Comparison

Practice mental arithmetic vs A3S

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

Head to head

Practice mental arithmetic

Let's evolve!

A3School-Student

About

Practice mental arithmetic

Features

Read full description

- For all ages! - Evolve intelligence! The app is a generator of arithmetic task, with beautiful graphics that contribute to the involvement of the child in the process. Mental calculations evolve memory, culture of thought, its clarity, clarity and speed, intelligence, ability to find the most rational ways to solve the set goal, self-confidence, help students to fully assimilate subjects not only of the physical and mathematical cycle. This app helps older people prevention of dementia and other degenerative problems of the Central nervous system.

About

A3S

Features

Read full description

Design Changes

Screenshots

Practice mental arithmetic4 screens

A3S4 screens

Verdict

The call

The clearest difference is update cadence: A3S at every 2 weeks against Practice mental arithmetic's every 5 weeks. Practice mental arithmetic's advantage is iOS requirement (10.0 vs 13.0). 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

Practice mental arithmetic ships an update every 5 weeks, A3S every 2 weeks. The most recent releases landed on October 3, 2026 and October 7, 2026 respectively.

Scorecard2 real differences · 4 level

Practice mental arithmetic versus A3S: the parameters behind the verdict, then further details
Parameter	Practice mental arithmetic	A3S
Price	Free	Free
Update frequency	Every 5 weeks	Every 2 weeks — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	10.0 — better	13.0
Further details — not scored
Size	22 MB	30 MB
Age rating	4+	4+
Developer	Dmitry Korchagin	Deccan Spark Technologies

In-app purchases

None

Practice mental arithmetic

No in-app purchases

None

A3S

No in-app purchases

Questions

Is Practice mental arithmetic free?

Practice mental arithmetic is free to download, with no in-app purchases.

Is A3S free?

A3S is free to download, with no in-app purchases.

Do Practice mental arithmetic or A3S have ads?

Neither Practice mental arithmetic nor A3S shows ads.

Which is updated more often, Practice mental arithmetic or A3S?

Practice mental arithmetic ships an update every 5 weeks, and A3S every 2 weeks. Most recently, Practice mental arithmetic was updated on October 3, 2026 and A3S on October 7, 2026.