# FLASH ANZAN (arithmetic) vs Soroban Training

The clearest difference is rating: Soroban Training at 4.7 against FLASH ANZAN (arithmetic)'s 3.7. Soroban Training also leads on ratings volume (179 vs 3). FLASH ANZAN (arithmetic)'s advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, review sentiment, update cadence and device support there is nothing between them.

Both are free to download. Soroban Training sells 1 one-off in-app purchase. FLASH ANZAN (arithmetic) asks for nothing beyond the download.

Soroban Training holds the better App Store score, 4.7 against 3.7. That said, the two scores are not equally well evidenced: Soroban Training has 179 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 75% of FLASH ANZAN (arithmetic)'s written reviews are positive against 80% of Soroban Training's.

FLASH ANZAN (arithmetic) ships an update monthly, Soroban Training every 2 weeks. The most recent releases landed on October 13, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | FLASH ANZAN (arithmetic) | Soroban Training |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/flash-anzan-arithmetic/id1282325066/reviews) | **[4.7 (179 ratings)](https://appshunter.io/ios/app/soroban-training/id1519658576/reviews)** |
| Number of ratings | 3 | **179** |
| Positive reviews | 75.0% of reviews | **80.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 17 MB | 8 MB |
| Requires iOS | **8.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mako Muraoka Yudai Muraoka](https://appshunter.io/developer/1069915436) | [Jumpei Adachi](https://appshunter.io/developer/1516414955) |

## What reviewers say

### FLASH ANZAN (arithmetic)

[App page](https://appshunter.io/ios/app/flash-anzan-arithmetic/id1282325066)

Practice mental arithmetic with adjustable settings for digit count, flash speed, and problem quantity. Designed to enhance calculation skills through timed exercises.

**Highlights:** Adjustable number of digits (1-7), Customizable flash time (0.1-3.0 seconds), Selectable number of problems (5-100), Focus on mental calculation

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

**In-app purchases:** none


### Soroban Training

[App page](https://appshunter.io/ios/app/soroban-training/id1519658576)

Learn and practice abacus skills directly on your touchscreen. Generate custom problems to hone your abacus techniques, even with a physical abacus.

**Highlights:** Touchscreen abacus simulation, Custom problem generation, Practice with physical abacus, Abacus learning tool

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is FLASH ANZAN (arithmetic) free?

FLASH ANZAN (arithmetic) is free to download, with no in-app purchases.

### Is Soroban Training free?

Soroban Training is free to download, with in-app purchases available.

### Which has better reviews, FLASH ANZAN (arithmetic) or Soroban Training?

Soroban Training is rated higher. FLASH ANZAN (arithmetic) averages 3.7 out of 5 from 3 ratings, while Soroban Training averages 4.7 from 179 ratings.

### Do FLASH ANZAN (arithmetic) or Soroban Training have ads?

Soroban Training shows ads; FLASH ANZAN (arithmetic) does not.

### Which is updated more often, FLASH ANZAN (arithmetic) or Soroban Training?

FLASH ANZAN (arithmetic) ships an update monthly, and Soroban Training every 2 weeks. Most recently, FLASH ANZAN (arithmetic) was updated on October 13, 2026 and Soroban Training on October 21, 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.*