Comparison

abacus shapes vs Abacus Lesson

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

Head to head
About

abacus shapes

Features
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You can do exercises of following calculations. Addition, Subtraction, Multiplication, Division, Flash addition, practice of abacus. This app is good for children, children can learn the basics of mathematics or A.I. technology. And It's also good for adults' reeducation too. Adults can brush up there calculation ability or it's useful for prevention of dementia or alzheimer's diseases. Furthermore, you can see some of basic principles of math with intuitive solid shapes. This will promote your understanding of math. And this app serves as toys that won't make your room messy. It is said that the chimpanzee are smarter than humans in terms of short-term memories. Humans short-term memories have degenerated, as ability of language has developed. Young children who are not totally dependent on language may be able to exercise chimps-like ability. In this app, a memorization method using language is proposed to retain short term memories, but it's not as quick as visual memorization method. What do you think of it? Mathematics isn't powerless. Maths is the basics of chemistry and biology and medical science. Computer is a product of maths, chemistry, and physics. You can use computer to make people immortal someday. Using sensors and cameras to monitor the body, detecting some problems, and cure them. There are some promising medical technologies like Gene therapy, iPS cells and so on. I hope someday humanity will conquer every diseases and death. If people conquer death, then things like sorrow, anxiety, sadness will go away. Please tell children to use this app, and let them achieve this goal. File saving function has been added. You can copy, edit, or rename csv file with PC. Now, you can add your own PNG images to this abacus. Please design your unique images of numbers like examples. To do so, you need to tap the Files icon of iOS and the folder of abacus game. Duplicate the data_5.csv file and PNG_5 folder, rename them like data_8.csv and PNG_8. Then register another number and string you want to add to the data_8.csv file and put another PNG images corresponding to the number you've registered into the PNG_8 folder. Check the brain icon in the setting page of how to read numbers. You can see these images in the process of calculation of abacus. You can share your way of reading numbers with your children, friends, and the world. Your intelligence and wisdom would be helpful to the people in the world. Please enjoy calculation with abacus.

About

Abacus Lesson

Learn multiplication using a virtual abacus. This app teaches a simple and fast method for calculating multiplication, emphasizing the mental calculation benefits of the abacus over digital calculators.

Highlights
  • Virtual abacus for multiplication
  • Simple and fast calculation methods
  • Focus on mental calculation skills
  • Step-by-step multiplication lessons
  • Suitable for beginners
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 multiplication using the abacus. To learn multiplication, it is essential to be able to add with an abacus. If you are new to addition and subtraction, we recommend that You first learn with the following app. https://apps.apple.com/us/app/abacus-lesson-add-sub/id1526785916 This app will give you the skill of calculation of multiplication.

Screenshots

abacus shapes4 screens
Abacus Lesson3 screens

Verdict

The call

The clearest difference is in-app purchases: abacus shapes at none against Abacus Lesson's 3. Abacus Lesson's advantage is update cadence (every 2 weeks vs every 6 weeks). 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 shapes asks for nothing beyond the download.

UpkeepUpdate frequency

abacus shapes ships an update every 6 weeks, Abacus Lesson every 2 weeks. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

Scorecard2 real differences · 8 level
abacus shapes versus Abacus Lesson: the parameters behind the verdict, then further details
Parameterabacus shapesAbacus Lesson
PriceFreeFree
Rating—5.0 (15 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—15 — better
Update frequencyEvery 6 weeksEvery 2 weeks — better
AdsYesYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.011.0 — better
Further details — not scored
Size90 MB138 MB
Age rating4+4+
Developertaijun sawanoHirokazu Komatsu

In-app purchases

None

abacus shapes

No 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

Questions

Is abacus shapes free?
abacus shapes is free to download, with no in-app purchases.
Is Abacus Lesson free?
Abacus Lesson is free to download, with in-app purchases available.
Do abacus shapes or Abacus Lesson have ads?
Both abacus shapes and Abacus Lesson show ads.
Which is updated more often, abacus shapes or Abacus Lesson?
abacus shapes ships an update every 6 weeks, and Abacus Lesson every 2 weeks. Most recently, abacus shapes was updated on October 26, 2026 and Abacus Lesson on October 27, 2026.

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