# Soroban Drill vs Abacus Lesson

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.

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.

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.

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.

## The numbers

| Metric | Soroban Drill | Abacus Lesson |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (66 ratings)](https://appshunter.io/ios/app/soroban-drill/id1348246229/reviews) | **[5.0 (15 ratings)](https://appshunter.io/ios/app/abacus-lesson-multiplication/id1582635868/reviews)** |
| Number of ratings | **66** | 15 |
| Positive reviews | 64.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 30 MB | 138 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Junichiro Komizo](https://appshunter.io/developer/325507919) | [Hirokazu Komatsu](https://appshunter.io/developer/1523833531) |

## What reviewers say

### Soroban Drill

[App page](https://appshunter.io/ios/app/soroban-drill/id1348246229)

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:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 全ての機能をアンロック | $3.99 | one-time |


### Abacus Lesson

[App page](https://appshunter.io/ios/app/abacus-lesson-multiplication/id1582635868)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Donation Lv1 for hiding Ad | $1.99 | one-time |
| Donation Lv2 for hiding Ad | $3.99 | one-time |
| Donation Lv3 for hiding Ad | $8.99 | one-time |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*