Comparison

Math King vs eReadBook

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

Head to head
About

Math King

Features
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Help your child develop early math skills. Teaching math through play assists them to develop basic math skills. Learning basic math skills early on will help your child build a foundation for more complex math Many people find math problems difficult or complex because they don’t receive proper mathematics education during their childhood. Lack of math knowledge can even affect cognitive development in other areas of life. Children who have a strong mathematics education can make a better sense of life. That’s why it is crucial to develop a basic math foundation in an early year. To make math learning enjoyable and fun for children, we designed kids' math games for active learning. Kids math: fun math games is free math games for kindergarten to learn counting, addition, subtraction, compare numbers and arrangement in a fun way Cute Features of Kids Math: Fun Math Games – Counting Games: Colorful children’s counting games to teach preschool kids to count object – Compare Numbers: Develop both counting and comparing skills in your child to practice greater than, less than, and equal drills – Arrange in Ascending Order: Fun number arrangement game to build count skills and numeracy skills in your children – Arrange in Descending Order: Children can easily arrange numbers to see which item is smaller or bigger – Addition Games: Interactive addition games for kindergarten to learn math addition – Subtraction Games: Fun subtraction games for kindergarten to understand how to subtract the number – Fun Math Quiz: Master basic math skills simply by practicing children’s math puzzles Why should you download our Kids Math: Fun Math Games app for your children? β†’ A most interactive and fun way to teach basic math skills to your kids β†’ Montessori style learning to learn math fast β†’ Children friendly user interface to make math learning fun and effective β†’ Math quiz to improve kids’ basic mathematical skills β†’ Simple, easy, and fun kids math game to build a strong math foundation and confidence β†’ Easy navigation through the app & fun interactive content for math learning Why is math important in early years? ~ Mathematics plays a major role in a child’s development ~ It helps kids make sense of the world around them ~ Early math skills are one of the best predictor of later success ~ It helps kids to develop critical thinking and reasoning skills ~ Teaches life skill and support continuing education and careers ~ Improve problem-solving skills and analytical skills Educational Games in Kids Math: Fun Math Games – Counting games for kindergarten to learn to count – Simple addition for preschooler – Subtraction games for kindergarten to understand subtraction – Number arrangement game: Ascending and Descending – Compare Numbers - Greater than & Less than – Math Quiz to practice different math puzzle For your kids, Teaching mathematics in the early years is more crucial to develop many important skills in later life. We developed Kids Maths: Fun Math Games in such a way that it helps your child to develop basic math skills while ensuring a fun Learning mathematics through games is the best way to develop basic math skills in children, toddlers, and infants. Download Kids Math: Fun Math Games and make math learning fun and effective for your Kids Don’t forget to share your best experience with us through rate and review

About

eReadBook

Features
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This APP is designed to be used in conjunction with Easy-readbook smart audio pens and audio books. It supports interactive programming learning through connections to the smart audio pens and audio books.

Screenshots

Math King4 screens
eReadBook4 screens

Verdict

The call

The clearest difference is in-app purchases: eReadBook at none against Math King's 1. eReadBook also leads on iOS requirement (10.0 vs 15.0). Math King's advantage is update cadence (every 2 months vs every 10 months). On price, ads and device support 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. Math King sells 1 one-off in-app purchase. eReadBook asks for nothing beyond the download.

UpkeepUpdate frequency

Math King ships an update every 2 months, eReadBook every 10 months. The most recent releases landed on April 26, 2026 and September 15, 2026 respectively.

Scorecard3 real differences Β· 3 level
Math King versus eReadBook: the parameters behind the verdict, then further details
ParameterMath KingeReadBook
PriceFreeFree
Update frequencyEvery 2 months β€” betterEvery 10 months
AdsNoNo
In-app purchasesYesNo β€” better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.010.0 β€” better
Further details β€” not scored
Size69 MB1.5 GB
Age rating4+4+
DeveloperSadgun InfotechGuangzhou Childhood Technology Co.,Ltd

In-app purchases

1 purchases

Math King

One-time1
  • Remove Ads$1.99
None

eReadBook

No in-app purchases

Questions

Is Math King free?
Math King is free to download, with in-app purchases available.
Is eReadBook free?
eReadBook is free to download, with no in-app purchases.
Do Math King or eReadBook have ads?
Neither Math King nor eReadBook shows ads.
Which is updated more often, Math King or eReadBook?
Math King ships an update every 2 months, and eReadBook every 10 months. Most recently, Math King was updated on April 26, 2026 and eReadBook on September 15, 2026.

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