# Real Soroban vs Abacus Trainer

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

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

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 3, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Real Soroban | Abacus Trainer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | Fortnightly |
| Size | 0 MB | 31 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [satoshi amasaki](https://appshunter.io/developer/1891268722) | [Doni Winata](https://appshunter.io/developer/6794313295) |

## What reviewers say

### Real Soroban

[App page](https://appshunter.io/ios/app/real-soroban/id6761827077)

**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 Real Soroban free?

Real Soroban 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 Real Soroban or Abacus Trainer have ads?

Abacus Trainer shows ads; Real Soroban does not.

### Which is updated more often, Real Soroban or Abacus Trainer?

Real Soroban ships an update fortnightly, and Abacus Trainer fortnightly. Most recently, Real Soroban was updated on October 3, 2026 and Abacus Trainer on October 25, 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.*