# Anzan Expert vs Abacus Lesson

The clearest difference is in-app purchases: Anzan Expert at none against Abacus Lesson's 3. Abacus Lesson's advantage is rating (5.0 vs 4.7) and update cadence (monthly vs every 3 months). On price, review sentiment, ratings volume and ads there is nothing between them.

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

Abacus Lesson holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 6 and 8 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Anzan Expert ships an update every 3 months, Abacus Lesson monthly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Anzan Expert | Abacus Lesson |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (6 ratings)](https://appshunter.io/ios/app/anzan-expert/id1534494364/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/abacus-lesson-division/id1593317741/reviews)** |
| Number of ratings | 6 | **8** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 29 MB | 132 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Moss](https://appshunter.io/developer/1534494486) | [Hirokazu Komatsu](https://appshunter.io/developer/1523833531) |

## What reviewers say

### Anzan Expert

[App page](https://appshunter.io/ios/app/anzan-expert/id1534494364)

This app helps improve mental math skills by presenting numbers that flash on screen for users to add. It offers various stages with increasing difficulty and timed challenges, along with a practice mode for self-paced learning. Users can earn medals and track their progress.

**Highlights:** Timed flash calculation challenges, 20 stages with increasing difficulty, Practice mode for self-paced learning, Expert medals and level progression, Review missed questions, Multi-challenger profiles, Customizable themes

**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 Anzan Expert free?

Anzan Expert 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, Anzan Expert or Abacus Lesson?

Abacus Lesson is rated higher. Anzan Expert averages 4.7 out of 5 from 6 ratings, while Abacus Lesson averages 5.0 from 8 ratings.

### Do Anzan Expert or Abacus Lesson have ads?

Both Anzan Expert and Abacus Lesson show ads.

### Which is updated more often, Anzan Expert or Abacus Lesson?

Anzan Expert ships an update every 3 months, and Abacus Lesson monthly. Most recently, Anzan Expert was updated on October 24, 2026 and Abacus Lesson on October 24, 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.*