Kiddy Great vs PMI Study Hall
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Kiddy Great
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Kiddy Great was set up by a group of parents with young kids. We came from different background, such as IT, Education, Engineering, Marketing, MICE, Administration etc. We came together because of the same purpose, which is to nurture and raise our kids to be happy and healthy. We believe every kid is great as long as parents choose suitable approaches and resources for them. Kiddy Great is built based on this objective. It is a comprehensive information hub and consultancy platform of educational resources for kids from 0 to 18 years old and their parents. Based on the characteristic of every kid, Kiddy Great will recommend most suitable resources to parents. Kiddy Great is also the first in the world introduce the Child Development Management System (CDMS), which is a resourceful parenting community includes comprehensive educational tools, information and resources customized for every parent.
PMI Study Hall
This app serves as a supplementary learning tool to help users stay informed, focused, engaged, and motivated on their journey to obtaining the PMP certification. It is designed to support your preparation for the PMP exam.
- PMP certification preparation
- Supplementary learning tool
- Focus and motivation
- Engagement features
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PMI Study Hall® is a digital learning companion designed to help you prepare for PMI certification exams. It combines learning refreshers, case studies, practice questions and simulation exams to help you understand what to expect on exam day. PMI Study Hall® also includes gamified activities, progress tracking and study tools designed to help you stay motivated, focused and confident throughout your exam preparation. IMPORTANT: To use this app, you must have access to a PMI Study Hall® plan and sign in with your myPMI credentials.
Screenshots
Verdict
The clearest difference is update cadence: Kiddy Great at every 3 weeks against PMI Study Hall's every 2 months. Kiddy Great also leads on iOS requirement (12.0 vs 17.6). 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.
Kiddy Great ships an update every 3 weeks, PMI Study Hall every 2 months. The most recent releases landed on October 25, 2026 and October 21, 2026 respectively.
| Parameter | Kiddy Great | PMI Study Hall |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.4 (16 ratings) — better |
| Positive reviews | — | 25.8% of reviews |
| Number of ratings | — | 16 — better |
| Update frequency | Every 3 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 10 MB | 183 MB |
| Age rating | 4+ | 17+ |
| Developer | WILINK INTERNATIONAL | PROJECT MANAGEMENT INSTITUTE, INC |
Bugs and requests
Kiddy Great
Not enough reviews yet to summarise bugs or requests.
PMI Study Hall
Reported bugs
15 issues- Google Sign-In returns Error 403: disallowed_useragent
- App stuck on loading screen indefinitely
- Session expires frequently, requiring re-login each time app opens
- Courses purchased on website don't appear in app
- Touch input selects wrong answer (selecting B registers as A)
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- App crashes or becomes unresponsive
- Mixed Japanese and English text throughout content
- Progress and practice history lost on re-login
- Flashcards restart from beginning each time
- Question of the day feature fails to load
- White blank page after login
- App not compatible with iOS despite being available on App Store
- Duplicate questions appearing in practice exams
- Incorrect answers provided for practice questions
- App doesn't display purchased courses
Requested features
11 requests- Fix Google SSO authentication to comply with Google security policies
- Implement persistent login with biometric authentication (FaceID)
- Add language selection/toggle to remove unwanted content
- Allow selective category/section reset instead of full reset
- Improve app responsiveness and loading speed
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- Add ability to create custom practice question lists
- Implement offline mode for studying without internet
- Add settings menu for content preferences
- Improve touch input accuracy for answer selection
- Add dark mode option
- Provide better customer support channels
In-app purchases
Kiddy Great
No in-app purchases
PMI Study Hall
No in-app purchases
Questions
Is Kiddy Great free?
Is PMI Study Hall free?
Do Kiddy Great or PMI Study Hall have ads?
Which is updated more often, Kiddy Great or PMI Study Hall?
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