Comparison

Simple Flash Mental Arithmetic vs Number Place Class

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

Head to head
About

Simple Flash Mental Arithmetic

Practice mental math with this application. Choose from various difficulty levels to train your arithmetic skills or engage in brain exercises for anti-aging. It's a straightforward tool for improving calculation speed and accuracy.

Highlights
  • Adjustable difficulty levels
  • Mental arithmetic training
  • Anti-aging brain exercises
  • Suitable for all skill levels
Features
Read full description

It is a standard flash mental arithmetic app. You can choose the difficulty level that suits your abilities. Please take advantage of this app to mental arithmetic training or anti-aging.

About

Number Place Class

Features
Read full description

It is a Sudoku app that can be enjoyed by beginners to advanced players. When you sove, who solve with as few notes as possible, who suddenly write notes and solve them, who use temporary storage a lot, There are many ways to enjoy Sudoku, It is an application that various people can enjoy. Advertising is a free Sudoku game that will not be displayed unless you go to see it yourself. It has the following features. 1.You can check if there are any mistakes on the way. (!check) 2.You can reset the game if you find a mistake in the early or middle stage and there are many mistakes. (RESET) 3.If you get stuck, a polite hint will be displayed. (? Hint) 4.You can color the memo numbers you wrote down. (Press and hold a number in memo mode) 5.You can make problems such as magazines or newspaper, you can enjoy it anywhere without a pencil and eraser. When entering numbers in pen mode, make sure that there are no mistakes, twice or three times. please put it in. Every quiz has one solution.

Screenshots

Simple Flash Mental Arithmetic2 screens
Number Place Class4 screens

Verdict

The call

The clearest difference is ads: Number Place Class at none against Simple Flash Mental Arithmetic's shown. Number Place Class also leads on update cadence (every 6 days vs every 2 months). Simple Flash Mental Arithmetic's advantage is iOS requirement (12.0 vs 18.6). On price, in-app purchases and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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

UpkeepUpdate frequency

Simple Flash Mental Arithmetic ships an update every 2 months, Number Place Class every 6 days. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

Scorecard3 real differences ยท 5 level
Simple Flash Mental Arithmetic versus Number Place Class: the parameters behind the verdict, then further details
ParameterSimple Flash Mental ArithmeticNumber Place Class
PriceFreeFree
Positive reviews50.0% of reviewsโ€”
Update frequencyEvery 2 monthsEvery 6 days โ€” better
AdsYesNo โ€” better
In-app purchasesNoNo
MonetizationAd-supportedโ€”
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPad
Requires iOS12.0 โ€” better18.6
Further details โ€” not scored
Size21 MB6 MB
Age rating4+4+
DeveloperYuki TakedaYukihiro Shioya

In-app purchases

None

Simple Flash Mental Arithmetic

No in-app purchases

None

Number Place Class

No in-app purchases

Questions

Is Simple Flash Mental Arithmetic free?
Simple Flash Mental Arithmetic is free to download, with no in-app purchases.
Is Number Place Class free?
Number Place Class is free to download, with no in-app purchases.
Do Simple Flash Mental Arithmetic or Number Place Class have ads?
Simple Flash Mental Arithmetic shows ads; Number Place Class does not.
Which is updated more often, Simple Flash Mental Arithmetic or Number Place Class?
Simple Flash Mental Arithmetic ships an update every 2 months, and Number Place Class every 6 days. Most recently, Simple Flash Mental Arithmetic was updated on November 1, 2026 and Number Place Class on November 7, 2026.

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