

    Praise be to Allah, Lord of the Worlds,

  3. ٱلرَّحْمَٰنِ ٱلرَّحِيمِ

    3

    The Beneficent, the Merciful.

  4. مَٰلِكِ يَوْمِ ٱلدِّينِ

    4

    Master of the Day of Judgment,

  5. إِيَّاكَ نَعْبُدُ وَإِيَّاكَ نَسْتَعِينُ

    5

    Thee (alone) we worship; Thee (alone) we ask for help.

  6. ٱهْدِنَا ٱلصِّرَٰطَ ٱلْمُسْتَقِيمَ

    6

    Show us the straight path,

  7. صِرَٰطَ ٱلَّذِينَ أَنْعَمْتَ عَلَيْهِمْ غَيْرِ ٱلْمَغْضُوبِ عَلَيْهِمْ وَلَا ٱلضَّآلِّينَ

    7

    The path of those whom Thou hast favoured; Not the (path) of those who earn Thine anger nor of those who go astray.

Arabic text: Tanzil Project (Uthmani, CC BY 3.0). English: Marmaduke Pickthall. Nothing you do here is saved or sent.

Revision

A gap that grows each time you remember

Mark a verse memorised and it goes on a schedule. Each time you recall it, the wait before the next revision grows, up to 120 days. Miss it, and it starts again.

Follow one verse

From the day you mark it

137143060120 Days until a memorised verse comes back.
  • Mark it

    Tap Memorised on a verse and its first revision is tomorrow.

  • Recall it

    The wait grows: 3 days, then 7, 14, 30, 60 and 120. After that, it comes back every 120 days.

  • Miss it

    It comes back tomorrow, marked weak, and climbs from the first step again. Recalling it later clears the mark.

  • Any verse

    Saying how a verse went puts it on the schedule, in Memorise mode or the quiz, even if you haven’t marked it memorised.

  • Running late

    A verse you don’t get to stays due until you revise it.

Each day

What’s due, and a nudge if you want one

A verse is due once its day has come. Khalis shows how many on the Memorisation card in the Quran tab, and at the top of the Memorisation screen, where one tap starts the quiz on them.

  • The reminder is off until you turn on Remind me to revise, under Revision reminder.
  • At an hour you choose, from 05:00 to 23:00. It starts at 20:00, or 8 pm with the 12-hour clock.
  • Only when verses are due by then, and it says how many.
  • Tap it and the quiz opens on today’s due verses.
  • It is planned again whenever Khalis opens or the schedule changes, so the count stays current. Khalis asks for permission to send notifications when you turn it on.
Revision · Khalis20:00 5 verses are due for revision. A few minutes keeps them strong.
Due today5 verses to revise
Start ›
The reminder and the Due today card, in the app’s own words. The count of five is an example.
Recall quiz

What comes next?

The quiz shows you a verse and asks for the one after it. At the start of a surah, it gives the surah’s name and asks for its first verse. Recite, show the verse, and say whether you had it.

  • Due

    The verses whose day has come. The quiz opens here when any are due.

  • Weak

    The verses you missed, or marked weak yourself.

  • Memorised

    Every verse you have marked memorised.

  • Surah

    Any of the 114 surahs, with all its verses in one round.

Due and weak verses come first, shuffled together, then the rest, each in a fresh random order. At the end of a round you see how many you recalled and missed, and the ones you missed come back tomorrow.

Try it here

A round on Al-Ikhlas

بِسْمِ ٱللَّهِ ٱلرَّحْمَٰنِ ٱلرَّحِيمِ

  1. قُلْ هُوَ ٱللَّهُ أَحَدٌ

  2. ٱللَّهُ ٱلصَّمَدُ

  3. لَمْ يَلِدْ وَلَمْ يُولَدْ

  4. وَلَمْ يَكُن لَّهُۥ كُفُوًا أَحَدٌۢ

Arabic text: Tanzil Project (Uthmani, CC BY 3.0). Nothing you do here is saved or sent.

