Comparison

Soroban Training 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

Soroban Training

Learn and practice abacus skills directly on your touchscreen. Generate custom problems to hone your abacus techniques, even with a physical abacus.

Highlights
  • Touchscreen abacus simulation
  • Custom problem generation
  • Practice with physical abacus
  • Abacus learning tool
Features
Read full description

This app enables you to play an abacus on the touch screen. You can also just create problems, so you can practice the abacus using your actual abacus.

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.

Screenshots

Soroban Training4 screens
Abacus Lesson3 screens

Verdict

The call

The clearest difference is review sentiment: Abacus Lesson at 100% against Soroban Training's 78%. Abacus Lesson also leads on rating (5.0 vs 4.7) and iOS requirement (11.0 vs 18.0). Soroban Training's advantage is ratings volume (176 vs 8). On price, update cadence, ads and in-app purchases 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. Soroban Training sells 1 one-off in-app purchase and Abacus Lesson sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Abacus Lesson holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Soroban Training has 176 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 78% of Soroban Training's written reviews are positive against 100% of Abacus Lesson's.

UpkeepUpdate frequency

Soroban Training ships an update every 2 weeks, Abacus Lesson monthly. The most recent releases landed on September 24, 2026 and September 21, 2026 respectively.

Scorecard4 real differences · 6 level
Soroban Training versus Abacus Lesson: the parameters behind the verdict, then further details
ParameterSoroban TrainingAbacus Lesson
PriceFreeFree
Rating4.7 (176 ratings)5.0 (8 ratings) — better
Positive reviews77.5% of reviews100.0% of reviews — better
Number of ratings176 — better8
Update frequencyEvery 2 weeks — betterMonthly
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.011.0 — better
Further details — not scored
Size8 MB132 MB
Age rating4+4+
DeveloperJumpei AdachiHirokazu Komatsu

Customer experience

Soroban Training

All ratings176 ratings
Positive91.5%
Neutral2.8%
Negative5.7%
Written reviews40 reviews
Positive77.5%
Neutral5.0%
Negative17.5%

Abacus Lesson

All ratings8 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Soroban Training

One-time1
  • Remove Ads$2.99
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 Soroban Training free?
Soroban Training is free to download, with in-app purchases available.
Is Abacus Lesson free?
Abacus Lesson is free to download, with in-app purchases available.
Which has better reviews, Soroban Training or Abacus Lesson?
Abacus Lesson is rated higher. Soroban Training averages 4.7 out of 5 from 176 ratings, while Abacus Lesson averages 5.0 from 8 ratings.
Do Soroban Training or Abacus Lesson have ads?
Both Soroban Training and Abacus Lesson show ads.
Which is updated more often, Soroban Training or Abacus Lesson?
Soroban Training ships an update every 2 weeks, and Abacus Lesson monthly. Most recently, Soroban Training was updated on September 24, 2026 and Abacus Lesson on September 21, 2026.

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