# そろばん暗算の計算なら そろばんDANQ vs Abacus Lesson

The clearest difference is rating: Abacus Lesson at 5.0 against そろばん暗算の計算なら そろばんDANQ's 3.0. Abacus Lesson also leads on ratings volume (8 vs 1) and iOS requirement (11.0 vs 13.0). そろばん暗算の計算なら そろばんDANQ's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Abacus Lesson sells 3 one-off in-app purchases. そろばん暗算の計算なら そろばんDANQ asks for nothing beyond the download.

Abacus Lesson holds the better App Store score, 5.0 against 3.0. That said, the two scores are not equally well evidenced: Abacus Lesson has 8 ratings behind it against 1, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on November 3, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | そろばん暗算の計算なら そろばんDANQ | Abacus Lesson |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/danq/id1477001457/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/abacus-lesson-division/id1593317741/reviews)** |
| Number of ratings | 1 | **8** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | Monthly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 74 MB | 132 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Oriens, Inc.](https://appshunter.io/developer/1477001456) | [Hirokazu Komatsu](https://appshunter.io/developer/1523833531) |

## 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


### Abacus Lesson

[App page](https://appshunter.io/ios/app/abacus-lesson-division/id1593317741)

Learn the simple and fast method of division using an abacus. This app focuses on developing mental calculation skills by leveraging the abacus technique. It's recommended to master addition, subtraction, and multiplication with an abacus first.

**Highlights:** Learn abacus division techniques, Develop mental calculation skills, Focus on Soroban method, Step-by-step division instruction, Builds on addition, subtraction, multiplication

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Donation Lv1 for hiding Ad | $1.99 | one-time |
| Donation Lv2 for hiding Ad | $3.99 | one-time |
| Donation Lv3 for hiding Ad | $8.99 | one-time |


## 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 Abacus Lesson free?

Abacus Lesson is free to download, with in-app purchases available.

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

Abacus Lesson 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 Abacus Lesson averages 5.0 from 8 ratings.

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

Abacus Lesson 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 Abacus Lesson?

そろばん暗算の計算なら そろばんDANQ ships an update monthly, and Abacus Lesson monthly. Most recently, そろばん暗算の計算なら そろばんDANQ was updated on November 3, 2026 and Abacus Lesson on November 11, 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.*