Progress

A small goal, and a quiet record

Memorisation has its own screen, a tap from the card near the top of the Quran tab. It keeps the day’s goal, your counts and your recent sessions in one place.

  • A daily goal of verses to check, from 5 to 100, and minutes of practice, from 5 to 120, each in steps of five. Both are off until you set one.
  • Today, with a bar for verses checked and a bar for minutes, against your goal.
  • Three counts: days in a row, verses memorised and weak verses. Any day with practice keeps the run going, and today doesn’t break it before it’s over.
  • The last 7 days, as the minutes you practised each day, with the share of verses you recalled over the last 30 days.
  • Recent sessions: the latest 20, each with the surah and verses, the date, the time spent, and how many you recalled and missed. Quiz rounds are marked Quiz.
  • Revise your weak verses: when you have any, a card starts a quiz on them.
The Memorisation screen in Khalis. A Today card suggests setting a small daily goal and has two buttons, Memorise Al-Ikhlas and Quiz yourself. Below it are three counts: 1 day in a row, 1 verse memorised and 0 weak verses. A Last 7 days chart shows 1 minute today and ‘50% recalled this month’. The daily goal for verses and minutes is Off.
Memorisation: today, your counts and the goal. Memorise Al-Ikhlas opens at the verse you last read.
Easily confused verses

Look-alike verses, edged in gold

Some verses share most of their words with another, and it is easy to slip from one into the other. In Memorise mode, Khalis marks them with a gold edge and lists the verses they resemble.

  • 1,550 verses have at least one look-alike listed.
  • Similar to: under the verse, up to six references, each a tap away.
  • Only in Memorise mode, so ordinary reading stays plain.

The list is Quran Mutashabihat Data by Waqar144, from the work of the late Qari Idrees Al Asim, in the public domain (CC0). Its author notes that it is not exhaustive.

Al-Baqarah 2:48

وَٱتَّقُوا۟ يَوْمًا لَّا تَجْزِى نَفْسٌ عَن نَّفْسٍ شَيْـًٔا وَلَا يُقْبَلُ مِنْهَا شَفَٰعَةٌ وَلَا يُؤْخَذُ مِنْهَا عَدْلٌ وَلَا هُمْ يُنصَرُونَ

And guard yourselves against a day when no soul will in aught avail another, nor will intercession be accepted from it, nor will compensation be received from it, nor will they be helped.

Similar to 2:123

Al-Baqarah 2:123

وَٱتَّقُوا۟ يَوْمًا لَّا تَجْزِى نَفْسٌ عَن نَّفْسٍ شَيْـًٔا وَلَا يُقْبَلُ مِنْهَا عَدْلٌ وَلَا تَنفَعُهَا شَفَٰعَةٌ وَلَا هُمْ يُنصَرُونَ

And guard (yourselves) against a day when no soul will in aught avail another, nor will compensation be accepted from it, nor will intercession be of use to it; nor will they be helped.

Similar to 2:48

Two verses the list pairs, as they read in Khalis. The highlighting, which marks the words that differ or change places, is on this page only. Pickthall’s English beneath each.
Your record

Yours, and on your phone

On your phoneWhat you mark, the schedule, your goal and your sessions are kept on the phone. There is no account.
In your backupA backup file carries all of it to a new phone, along with your settings and other records.
iCloud sync, if you want itIn the iPhone app you can turn on iCloud sync to keep a copy on your other Apple devices. It is off until you do.
FreeMemorise mode, the schedule, the quiz and the reminder, with no premium version. What it costs

Quran text: Uthmani script from the Tanzil Project, used verbatim under CC BY 3.0. English: Marmaduke Pickthall, The Meaning of the Glorious Koran (1930), via Tanzil. Similar verses: Quran Mutashabihat Data by Waqar144 (CC0). All sources and credits