Comparison

Soroban Drill 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 Drill

Practice Japanese abacus calculations with this app. It offers exercises for addition, subtraction, sums, multiplication, and division. Advanced features like multiplication, division, and mock exams are available via in-app purchase.

Highlights
  • Arithmetic drills
  • Multiplication practice
  • Division practice
  • Mock soroban exams
  • Addition and subtraction exercises
Features
Read full description

This is a soroban practice app for soroban beginners. Easily practice multiplication and other arithmetic anywhere, or try a mock soroban exam. - Addition - Subtraction - Sums - Multiplication - Division - Mock exams * Multiplication, division, and mock exams can be unlocked through in-app payment.

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

Soroban Drill4 screens
Abacus Lesson3 screens

Verdict

The call

The clearest difference is rating: Abacus Lesson at 5.0 against Soroban Drill's 4.4. Abacus Lesson also leads on review sentiment (100% vs 65%) and update cadence (every 2 weeks vs every 3 months). Soroban Drill's advantage is ads (none vs shown) and ratings volume (66 vs 15). On price, in-app purchases, monetization model 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. Soroban Drill 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 4.4. Both are backed by a comparable volume of ratings — 66 and 15 respectively. Written reviews point the same way: 65% of Soroban Drill's written reviews are positive against 100% of Abacus Lesson's.

UpkeepUpdate frequency

Soroban Drill ships an update every 3 months, Abacus Lesson every 2 weeks. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

Scorecard6 real differences · 4 level
Soroban Drill versus Abacus Lesson: the parameters behind the verdict, then further details
ParameterSoroban DrillAbacus Lesson
PriceFreeFree
Rating4.4 (66 ratings)5.0 (15 ratings) — better
Positive reviews64.5% of reviews100.0% of reviews — better
Number of ratings66 — better15
Update frequencyEvery 3 monthsEvery 2 weeks — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.011.0 — better
Further details — not scored
Size30 MB138 MB
Age rating4+4+
DeveloperJunichiro KomizoHirokazu Komatsu

Customer experience

Soroban Drill

All ratings64 ratings
Positive87.5%
Neutral1.6%
Negative10.9%
Written reviews62 reviews
Positive64.5%
Neutral6.5%
Negative29.0%

Abacus Lesson

All ratings14 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews9 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Soroban Drill

One-time1
  • 全ての機能をアンロック$3.99
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 Drill free?
Soroban Drill 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 Drill or Abacus Lesson?
Abacus Lesson is rated higher. Soroban Drill averages 4.4 out of 5 from 66 ratings, while Abacus Lesson averages 5.0 from 15 ratings.
Do Soroban Drill or Abacus Lesson have ads?
Abacus Lesson shows ads; Soroban Drill does not.
Which is updated more often, Soroban Drill or Abacus Lesson?
Soroban Drill ships an update every 3 months, and Abacus Lesson every 2 weeks. Most recently, Soroban Drill was updated on October 24, 2026 and Abacus Lesson on October 27, 2026.

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