World's Key vs Aratc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
World's Key
This interactive educational app offers audio-visual lessons, exercises, and assessments for Kindergarten and Primary levels in English and Science. It complements printed books with online access for students.
- Audio-visual lessons
- Interactive exercises
- Assessments
- English language curriculum
- Science curriculum
- Kindergarten and Primary levels
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World's Key application is an interactive educational application for a set of curricula for Kindergarten and Primary Levels in the English language and Science. In our schools, each student receives and uses printed books in his/her class in addition to an online account to access the mentioned application. This application provides students with audio-visual lessons in addition to conducting interactive exercises and assessments to all lessons in both subjects- English and Science. There is no paid services or content. Each student at our schools has a passcode that allow him to access the App content (videos about the lesson and some additional exercises)
Aratc
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ARATC is the free learning app of ALRAWAD ALARAB Training Company. Download the app at no charge, create a free trainee account, and explore online training courses and programs. Discover free courses, watch lessons available to your account, save courses to My Learning, and continue your learning with progress tracking and course activities. Course access depends on each course and your enrolment. ARATC helps you learn at your own pace and keep your training organised in one place.
Screenshots
Verdict
The clearest difference is iOS requirement: Aratc at 15.0 against World's Key's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
World's Key ships an update every 8 days, Aratc every 9 days. Both last shipped on November 7, 2026.
| Parameter | World's Key | Aratc |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (323 ratings) — better | — |
| Positive reviews | 56.0% of reviews | — |
| Number of ratings | 323 — better | — |
| Update frequency | Every 8 days — better | Every 9 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 43 MB | 62 MB |
| Age rating | 4+ | 17+ |
| Developer | Mohammad Bzeih | Hayder Ali |
Bugs and requests
World's Key
Reported bugs
6 issues- App logs out when accessing videos
- App freezes and doesn't calculate views
- App has errors in exam time calculation
- App doesn't open
- App crashes when opening or solving lessons
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- App doesn't show views or solutions
Requested features
5 requests- Add video playback speed control
- Improve app's responsiveness and speed
- Continuous improvement and development of the app
- Fix bugs and glitches
- Update the app to be more modern
Aratc
Not enough reviews yet to summarise bugs or requests.
In-app purchases
World's Key
No in-app purchases
Aratc
No in-app purchases









