# Islas Marías vs Ferrocarril Interoceánico

The clearest difference is update cadence: Islas Marías at every 5 days against Ferrocarril Interoceánico's every 3 weeks. Islas Marías also leads on iOS requirement (11.0 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Islas Marías ships an update every 5 days, Ferrocarril Interoceánico every 3 weeks. The most recent releases landed on September 9, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Islas Marías | Ferrocarril Interoceánico |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 weeks |
| Size | 28 MB | 55 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Confederacion de Camaras Nacionales de Comercio, Servicios y Turismo de los Estados Unidos Mexicanos](https://appshunter.io/developer/1644527161) | [Ferrocarril del Istmo de Tehuantepec, S.A. de C.V.](https://appshunter.io/developer/1724074116) |

## What reviewers say

### Islas Marías

[App page](https://appshunter.io/ios/app/islas-marias/id6444737516)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ferrocarril Interoceánico

[App page](https://appshunter.io/ios/app/ferrocarril-interoceanico/id6475366383)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Islas Marías free?

Islas Marías is free to download, with no in-app purchases.

### Is Ferrocarril Interoceánico free?

Ferrocarril Interoceánico is free to download, with no in-app purchases.

### Do Islas Marías or Ferrocarril Interoceánico have ads?

Neither Islas Marías nor Ferrocarril Interoceánico shows ads.

### Which is updated more often, Islas Marías or Ferrocarril Interoceánico?

Islas Marías ships an update every 5 days, and Ferrocarril Interoceánico every 3 weeks. Most recently, Islas Marías was updated on September 9, 2026 and Ferrocarril Interoceánico on September 8, 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.*