# 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 (monthly vs every 3 months). Soroban Drill's advantage is ads (none vs shown) and ratings volume (66 vs 8). 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. That said, the two scores are not equally well evidenced: Soroban Drill has 66 ratings behind it against 8, so its average is the more settled of the two. 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 monthly. Both last shipped on October 24, 2026.

## 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 (8 ratings)](https://appshunter.io/ios/app/abacus-lesson-division/id1593317741/reviews)** |
| Number of ratings | **66** | 8 |
| Positive reviews | 64.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 30 MB | 132 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-division/id1593317741)

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:** 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 8 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 monthly. Most recently, Soroban Drill was updated on October 24, 2026 and Abacus Lesson on October 24, 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.*