# Sorobaco vs Abacus Trainer

The clearest difference is in-app purchases: Abacus Trainer at none against Sorobaco's 1. Abacus Trainer also leads on update cadence (fortnightly vs every 4 months) and iOS requirement (15.0 vs 26.2). Sorobaco's advantage is ads (none vs shown). On price and device support there is nothing between them.

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

Sorobaco ships an update every 4 months, Abacus Trainer fortnightly. The most recent releases landed on September 13, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Sorobaco | Abacus Trainer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Fortnightly** |
| Size | 1 MB | 29 MB |
| Requires iOS | 26.2 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Mercurio Solutions](https://appshunter.io/developer/1857594853) | [Doni Winata](https://appshunter.io/developer/6794313295) |

## What reviewers say

### Sorobaco

[App page](https://appshunter.io/ios/app/sorobaco/id6760806680)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support Sorobaco | $1.99 | one-time |


### Abacus Trainer

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Sorobaco free?

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

### Is Abacus Trainer free?

Abacus Trainer is free to download, with no in-app purchases.

### Do Sorobaco or Abacus Trainer have ads?

Abacus Trainer shows ads; Sorobaco does not.

### Which is updated more often, Sorobaco or Abacus Trainer?

Sorobaco ships an update every 4 months, and Abacus Trainer fortnightly. Most recently, Sorobaco was updated on September 13, 2026 and Abacus Trainer on September 27, 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.*