Soroban Drill vs Abacus Exercise
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Arithmetic drills
- Multiplication practice
- Division practice
- Mock soroban exams
- Addition and subtraction exercises
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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.
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.
- 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
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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
Verdict
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 50%). 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
Both are free to download. Soroban Drill sells 1 one-off in-app purchase. Abacus Exercise asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.4 for Soroban Drill against 4.4 for Abacus Exercise. Both are backed by a comparable volume of ratings — 66 and 62 respectively. Written reviews are what separate them: 65% of Soroban Drill's written reviews are positive against 50% of Abacus Exercise's.
Soroban Drill ships an update every 3 months, Abacus Exercise every 3 weeks. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.
| Parameter | Soroban Drill | Abacus Exercise |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (66 ratings) — better | 4.4 (62 ratings) |
| Positive reviews | 64.5% of reviews — better | 50.0% of reviews |
| Number of ratings | 66 — better | 62 |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 30 MB | 90 MB |
| Age rating | 4+ | 4+ |
| Developer | Junichiro Komizo | Hirokazu Komatsu |
Customer experience
Soroban Drill
Abacus Exercise
In-app purchases
Soroban Drill
- 全ての機能をアンロック$3.99
Abacus Exercise
No in-app purchases
Questions
Is Soroban Drill free?
Is Abacus Exercise free?
Which has better reviews, Soroban Drill or Abacus Exercise?
Do Soroban Drill or Abacus Exercise have ads?
Which is updated more often, Soroban Drill or Abacus Exercise?
Other comparisons
