# Abacus Lesson vs Soroban

The clearest difference is review sentiment: Abacus Lesson at 100% against Soroban's 0%. Abacus Lesson also leads on iOS requirement (11.0 vs 15.6). Soroban's advantage is in-app purchases (none vs 3) and update cadence (every 3 days vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. Abacus Lesson sells 3 one-off in-app purchases. Soroban asks for nothing beyond the download.

Abacus Lesson ships an update monthly, Soroban every 3 days. The most recent releases landed on September 21, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Abacus Lesson | Soroban |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/abacus-lesson-division/id1593317741/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 132 MB | 5 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hirokazu Komatsu](https://appshunter.io/developer/1523833531) | [hirokazu murabe](https://appshunter.io/developer/894364772) |

## What reviewers say

### 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 |


### Soroban

[App page](https://appshunter.io/ios/app/soroban-japanese-abacus/id6756285265)

Experience the traditional art of calculation with a realistic Japanese abacus. This app offers authentic sounds and visual guides for brain training and educational use. Enjoy the satisfying rhythm of beads and rediscover analog calculation.

**Highlights:** Realistic wood textures and hexagon beads, Authentic bead clicking and reset sounds, Visual unit rod markings, Distraction-free calculation environment, ASMR-like bead click sounds

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

**In-app purchases:** none


## Frequently asked questions

### Is Abacus Lesson free?

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

### Is Soroban free?

Soroban is free to download, with no in-app purchases.

### Do Abacus Lesson or Soroban have ads?

Both Abacus Lesson and Soroban show ads.

### Which is updated more often, Abacus Lesson or Soroban?

Abacus Lesson ships an update monthly, and Soroban every 3 days. Most recently, Abacus Lesson was updated on September 21, 2026 and Soroban on September 10, 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.*