WRK | World Knowledge vs CAS Mock Interview
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
WRK | World Knowledge
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Learning IATA airport codes and their location in the world, is a big part of the lessons World Knowledge (WRK) at MBO College Airport. The app is built to help you study and prepare for the tests.
CAS Mock Interview
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CAS Mock Interview helps international students prepare for the UK student visa credibility interview with realistic, AI-powered practice tailored to their own application. Instead of generic question lists, the app builds your mock interview around your actual CAS details โ your course, your university, and your study plans โ so every question reflects what you could genuinely be asked. Practise as many times as you need, in a calm, pressure-free environment, until you feel confident and ready. WHY PRACTISE WITH CAS MOCK INTERVIEW Personalised questions Questions are generated from your own course, and university details, so your practice mirrors a real credibility interview rather than a one-size-fits-all script. AI-powered feedback Get instant, intelligent feedback on every answer. Understand what worked, what was missing, and how to make your responses clearer, more credible, and more convincing. Answer scoring See how strong each response is with clear scoring, so you know exactly which answers are interview-ready and which ones need more work. WHO IT'S FOR CAS Mock Interview is built for international students preparing to study in the UK who want to feel genuinely ready for their visa credibility interview โ whether you're just starting to prepare or doing a final confidence check before the big day.
Screenshots
Verdict
WRK | World Knowledge and CAS Mock Interview are too close to call on the numbers: across 5 compared parameters โ price, ads, in-app purchases and device support among them โ neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | WRK | World Knowledge | CAS Mock Interview |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 26 months | โ |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 | 13.0 โ better |
| Further details โ not scored | ||
| Size | 478 MB | 25 MB |
| Age rating | 17+ | 4+ |
| Developer | Ilonka Rebergen | OUTLEAP TECHNOLOGIES PRIVATE LIMITED |
In-app purchases
WRK | World Knowledge
No in-app purchases
CAS Mock Interview
No in-app purchases
Questions
Is WRK | World Knowledge free?
Is CAS Mock Interview free?
Do WRK | World Knowledge or CAS Mock Interview have ads?
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