# SIMAS OEIRAS vs Alldrivers

The clearest difference is update cadence: Alldrivers at every 2 weeks against SIMAS OEIRAS's monthly. 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.

SIMAS OEIRAS ships an update monthly, Alldrivers every 2 weeks. The most recent releases landed on October 25, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | SIMAS OEIRAS | Alldrivers |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Size | 45 MB | 50 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SERVICOS INTERMUNICIPALIZADOS DE AGUA E SANEAMENTO DOS MUNICIPIOS DE OEIRAS E AMADORA](https://appshunter.io/developer/1875971098) | [Alldrivers](https://appshunter.io/developer/1895936217) |

## What reviewers say

### SIMAS OEIRAS

[App page](https://appshunter.io/ios/app/simas-oeiras/id6758957048)

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

**In-app purchases:** none


### Alldrivers

[App page](https://appshunter.io/ios/app/alldrivers/id6764850597)

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

**In-app purchases:** none


## Frequently asked questions

### Is SIMAS OEIRAS free?

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

### Is Alldrivers free?

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

### Do SIMAS OEIRAS or Alldrivers have ads?

Neither SIMAS OEIRAS nor Alldrivers shows ads.

### Which is updated more often, SIMAS OEIRAS or Alldrivers?

SIMAS OEIRAS ships an update monthly, and Alldrivers every 2 weeks. Most recently, SIMAS OEIRAS was updated on October 25, 2026 and Alldrivers on October 17, 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.*