# STM Alarmes vs Charrua

STM Alarmes and Charrua are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

STM Alarmes ships an update every 6 weeks, Charrua every 2 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | STM Alarmes | Charrua |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | — | Free |
| Size | 114 MB | 106 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [STM Alarmes](https://appshunter.io/developer/1656732555) | [Rede de Postos Sim](https://appshunter.io/developer/1457255348) |

## What reviewers say

### STM Alarmes

[App page](https://appshunter.io/ios/app/stm-alarmes/id6444772096)

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

**In-app purchases:** none


### Charrua

[App page](https://appshunter.io/ios/app/charrua/id6451496349)

Get instant discounts on fuel purchases, including gasoline, diesel, ethanol, and GNV. Easily locate the nearest service station and track your savings with a built-in meter.

**Highlights:** Instant fuel discounts, Locate nearest stations, Track savings with Descontômetro, Discounts on various fuel types, Search by city or station name

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

**In-app purchases:** none


## Frequently asked questions

### Is STM Alarmes free?

STM Alarmes is free to download, with no in-app purchases.

### Is Charrua free?

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

### Do STM Alarmes or Charrua have ads?

Neither STM Alarmes nor Charrua shows ads.

### Which is updated more often, STM Alarmes or Charrua?

STM Alarmes ships an update every 6 weeks, and Charrua every 2 months. Most recently, STM Alarmes was updated on November 3, 2026 and Charrua on November 3, 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.*