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RootMastery
كِتَابbook كَاتِبwriter, scribe كِتَابَةwriting
كتب
كَتَبَto write مَكْتُوبwritten, letter كَاتَبَto correspond with

Learn three letters. Unlock a family of words.

Almost every word in the Quran grows from a three-letter root. Learn the root and the words that come from it stop being strangers. RootMastery teaches 1,000+ of them through nine games and thirteen lessons.

Get it onGoogle Play Start free in your browser iPhone coming soon

How it works

Built for recall, not for browsing

Reading a word list once does very little. Everything here is built around retrieving a word from memory, then seeing it again exactly when you are about to forget it.

Nine games

Build conjugations, trace word families, spot roots in real ayat, and race a timer. Each one drills a different way of knowing a word.

Thirteen lessons

The root system, the ten verb forms, particles, and the derivation patterns — explained in plain English before you are asked to use them.

Daily review

Come back to the words about to slip

Learning a root once is the easy part. The app keeps a deck of what you are closest to forgetting, so five minutes a day does more than an hour once a month.

  • Twenty cards a session. Built from what is genuinely due today, not an arbitrary list.
  • Three ways in. What is due, your weakest roots, or browse the dictionary at your own pace.
  • Forgot, Good, or Easy. That one answer sets when the root comes back.
  • Star anything to keep it close, and practise the 99 Names as their own deck.
  • The timing adapts to you. Answer a root easily and it waits longer before returning. Struggle and it comes back tomorrow.
A flashcard mid-review, with Again, Good and Easy buttons

Inside the app

A dictionary, a lesson book, and a game console

Dashboard with the root of the day The nine learning games Playing a root game Building a verb conjugation A lesson on the root system Daily flashcard review The searchable root dictionary Achievements and progress

The data

Checked, and checked again

The vocabulary is built and maintained in-house, cross-checked against established scholarly sources for Quranic Arabic rather than typed out of a textbook. Where those sources disagree, the call is made against the Quran itself and written down.

  • Cross-checkedRoots, verb forms and meanings are verified against multiple trusted sources before anything ships.
  • Verified attestationEvery root carries an example verse confirmed to actually contain that root — not matched by keyword.
  • Revised, repeatedlyCorrections are documented with the rule applied and the evidence behind it, down to individual letters.
  • Corrected by readersSpot something wrong with a definition and flag it from the screen you saw it on. Reports are reviewed against the source and the fix ships to everyone.

It is the unglamorous half of the work, and it is why a word here can be trusted to mean what it says.

كِتَابٌ أَنزَلْنَاهُ إِلَيْكَ

“A Book We have revealed to you” — Surah Sad 38:29

Start with a seven-day trial

No card required. Works in the browser and on your phone with the same account.

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