# ALERTABLU vs Alerta Gaspar

The clearest difference is review sentiment: Alerta Gaspar at 50% against ALERTABLU's 17%. On price, update cadence, ads and in-app purchases there is nothing between them.

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

ALERTABLU ships an update fortnightly, Alerta Gaspar every 3 weeks. The most recent releases landed on November 12, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | ALERTABLU | Alerta Gaspar |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 17.1% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free | Free |
| Size | 69 MB | 34 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | +4 |
| Developer | [Prefeitura Municipal de Blumenau](https://appshunter.io/developer/1066281687) | [MUNICIPIO DE GASPAR](https://appshunter.io/developer/1502871982) |

## What reviewers say

### ALERTABLU

[App page](https://appshunter.io/ios/app/alertablu/id1066281688)

This app provides real-time critical event monitoring for Blumenau, including river levels and weather forecasts. Users can register locations for personalized alerts and report incidents to Civil Defense. It also offers safe evacuation routes during floods.

**Highlights:** Real-time river level monitoring, Personalized location-based alerts, Incident reporting to Civil Defense, Flood evacuation route planning, Detailed weather and event information, Critical notifications

**Features:** macOS Compatibility

**In-app purchases:** none


### Alerta Gaspar

[App page](https://appshunter.io/ios/app/alerta-gaspar/id1502871983)

Stay informed about the current situation in Gaspar with real-time alerts from Civil Defense. This application provides up-to-date information directly to your mobile device.

**Highlights:** Real-time alerts, Civil Defense information, Municipal updates, Up-to-date notifications

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

**In-app purchases:** none


## Frequently asked questions

### Is ALERTABLU free?

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

### Is Alerta Gaspar free?

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

### Do ALERTABLU or Alerta Gaspar have ads?

Neither ALERTABLU nor Alerta Gaspar shows ads.

### Which is updated more often, ALERTABLU or Alerta Gaspar?

ALERTABLU ships an update fortnightly, and Alerta Gaspar every 3 weeks. Most recently, ALERTABLU was updated on November 12, 2026 and Alerta Gaspar on November 11, 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.*