IIOE vs Silent Camera Study
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
IIOE
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The International Institute of Online Education (IIOE) initiative was jointly proposed by UNESCO International Center for Higher Education Innovation (UNESCO-ICHEI), its partner universities in developing countries in Africa, Asia and Latin America, and its partner enterprises and partner universities in China. IIOE is a platform to provide open education resources, and promote the popularization and quality improvement of higher education in developing countries through the joint construction and sharing of benefit mechanism. IIOE aims to improve teachers' ability to apply ICT in teaching and learning by providing high-quality online courses and professional development opportunities. At present, IIOE provides diversified learning services, including courses, training, webinars and other upcoming services.
Silent Camera Study
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College entrance exams, qualification exams, corporate learning ... What can be said in common to all This app is essential for getting satisfactory results. The usage of this app is as follows. 1. Solve the problem book as usual. 2. Use this app to take pictures of problems you mistaken and their answers with explanations. 3. Use this app to repeatedly learn only these questions. 4. Questions that cannot be answered disappear and you can pass any exam. 5. Based on brain science, questions are displayed in the cycle that is most memorable. 6. In addition, special secret functions support your learning. By using this app, the problems you cannot solve will disappear from the world. You can now pass 100% of all exams.
Screenshots
Verdict
The clearest difference is update cadence: Silent Camera Study at every 4 days against IIOE's every 3 months. 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.
IIOE ships an update every 3 months, Silent Camera Study every 4 days. The most recent releases landed on October 8, 2026 and October 9, 2026 respectively.
| Parameter | IIOE | Silent Camera Study |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 10.3 — better | 11.0 |
| Further details — not scored | ||
| Size | 211 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | International Centre for Higher Education Innovation under the auspices of UNESCO | Kuta Yushikai |
In-app purchases
IIOE
No in-app purchases
Silent Camera Study
No in-app purchases
Questions
Is IIOE free?
Is Silent Camera Study free?
Do IIOE or Silent Camera Study have ads?
Which is updated more often, IIOE or Silent Camera Study?
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