Comparison

MERS Fun Reading vs RainbowSky

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

MERS Fun Reading

This app offers a collection of downloadable electronic storybooks for offline reading. It features narration in Cantonese, Putonghua, and English, with interactive drawing tools and word highlighting to enhance learning and creativity for young readers.

Highlights
  • Offline electronic storybooks
  • Cantonese, Putonghua, and English narration
  • Interactive drawing tools
  • Word highlighting during narration
  • Extensive story variety
Features
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MERS Fun Reading ((ONLY available for existing clients) Features - Stories are narrated in Cantonese and Putonghua, some are in English as well. - Electronic storybooks can be downloaded and read offline. - An extensive variety of stories are available including fables and tales, moral stories and general studies reading material. - Drawing tools are incorporated to help develop children’s creativity, and Words are highlighted as they are read.

About

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

RainbowSky4 screens

Verdict

The call

The clearest difference is update cadence: RainbowSky at every 2 weeks against MERS Fun Reading's every 5 months. RainbowSky also leads on device support (3 vs 1). MERS Fun Reading's advantage is iOS requirement (10.0 vs 12.0). On price, ads and in-app purchases there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

MERS Fun Reading ships an update every 5 months, RainbowSky every 2 weeks. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

Scorecard3 real differences Β· 5 level
MERS Fun Reading versus RainbowSky: the parameters behind the verdict, then further details
ParameterMERS Fun ReadingRainbowSky
PriceFreeFree
Positive reviews50.0% of reviewsβ€”
Update frequencyEvery 5 monthsEvery 2 weeks β€” better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeβ€”
DevicesiPadiPhone, iPad, iPod β€” better
Requires iOS10.0 β€” better12.0
Further details β€” not scored
Size48 MB292 MB
Age rating4+4+
DeveloperModern Educational Research Society, LTDOpen Knowledge Association Ltd.

In-app purchases

None

MERS Fun Reading

No in-app purchases

None

RainbowSky

No in-app purchases

Questions

Is MERS Fun Reading free?
MERS Fun Reading is free to download, with no in-app purchases.
Is RainbowSky free?
RainbowSky is free to download, with no in-app purchases.
Do MERS Fun Reading or RainbowSky have ads?
Neither MERS Fun Reading nor RainbowSky shows ads.
Which is updated more often, MERS Fun Reading or RainbowSky?
MERS Fun Reading ships an update every 5 months, and RainbowSky every 2 weeks. Most recently, MERS Fun Reading was updated on November 1, 2026 and RainbowSky on October 31, 2026.

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