# Ábaco Admin vs RetosFAS

The clearest difference is in-app purchases: Ábaco Admin at none against RetosFAS's 5. RetosFAS's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. RetosFAS sells 5 in-app purchases, starting at $8.99 per month. Ábaco Admin asks for nothing beyond the download.

Ábaco Admin ships an update every 2 weeks, RetosFAS every 10 days. The most recent releases landed on September 8, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Ábaco Admin | RetosFAS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Size | 6 MB | 22 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Modo Digital S.L.](https://appshunter.io/developer/967067369) | [Mairim Yuli Silva Perez](https://appshunter.io/developer/1866346594) |

## What reviewers say

### Ábaco Admin

[App page](https://appshunter.io/ios/app/abaco-admin/id6587577940)

**Features:** macOS Compatibility

**In-app purchases:** none


### RetosFAS

[App page](https://appshunter.io/ios/app/retosfas/id6757358277)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Curso Permanencia Mensual | $8.99 | per month |
| Curso Cabo ET Mensual | $8.99 | per month |
| Suscripción Cabo 1º IM | $8.99 | per month |
| Suscripción Cabo Infantería Marina | $8.99 | per month |
| Curso Cabo 1 ET Mensual | $8.99 | per month |


## Frequently asked questions

### Is Ábaco Admin free?

Ábaco Admin is free to download, with no in-app purchases.

### Is RetosFAS free?

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

### Do Ábaco Admin or RetosFAS have ads?

Ábaco Admin shows ads; RetosFAS does not.

### Which is updated more often, Ábaco Admin or RetosFAS?

Ábaco Admin ships an update every 2 weeks, and RetosFAS every 10 days. Most recently, Ábaco Admin was updated on September 8, 2026 and RetosFAS on September 19, 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.*