# Anzan Expert vs Abacus Lesson

The clearest difference is in-app purchases: Anzan Expert at none against Abacus Lesson's 1. Anzan Expert also leads on review sentiment (100% vs 75%). Abacus Lesson's advantage is ads (none vs shown) and update cadence (every 2 days vs every 3 months). On price, rating and device support there is nothing between them.

Both are free to download. Abacus Lesson sells 1 one-off in-app purchase. Anzan Expert asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for Anzan Expert against 4.8 for Abacus Lesson. That said, the two scores are not equally well evidenced: Abacus Lesson has 95 ratings behind it against 6, so its average is the more settled of the two. Written reviews are what separate them: 100% of Anzan Expert's written reviews are positive against 75% of Abacus Lesson's.

Anzan Expert ships an update every 3 months, Abacus Lesson every 2 days. The most recent releases landed on June 25, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Anzan Expert | Abacus Lesson |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (6 ratings)](https://appshunter.io/ios/app/anzan-expert/id1534494364/reviews) | **[4.8 (95 ratings)](https://appshunter.io/ios/app/abacus-lesson/id1596053232/reviews)** |
| Number of ratings | 6 | **95** |
| Positive reviews | **100.0% of reviews** | 75.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 31 MB | 153 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/id1596053232)

Master mental arithmetic and abacus calculation with this comprehensive app. Learn efficient finger movements and mental math techniques to solve complex problems quickly. Enjoy a customizable and ad-free learning experience with progress tracking.

**Highlights:** Abacus lessons, Mental arithmetic training, Finger movement focus, Customizable abacus color, Screen orientation options, Trophy system for goals

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all contents | $5.99 | 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 4.8 from 95 ratings.

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

Anzan Expert shows ads; Abacus Lesson does not.

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

Anzan Expert ships an update every 3 months, and Abacus Lesson every 2 days. Most recently, Anzan Expert was updated on June 25, 2026 and Abacus Lesson on September 21, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*