# そろばん暗算の計算なら そろばんDANQ vs SOLOPRA

The clearest difference is price: そろばん暗算の計算なら そろばんDANQ at Free against SOLOPRA's $4.99. そろばん暗算の計算なら そろばんDANQ also leads on iOS requirement (13.0 vs 16.2). SOLOPRA's advantage is rating (5.0 vs 3.0) and ratings volume (10 vs 1). On ads, in-app purchases and device support there is nothing between them.

そろばん暗算の計算なら そろばんDANQ is free to download; SOLOPRA costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SOLOPRA holds the better App Store score, 5.0 against 3.0. That said, the two scores are not equally well evidenced: SOLOPRA has 10 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | そろばん暗算の計算なら そろばんDANQ | SOLOPRA |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/danq/id1477001457/reviews) | **[5.0 (10 ratings)](https://appshunter.io/ios/app/solopra/id6449710640/reviews)** |
| Number of ratings | 1 | **10** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | **Free** | Paid |
| Size | 74 MB | 1 MB |
| Requires iOS | **13.0** | 16.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Oriens, Inc.](https://appshunter.io/developer/1477001456) | [Naoki Fujimura](https://appshunter.io/developer/1690172052) |

## 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


### SOLOPRA

[App page](https://appshunter.io/ios/app/solopra/id6449710640)

Create custom math problems for abacus and mental calculation practice. Supports addition, subtraction, mixed addition/subtraction, multiplication, division, and flash mental arithmetic with adjustable difficulty and speed.

**Highlights:** Customizable addition and subtraction problems, Adjustable difficulty for mixed addition/subtraction, Flexible multiplication and division settings, High-speed flash mental arithmetic mode, Personalizable display options for flash mode

**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 SOLOPRA free?

SOLOPRA costs $4.99, with no in-app purchases.

### Which has better reviews, そろばん暗算の計算なら そろばんDANQ or SOLOPRA?

SOLOPRA is rated higher. そろばん暗算の計算なら そろばんDANQ averages 3.0 out of 5 from 1 ratings, while SOLOPRA averages 5.0 from 10 ratings.

### Do そろばん暗算の計算なら そろばんDANQ or SOLOPRA have ads?

Neither そろばん暗算の計算なら そろばんDANQ nor SOLOPRA shows ads.

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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.*