# Abacus Practice vs そろばん練習

The clearest difference is price: そろばん練習 at Free against Abacus Practice's $0.99. そろばん練習 also leads on in-app purchases (none vs 1) and update cadence (every 3 days vs every 4 months). On ads and device support there is nothing between them.

そろばん練習 is free to download; Abacus Practice costs $0.99 up front. Abacus Practice sells 1 one-off in-app purchase. そろばん練習 asks for nothing beyond the download.

Abacus Practice ships an update every 4 months, そろばん練習 every 3 days. The most recent releases landed on October 16, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Abacus Practice | そろばん練習 |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 18 MB | 28 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SMART BIT K.K](https://appshunter.io/developer/1896559487) | [Hitoshi ICHIKAWA](https://appshunter.io/developer/1629231459) |

## What reviewers say

### Abacus Practice

[App page](https://appshunter.io/ios/app/abacus-practice-mental-math/id6770438521)

Practice abacus, mental arithmetic, and calculation skills on your iPhone or iPad. Features a realistic abacus interface for various exercises, including addition, subtraction, multiplication, division, and flash calculations. Track your progress and review your performance over time.

**Highlights:** Realistic abacus interface, Practice addition, subtraction, multiplication, division, Flash and slip calculations, Customizable problem generation, Practice history and performance records, Adjustable settings for sound, vibration, and left-handed mode

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Proアンロック | $2.99 | one-time |


### そろばん練習

[App page](https://appshunter.io/ios/app/id6802904653)

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

**In-app purchases:** none


## Frequently asked questions

### Is Abacus Practice free?

Abacus Practice costs $0.99, and also offers in-app purchases.

### Is そろばん練習 free?

そろばん練習 is free to download, with no in-app purchases.

### Do Abacus Practice or そろばん練習 have ads?

Neither Abacus Practice nor そろばん練習 shows ads.

### Which is updated more often, Abacus Practice or そろばん練習?

Abacus Practice ships an update every 4 months, and そろばん練習 every 3 days. Most recently, Abacus Practice was updated on October 16, 2026 and そろばん練習 on October 9, 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.*