Comparison

King of Math vs Mental Arithmetic Math

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

Head to head
About

King of Math

Sharpen your mental math skills with this engaging game suitable for all ages. Progress through ranks by solving diverse math problems, earn achievements, and compete globally. It's a fun way to practice math for both kids and adults.

Highlights
  • Mental math practice
  • Diverse question types
  • Rank progression system
  • Achievements and leaderboards
  • Suitable for family play
Features
Read full description

Level up your math skills and become the King of Math! King of Math is a fun and fast-paced game for the whole family. The math level is about Middle school math (Grades 6–8), but the game suits anyone who wants to practice and improve their mental math — kids and adults alike. Start as a farmer and climb the ranks by solving math problems and improving your score. Challenge yourself with diverse question types, earn achievements, and compete on global leaderboards! Features: - Fun for both children and adults – perfect for family play - Improve your mental math speed with a variety of challenges - Collect stars, achievements, and compete on leaderboards - Free to get started with addition and subtraction – unlock all content with a one-time purchase Note for schools: A School Edition is also available, with all content unlocked and no in-app purchases ("King of Math: School Ed"). User comments: "I am pleasantly surprised at the different types of questions and how interesting this game is." - York HS math teacher “It will have you sharpening up your mental math skills without you even realizing it.” - The iPhone Mom "As a lifetime mathematician and a math tutor and teacher of over 20 years this is one of the most engaging ways to review math skills that I have ever seen." - App Store review

About

Mental Arithmetic Math

Engage in fun arithmetic challenges suitable for all ages. Improve your math skills and concentration with adjustable difficulty levels. Play solo or with friends, even offline, for a quick and enjoyable brain workout.

Highlights
  • Arithmetic challenges
  • Adjustable difficulty
  • Suitable for all ages
  • Play with friends
  • Offline play
  • Improves concentration
Features
Read full description

■ Application Features Have a great time playing with family and friends. Become skilled at arithmetic, useful for your mathematical studies. Play with a difficulty that matches your level. Enjoyable for all ages. Even playing for a short amount of time can be a lot of fun! You can also play offline. Increase your ability to concentrate through brain activation.

Screenshots

King of Math4 screens
Mental Arithmetic Math4 screens

Verdict

The call

The clearest difference is in-app purchases: Mental Arithmetic Math at none against King of Math's 1. King of Math's advantage is ads (none vs shown) and rating (4.7 vs 4.4). On price, review sentiment, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. King of Math sells 1 one-off in-app purchase. Mental Arithmetic Math asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

King of Math holds the better App Store score, 4.7 against 4.4. That said, the two scores are not equally well evidenced: King of Math has 3.1K ratings behind it against 90, so its average is the more settled of the two. Written reviews split almost evenly too, at 90% and 90% positive.

UpkeepUpdate frequency

King of Math ships an update every 3 weeks, Mental Arithmetic Math every 2 months. The most recent releases landed on October 23, 2026 and October 15, 2026 respectively.

Scorecard6 real differences · 4 level
King of Math versus Mental Arithmetic Math: the parameters behind the verdict, then further details
ParameterKing of MathMental Arithmetic Math
PriceFreeFree
Rating4.7 (3.1K ratings) — better4.4 (90 ratings)
Positive reviews89.6% of reviews90.0% of reviews — better
Number of ratings3.1K — better90
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size170 MB105 MB
Age rating4+4+
DeveloperOddrobo Software ABSatoshi Konno

Customer experience

King of Math

All ratings3,092 ratings
Positive93.4%
Neutral3.8%
Negative2.8%
Written reviews405 reviews
Positive89.6%
Neutral4.0%
Negative6.4%

Mental Arithmetic Math

All ratings85 ratings
Positive83.5%
Neutral5.9%
Negative10.6%
Written reviews70 reviews
Positive90.0%
Neutral1.4%
Negative8.6%

Bugs and requests

King of Math

Reported bugs

2 issues
  • Lost progress and purchases when reinstalling
  • Keyboard blocking UI elements

Requested features

5 requests
  • More advanced math topics
  • Ability to review wrong answers
  • Difficulty settings or modes
  • More levels and books to progress through
  • Explanations or examples for harder questions

Mental Arithmetic Math

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

King of Math

One-time1
  • Full Game$3.99
None

Mental Arithmetic Math

No in-app purchases

Questions

Is King of Math free?
King of Math is free to download, with in-app purchases available.
Is Mental Arithmetic Math free?
Mental Arithmetic Math is free to download, with no in-app purchases.
Which has better reviews, King of Math or Mental Arithmetic Math?
King of Math is rated higher. King of Math averages 4.7 out of 5 from 3.1K ratings, while Mental Arithmetic Math averages 4.4 from 90 ratings.
Do King of Math or Mental Arithmetic Math have ads?
Mental Arithmetic Math shows ads; King of Math does not.
Which is updated more often, King of Math or Mental Arithmetic Math?
King of Math ships an update every 3 weeks, and Mental Arithmetic Math every 2 months. Most recently, King of Math was updated on October 23, 2026 and Mental Arithmetic Math on October 15, 2026.

Other comparisons