# そろばん電卓 〜計算を楽しもう〜 vs そろばん暗算の計算なら そろばんDANQ

The clearest difference is iOS requirement: そろばん電卓 〜計算を楽しもう〜 at 6.0 against そろばん暗算の計算なら そろばんDANQ's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 16, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | そろばん電卓 〜計算を楽しもう〜 | そろばん暗算の計算なら そろばんDANQ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (1 ratings)](https://appshunter.io/ios/app/danq/id1477001457/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free | Free |
| Size | 9 MB | 74 MB |
| Requires iOS | **6.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [suzuki katsuya](https://appshunter.io/developer/448034238) | [Oriens, Inc.](https://appshunter.io/developer/1477001456) |

## What reviewers say

### そろばん電卓 〜計算を楽しもう〜

[App page](https://appshunter.io/ios/app/id1067519909)

This app displays the calculation process of a soroban (abacus) for arithmetic operations entered on a calculator. It visually demonstrates how abacus beads move to solve addition, subtraction, multiplication, and division problems. Users can customize calculation order and bead speed.

**Highlights:** Visual abacus calculation display, Supports addition, subtraction, multiplication, division, Handles negative number subtraction, Customizable bead speed, Customizable multiplication order

**Features:** macOS Compatibility

**In-app purchases:** none


### そろばん暗算の計算なら そろばんDANQ

[App page](https://appshunter.io/ios/app/danq/id1477001457)

This app is designed for serious practice of abacus calculation and mental abacus. It offers automatic scoring and re-presents incorrect problems for efficient learning. Practice with problems used by over 100 million people, covering all levels from beginner to advanced.

**Highlights:** Abacus calculation practice, Mental abacus training, Automatic scoring, Adaptive problem re-presentation, Progress visualization with graphs, Problems from a leading Japanese publisher

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is そろばん電卓 〜計算を楽しもう〜 free?

そろばん電卓 〜計算を楽しもう〜 is free to download, with no in-app purchases.

### Is そろばん暗算の計算なら そろばんDANQ free?

そろばん暗算の計算なら そろばんDANQ is free to download, with no in-app purchases.

### Do そろばん電卓 〜計算を楽しもう〜 or そろばん暗算の計算なら そろばんDANQ have ads?

Neither そろばん電卓 〜計算を楽しもう〜 nor そろばん暗算の計算なら そろばんDANQ shows ads.

### Which is updated more often, そろばん電卓 〜計算を楽しもう〜 or そろばん暗算の計算なら そろばんDANQ?

そろばん電卓 〜計算を楽しもう〜 ships an update monthly, and そろばん暗算の計算なら そろばんDANQ monthly. Most recently, そろばん電卓 〜計算を楽しもう〜 was updated on October 16, 2026 and そろばん暗算の計算なら そろばんDANQ on October 23, 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.*