Comparison

Soroban Drill vs Abacus Exercise

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 Exercise

Practice abacus calculations with a customizable digital tool. Adjust bead colors, sounds, and layout for a personalized learning experience. Challenge yourself with addition, subtraction, multiplication, and division exercises.

Highlights
  • Customizable abacus layout
  • Adjustable bead size and position
  • Up to 15-digit support
  • Customizable bead colors and sounds
  • Addition, subtraction, multiplication, division practice
  • Level-based challenges
Features
Read full description

This app focuses on the ease of use of the abacus on the app, and aims to realize smooth and comfortable operability. In addition to being able to use the abacus widely on the horizontal screen, the size and position can be freely customized according to the device. The number of digits can be used up to 15 digits, and the color and sound of the beads can also be set. You can challenge the addition and subtraction, multiplication, division questions according to your level.

Screenshots

Soroban Drill4 screens
Abacus Exercise4 screens

Verdict

The call

The clearest difference is in-app purchases: Abacus Exercise at none against Soroban Drill's 1. Abacus Exercise also leads on update cadence (every 3 weeks vs every 3 months) and iOS requirement (11.0 vs 13.0). Soroban Drill's advantage is ads (none vs shown) and review sentiment (65% vs 46%). On price, rating, ratings volume 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. Abacus Exercise asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.4 for Soroban Drill against 4.5 for Abacus Exercise. Both are backed by a comparable volume of ratings — 64 and 60 respectively. Written reviews are what separate them: 65% of Soroban Drill's written reviews are positive against 46% of Abacus Exercise's.

UpkeepUpdate frequency

Soroban Drill ships an update every 3 months, Abacus Exercise every 3 weeks. The most recent releases landed on October 15, 2026 and October 8, 2026 respectively.

Scorecard6 real differences · 4 level
Soroban Drill versus Abacus Exercise: the parameters behind the verdict, then further details
ParameterSoroban DrillAbacus Exercise
PriceFreeFree
Rating4.4 (64 ratings)4.5 (60 ratings) — better
Positive reviews64.5% of reviews — better46.2% of reviews
Number of ratings64 — better60
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.011.0 — better
Further details — not scored
Size30 MB90 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 Exercise

All ratings60 ratings
Positive90.0%
Neutral1.7%
Negative8.3%
Written reviews13 reviews
Positive46.2%
Neutral7.7%
Negative46.2%

In-app purchases

1 purchases

Soroban Drill

One-time1
  • 全ての機能をアンロック$3.99
None

Abacus Exercise

No in-app purchases

Questions

Is Soroban Drill free?
Soroban Drill is free to download, with in-app purchases available.
Is Abacus Exercise free?
Abacus Exercise is free to download, with no in-app purchases.
Which has better reviews, Soroban Drill or Abacus Exercise?
Abacus Exercise is rated higher. Soroban Drill averages 4.4 out of 5 from 64 ratings, while Abacus Exercise averages 4.5 from 60 ratings.
Do Soroban Drill or Abacus Exercise have ads?
Abacus Exercise shows ads; Soroban Drill does not.
Which is updated more often, Soroban Drill or Abacus Exercise?
Soroban Drill ships an update every 3 months, and Abacus Exercise every 3 weeks. Most recently, Soroban Drill was updated on October 15, 2026 and Abacus Exercise on October 8, 2026.

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