Comparison

A3S vs Mental Math Kingdom

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

Head to head
About

A3S

Features
Read full description

Design Changes

About

Mental Math Kingdom

Features
Read full description

โ–  No ads. One-time purchase. No sign-up needed. A mental math trainer you can hand to your kids with confidence. Your learning records stay on your device, and no account is needed. โ–  Your journey on the Math Road From grade-1 addition to times tables, 2-digit multiplication, and adult-level challenges โ€” climb Levels 1 to 20, collecting stars one step at a time. - Pick your grade, or take a 1-minute placement test to find your starting point - Always start where you can win, and level up without frustration - Grade 1 (addition), Grade 2 (times tables), Grade 3 (division), Grade 4+ (2-digit multiplication), plus brain training for teens and adults. The whole family can use it. โ–  Master mental multiplication Doing "23 x 47" in your head is a real skill โ€” and the top of the Math Road is where you earn it. - Step-by-Step: break 2-digit multiplication into 3 steps and learn how it works - Times-Table Ladder: unlock stage by stage and collect stars - Weak-Spot AI: analyzes your mistakes and targets what you struggle with โ–  Gamification that keeps you coming back - Earn XP and rank up from "Rookie" all the way to "Mental Math King" - Daily streaks, combos, and a badge collection - Daily Challenge: the same 10 questions for everyone, every day - Game Center leaderboards (daily / all-time / time attack / weekly league) โ–  Modes for every mood Practice / Step-by-Step / Daily Challenge / Time Attack / Survival / Review / Weak-Spot AI โ–  See your growth Accuracy and speed trend charts, per-topic stats, and a parent report. Progress you can see keeps motivation high. โ–  Mental Math Kingdom Pro (one-time purchase โ€” buy once, use forever) Unlocks Survival, Weak-Spot Review, unlimited Time Attack, detailed stat charts, and all themes. It is not a subscription. For ages 6 to adult โ€” kids, students, and grown-ups keeping their minds sharp.

Screenshots

A3S4 screens
Mental Math Kingdom4 screens

Verdict

The call

The clearest difference is in-app purchases: A3S at none against Mental Math Kingdom's 1. A3S also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.0). Mental Math Kingdom's advantage is update cadence (daily vs every 2 weeks). On price and ads 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. Mental Math Kingdom sells 1 one-off in-app purchase. A3S asks for nothing beyond the download.

UpkeepUpdate frequency

A3S ships an update every 2 weeks, Mental Math Kingdom daily. The most recent releases landed on October 24, 2026 and October 11, 2026 respectively.

Scorecard4 real differences ยท 2 level
A3S versus Mental Math Kingdom: the parameters behind the verdict, then further details
ParameterA3SMental Math Kingdom
PriceFreeFree
Update frequencyEvery 2 weeksDaily โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, iPod โ€” betteriPhone
Requires iOS13.0 โ€” better17.0
Further details โ€” not scored
Size30 MB13 MB
Age rating4+4+
DeveloperDeccan Spark TechnologiesHiroki Sekimoto

In-app purchases

None

A3S

No in-app purchases

1 purchases

Mental Math Kingdom

One-time1
  • Mental Math Kingdom Pro$3.99

Questions

Is A3S free?
A3S is free to download, with no in-app purchases.
Is Mental Math Kingdom free?
Mental Math Kingdom is free to download, with in-app purchases available.
Do A3S or Mental Math Kingdom have ads?
Neither A3S nor Mental Math Kingdom shows ads.
Which is updated more often, A3S or Mental Math Kingdom?
A3S ships an update every 2 weeks, and Mental Math Kingdom daily. Most recently, A3S was updated on October 24, 2026 and Mental Math Kingdom on October 11, 2026.

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