# Simple Soroban (Abacus) vs Abacus Trainer

The clearest difference is in-app purchases: Simple Soroban (Abacus) at none against Abacus Trainer's 1. Simple Soroban (Abacus) also leads on ads (none vs shown). Abacus Trainer's advantage is iOS requirement (15.0 vs 18.3). On price and device support there is nothing between them.

Both are free to download. Abacus Trainer sells 1 one-off in-app purchase. Simple Soroban (Abacus) asks for nothing beyond the download.

## The numbers

| Metric | Simple Soroban (Abacus) | Abacus Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/simple-soroban-abacus/id6787463185/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Fortnightly |
| Monetization | Free | — |
| Size | 3 MB | 31 MB |
| Requires iOS | 18.3 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Bruno Takahashi Carvalhas de Oliveira](https://appshunter.io/developer/1860732734) | [Doni Winata](https://appshunter.io/developer/6794313295) |

## What reviewers say

### Simple Soroban (Abacus)

[App page](https://appshunter.io/ios/app/simple-soroban-abacus/id6787463185)

Learn and practice Japanese abacus calculations with interactive tutorials and multiple modes. Customize your abacus experience and improve mental math skills with this completely free educational tool.

**Highlights:** Interactive tutorials for arithmetic, Freeform, Relax, Challenge, and Anzan modes, Configurable 7 or 9-column soroban, Multiple color themes, No ads or in-app purchases, Mental calculation training

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

**In-app purchases:** none


### Abacus Trainer

[App page](https://appshunter.io/ios/app/abacus-trainer-mental-math/id6794313293)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |


## Frequently asked questions

### Is Simple Soroban (Abacus) free?

Simple Soroban (Abacus) is free to download, with no in-app purchases.

### Is Abacus Trainer free?

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

### Do Simple Soroban (Abacus) or Abacus Trainer have ads?

Abacus Trainer shows ads; Simple Soroban (Abacus) does not.

---

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