# Postos ST vs Charrua

The clearest difference is review sentiment: Postos ST at 83% against Charrua's 50%. Postos ST also leads on update cadence (every 3 weeks vs every 2 months). Charrua's advantage is monetization model (free vs ad-supported). 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.

Postos ST ships an update every 3 weeks, Charrua every 2 months. The most recent releases landed on September 16, 2026 and August 27, 2026 respectively.

## The numbers

| Metric | Postos ST | Charrua |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **83.3% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Ad-supported | **Free** |
| Size | 116 MB | 106 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Argo Sistemas Ltda](https://appshunter.io/developer/1285308791) | [Rede de Postos Sim](https://appshunter.io/developer/1457255348) |

## What reviewers say

### Postos ST

[App page](https://appshunter.io/ios/app/postos-st/id1555269014)

Get discounts, cashback, and other benefits on fuel purchases at Santa Terezinha gas stations. This app helps you save money on your refueling needs.

**Highlights:** Fuel discounts, Cashback rewards, Exclusive benefits, Locate gas stations, Track purchases

**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 Postos ST free?

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

### Is Charrua free?

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

### Do Postos ST or Charrua have ads?

Neither Postos ST nor Charrua shows ads.

### Which is updated more often, Postos ST or Charrua?

Postos ST ships an update every 3 weeks, and Charrua every 2 months. Most recently, Postos ST was updated on September 16, 2026 and Charrua on August 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.*