# 88くんマスター　そろばん教室88くん vs Abacus Lesson

The clearest difference is review sentiment: Abacus Lesson at 100% against 88くんマスター　そろばん教室88くん's 0%. Abacus Lesson also leads on update cadence (monthly vs every 3 months). 88くんマスター　そろばん教室88くん's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Abacus Lesson sells 3 one-off in-app purchases. 88くんマスター　そろばん教室88くん asks for nothing beyond the download.

88くんマスター　そろばん教室88くん ships an update every 3 months, Abacus Lesson monthly. The most recent releases landed on October 17, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 88くんマスター　そろばん教室88くん | Abacus Lesson |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (8 ratings)](https://appshunter.io/ios/app/abacus-lesson-division/id1593317741/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 28 MB | 132 MB |
| Requires iOS | **10.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SEIHA NETWORK CO., LTD.](https://appshunter.io/developer/968260084) | [Hirokazu Komatsu](https://appshunter.io/developer/1523833531) |

## What reviewers say

### 88くんマスター　そろばん教室88くん

[App page](https://appshunter.io/ios/app/88-88/id1207740524)

This official app from Soroban Kyoshitsu 88-kun offers practice for children attending their abacus classes. It allows for flash calculation and arithmetic drills at home, with features like multiplication tables and place value exercises.

**Highlights:** Flash calculation practice, Multiplication table drills, Place value exercises, Addition and subtraction practice, Division and multiplication drills, Number recognition for toddlers

**Features:** Vision Pro support

**In-app purchases:** none


### 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 88くんマスター　そろばん教室88くん free?

88くんマスター　そろばん教室88くん is free to download, with no in-app purchases.

### Is Abacus Lesson free?

Abacus Lesson is free to download, with in-app purchases available.

### Do 88くんマスター　そろばん教室88くん or Abacus Lesson have ads?

Abacus Lesson shows ads; 88くんマスター　そろばん教室88くん does not.

### Which is updated more often, 88くんマスター　そろばん教室88くん or Abacus Lesson?

88くんマスター　そろばん教室88くん ships an update every 3 months, and Abacus Lesson monthly. Most recently, 88くんマスター　そろばん教室88くん was updated on October 17, 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.*