Comparison

Abacus Lesson vs Abacus Mental Maths

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

Head to head
About

Abacus Lesson

Learn the simple and fast method of division using an abacus. This app focuses on developing mental calculation skills by leveraging the abacus technique. It's recommended to master addition, subtraction, and multiplication with an abacus first.

Highlights
  • Learn abacus division techniques
  • Develop mental calculation skills
  • Focus on Soroban method
  • Step-by-step division instruction
  • Builds on addition, subtraction, multiplication
Features
Read full description

An abacus is named "Soroban" in Japan. Do you know what an abacus is? The abacus is very simple calculator used in China, Japan, Korea and so on. Some people may say "Isn't it an unnecessary tool if you have a calculator such as a smartphone?". Answer would be "No". The biggest difference between electric calculators and the abacus is whether you need to hold it in your hand when calculating. Because of its simplicity, you will be able to easily use the abacus in your mind. In the app, we will explain simple and fast method of the division using the abacus. To learn division, it is essential to be able to add, sub, and multiplication with an abacus. If you are new to them, we recommend that you learn addition subtraction multiplication with the app in my app list first. This app will give you the skill of calculation of division.

About

Abacus Mental Maths

Features
Read full description

Welcome to "Abacus Mental Maths," the ultimate app to sharpen your mental arithmetic skills and become a math whiz! Challenge yourself with addition, subtraction, multiplication, and division in two difficulty levels - Level 1 for beginners and Level 2 for the advanced. In "Practice Mode," take your time to solve problems without any time constraints, allowing you to learn at your own pace. Ready for a thrilling challenge? Step into "Test Mode" where you must solve questions against the clock. Aim for a score of 75% or above to pass the test and prove your math prowess! We believe in providing a seamless learning experience, which is why our app is free of intrusive ads. You decide when to watch sponsored content, ensuring your focus remains undisturbed. Whether you're a student striving to excel in exams or someone keen on mental math improvement, "Abacus Mental Maths" offers a fun and rewarding way to master calculations. Embrace the power of mental math and calculate, elevate, and dominate with ease! Download "Abacus Mental Maths" now and embark on an exciting journey to become a math genius!

Screenshots

Abacus Lesson3 screens
Abacus Mental Maths4 screens

Verdict

The call

The clearest difference is in-app purchases: Abacus Mental Maths at none against Abacus Lesson's 3. Abacus Lesson's advantage is update cadence (monthly vs every 3 months). On price, ads, 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. Abacus Lesson sells 3 one-off in-app purchases. Abacus Mental Maths asks for nothing beyond the download.

UpkeepUpdate frequency

Abacus Lesson ships an update monthly, Abacus Mental Maths every 3 months. The most recent releases landed on September 21, 2026 and September 7, 2026 respectively.

Scorecard2 real differences · 8 level
Abacus Lesson versus Abacus Mental Maths: the parameters behind the verdict, then further details
ParameterAbacus LessonAbacus Mental Maths
PriceFreeFree
Rating5.0 (8 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings8 — better—
Update frequencyMonthly — betterEvery 3 months
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS11.0 — better12.0
Further details — not scored
Size132 MB56 MB
Age rating4+4+
DeveloperHirokazu KomatsuBlue Castle Studios

In-app purchases

3 purchases

Abacus Lesson

One-time3
  • Donation Lv1 for hiding Ad$1.99
  • Donation Lv2 for hiding Ad$3.99
  • Donation Lv3 for hiding Ad$8.99
None

Abacus Mental Maths

No in-app purchases

Questions

Is Abacus Lesson free?
Abacus Lesson is free to download, with in-app purchases available.
Is Abacus Mental Maths free?
Abacus Mental Maths is free to download, with no in-app purchases.
Do Abacus Lesson or Abacus Mental Maths have ads?
Both Abacus Lesson and Abacus Mental Maths show ads.
Which is updated more often, Abacus Lesson or Abacus Mental Maths?
Abacus Lesson ships an update monthly, and Abacus Mental Maths every 3 months. Most recently, Abacus Lesson was updated on September 21, 2026 and Abacus Mental Maths on September 7, 2026.

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