NIE Library vs Challenger App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NIE Library
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LibGO! is created for NIE Library members to access library services and information anytime, anywhere at their convenience. NIE Library members can search the catalogue, access E-Resources, access their library accounts, renew loans, reserve materials, check out events and announcements as well as submit forms. The use of the application is governed by NIE's privacy policy.
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!!
Screenshots
Verdict
The clearest difference is update cadence: Challenger App at every 5 months against NIE Library's every 21 months. NIE Library's advantage is iOS requirement (13.4 vs 16.6). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
NIE Library ships an update every 21 months, Challenger App every 5 months. The most recent releases landed on October 1, 2026 and October 10, 2026 respectively.
| Parameter | NIE Library | Challenger App |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | — | 75.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 21 months | Every 5 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.4 — better | 16.6 |
| Further details — not scored | ||
| Size | 32 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | National Institute of Education (NIE) Singapore | Reubro International |
In-app purchases
NIE Library
No in-app purchases
Challenger App
No in-app purchases
