Challenger App vs KTET MASTER
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Challenger App
Test your knowledge with a quiz app featuring multiple categories and difficulty levels. Earn points for correct answers and track your progress with detailed score breakdowns. Share your achievements with friends.
- Multiple quiz categories
- Easy, medium, and hard difficulty levels
- Timed questions
- Point-based scoring system
- Detailed score breakdown with pie charts
- View recently played scores
- Share scores via email and Facebook
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Challenger is an iOS universal application for taking quiz based on different category such as general knowledge,technology, sports etc. You can select any category from the list and for each category there are three different levels easy, medium and hard.There will be a timer for each question. If you choose the correct answer you will get 10 points and the answer is wrong you will lose two points. You can see the final score and the full details of quiz with pie diagram in the score page. The recently played users score can also be seen in the score page. You can share your score to your friends via email or Facebook. Enjoy the quiz and update your knowledge.Cheers!!
KTET MASTER
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Explore our vast library of video lectures anytime, anywhere. Learn at your own pace without compromising on quality.
Screenshots
Verdict
The clearest difference is in-app purchases: Challenger App at none against KTET MASTER's 5. On price, update cadence, ads and device support 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. KTET MASTER sells 5 one-off in-app purchases. Challenger App asks for nothing beyond the download.
Challenger App ships an update every 5 months, KTET MASTER every 4 months. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.
| Parameter | Challenger App | KTET MASTER |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 5 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.6 | 16.6 |
| Further details — not scored | ||
| Size | 24 MB | 322 MB |
| Age rating | 4+ | 4+ |
| Developer | Reubro International | Mohammed Abdul Basith K |
In-app purchases
Challenger App
No in-app purchases
KTET MASTER
- K TET 2 SOCIAL SCIENCE$14.99
- K TET CATEGORY 1 MASTER CLASS$14.99
- K TET CATEGORY 2 - SCIENCE$14.99
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- K TET 1 + 2 SOCIAL SCIENCE$24.99
- K TET CATEGORY 1 + 2 SCIENCE$24.99








