# RetosFAS vs Learning Numbers

The clearest difference is in-app purchases: Learning Numbers at none against RetosFAS's 5. RetosFAS's advantage is update cadence (every 10 days vs every 4 weeks) and iOS requirement (15.6 vs 17.6). On price, ads and device support there is nothing between them.

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

RetosFAS ships an update every 10 days, Learning Numbers every 4 weeks. The most recent releases landed on September 19, 2026 and May 15, 2026 respectively.

## The numbers

| Metric | RetosFAS | Learning Numbers |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 4 weeks |
| Size | 22 MB | 175 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Mairim Yuli Silva Perez](https://appshunter.io/developer/1866346594) | [Peter Hund](https://appshunter.io/developer/1825637135) |

## What reviewers say

### 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 |


### Learning Numbers

[App page](https://appshunter.io/ios/app/learning-numbers-dino-math/id6759288829)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RetosFAS free?

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

### Is Learning Numbers free?

Learning Numbers is free to download, with no in-app purchases.

### Do RetosFAS or Learning Numbers have ads?

Neither RetosFAS nor Learning Numbers shows ads.

### Which is updated more often, RetosFAS or Learning Numbers?

RetosFAS ships an update every 10 days, and Learning Numbers every 4 weeks. Most recently, RetosFAS was updated on September 19, 2026 and Learning Numbers on May 15, 2026.

---

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