# Alcobaça vs Alerta

The clearest difference is ads: Alcobaça at none against Alerta's shown. Alcobaça also leads on update cadence (daily vs every 4 days) and iOS requirement (14.0 vs 18.6). On price, 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.

Alcobaça ships an update daily, Alerta every 4 days. The most recent releases landed on September 21, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Alcobaça | Alerta |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Every 4 days |
| Monetization | — | Free |
| Size | 73 MB | 16 MB |
| Requires iOS | **14.0** | 18.6 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [AIRC - Associação de Informática da Região Centro](https://appshunter.io/developer/1113507435) | [Walter Tengler](https://appshunter.io/developer/1860699717) |

## What reviewers say

### Alcobaça

[App page](https://appshunter.io/ios/app/alcobaca/id6473308208)

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

**In-app purchases:** none


### Alerta

[App page](https://appshunter.io/ios/app/alerta/id6759662896)

Stay informed about active incidents across Portugal with real-time map updates and notifications. Report new events, track emergency response efforts, and filter information by type. Users can build a reputation for reliable reporting.

**Highlights:** Real-time incident map, Report new incidents, Receive location-based alerts, View deployed resources, Filter incidents by type, User reporting reputation system

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Alcobaça free?

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

### Is Alerta free?

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

### Do Alcobaça or Alerta have ads?

Alerta shows ads; Alcobaça does not.

### Which is updated more often, Alcobaça or Alerta?

Alcobaça ships an update daily, and Alerta every 4 days. Most recently, Alcobaça was updated on September 21, 2026 and Alerta on September 25, 2026.

---

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