# 88くんマスター　そろばん教室88くん vs そろばん学習ドリル Ext

The clearest difference is iOS requirement: 88くんマスター　そろばん教室88くん at 10.0 against そろばん学習ドリル Ext's 12.0. On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

88くんマスター　そろばん教室88くん ships an update every 3 months, そろばん学習ドリル Ext every 5 months. The most recent releases landed on August 21, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | 88くんマスター　そろばん教室88くん | そろばん学習ドリル Ext |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | Free | Free |
| Size | 28 MB | 24 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SEIHA NETWORK CO., LTD.](https://appshunter.io/developer/968260084) | [ryo itou](https://appshunter.io/developer/1435019729) |

## 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


### そろばん学習ドリル Ext

[App page](https://appshunter.io/ios/app/ext/id1449114393)

This app offers four courses to help beginners learn abacus calculation. It includes exercises for placing numbers, simple addition, addition of ten numbers, and auditory addition. Progress is tracked, and difficulty increases with proficiency.

**Highlights:** Placing numbers on the abacus, Two-digit addition practice, Addition of ten numbers, Auditory addition exercises, Progress tracking, Adaptive difficulty levels

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## 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 そろばん学習ドリル Ext free?

そろばん学習ドリル Ext is free to download, with no in-app purchases.

### Do 88くんマスター　そろばん教室88くん or そろばん学習ドリル Ext have ads?

Neither 88くんマスター　そろばん教室88くん nor そろばん学習ドリル Ext shows ads.

### Which is updated more often, 88くんマスター　そろばん教室88くん or そろばん学習ドリル Ext?

88くんマスター　そろばん教室88くん ships an update every 3 months, and そろばん学習ドリル Ext every 5 months. Most recently, 88くんマスター　そろばん教室88くん was updated on August 21, 2026 and そろばん学習ドリル Ext on September 6, 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.*