Pui Chi Communications vs RainbowSky
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pui Chi Communications
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Tseung Kwan O Pui Chi School is located at Tseung Kwan O. We provide quality education for students with moderate mental retardation. We aim at cultivating students’ integrated personality and balanced development of five way of life—moral, intellectual, physical, social and aesthetic We also focus on training children to develop their potential and self-care skills in order to promote their integration into the community. Our School hold different types of activities annually, such as Sports Day, Christmas Party and Parent-Teacher Association(PTA) Parent-Child Tour.
RainbowSky
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Your e-books, your pedagogy. Cater your student's need. RainbowOne lets you create your own e-Learning materials and hold a truly interactive and engaging e-lesson. E-books can be easily created and adjusted freely to suit your needs. Our interactive e-lesson equipped with functions which helps you to save time. Exercises can be auto-corrected, and the learning data are analyzed to let you know more about your students’ ability. And the most important is, it is fun! Innovative e-Book Editor: Total Design Freedom We offer 80+ comprehensive tool and 10000+ images for you to tailor-make your e-books. You can start with a free canvas or choose from our templates. With easy drag and drop you can customize anything. Cross-platform lesson: Interact with your students Lesson can be held in a cross-platform environment. You can group your students and hold a competition, voting or discussion. We also provide page-sync, black-out screen and other functions that helps you manage your class. Instant Charts: Know your students well All questions with pre-set answers are instantly corrected. Learning data are automatically collected and analyzed. You can easily find out the learning difficulties of your students. Bookstore with editable e-books Share your knowledge! Here we have a bookstore for you to share your materials in public, and you can read the e-books from the bookstore to get some inspiration, or even download and edit it to suit your needs.
Screenshots
Verdict
The clearest difference is update cadence: RainbowSky at every 2 weeks against Pui Chi Communications's every 2 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.
Pui Chi Communications ships an update every 2 months, RainbowSky every 2 weeks. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.
| Parameter | Pui Chi Communications | RainbowSky |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 41 MB | 292 MB |
| Age rating | 4+ | 4+ |
| Developer | Tseung Kwan O Pui Chi School | Open Knowledge Association Ltd. |
In-app purchases
Pui Chi Communications
No in-app purchases
RainbowSky
No in-app purchases
Questions
Is Pui Chi Communications free?
Is RainbowSky free?
Do Pui Chi Communications or RainbowSky have ads?
Which is updated more often, Pui Chi Communications or RainbowSky?
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