# そろばん暗算の計算なら そろばんDANQ vs シンプルFLASH暗算

The clearest difference is ads: そろばん暗算の計算なら そろばんDANQ at none against シンプルFLASH暗算's shown. そろばん暗算の計算なら そろばんDANQ also leads on iOS requirement (13.0 vs 15.6). On price, update cadence, in-app purchases and device support there is nothing between them.

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

そろばん暗算の計算なら そろばんDANQ ships an update monthly, シンプルFLASH暗算 fortnightly. The most recent releases landed on September 18, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | そろばん暗算の計算なら そろばんDANQ | シンプルFLASH暗算 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/danq/id1477001457/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free | — |
| Size | 74 MB | 4 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Oriens, Inc.](https://appshunter.io/developer/1477001456) | [TSUKASA YONAHA](https://appshunter.io/developer/1835823966) |

## What reviewers say

### 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


### シンプルFLASH暗算

[App page](https://appshunter.io/ios/app/flash/id6751562239)

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

**In-app purchases:** none


## Frequently asked questions

### 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.

### Is シンプルFLASH暗算 free?

シンプルFLASH暗算 is free to download, with no in-app purchases.

### Do そろばん暗算の計算なら そろばんDANQ or シンプルFLASH暗算 have ads?

シンプルFLASH暗算 shows ads; そろばん暗算の計算なら そろばんDANQ does not.

### Which is updated more often, そろばん暗算の計算なら そろばんDANQ or シンプルFLASH暗算?

そろばん暗算の計算なら そろばんDANQ ships an update monthly, and シンプルFLASH暗算 fortnightly. Most recently, そろばん暗算の計算なら そろばんDANQ was updated on September 18, 2026 and シンプルFLASH暗算 on September 14, 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.*