# Caern vs 30 de Setembro

The clearest difference is update cadence: Caern at every 5 months against 30 de Setembro's every 10 months. 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.

Caern ships an update every 5 months, 30 de Setembro every 10 months. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Caern | 30 de Setembro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/caern/id1441305342/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 76.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 10 months |
| Monetization | Free | — |
| Size | 27 MB | 86 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Caern - Companhia de Aguas e Esgotos do Rio Grande do Norte](https://appshunter.io/developer/1229833153) | [Apetrus Solucoes Tecnologicas LTDA](https://appshunter.io/developer/1475980210) |

## What reviewers say

### Caern

[App page](https://appshunter.io/ios/app/caern/id1441305342)

This utility app serves as a communication channel for users to request emergency services like water outages and leaks. It also allows for viewing open bills and records, and finding service locations.

**Highlights:** Emergency service requests, View open bills, View open records, Find service locations, Water outage reporting, Leak reporting

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

**In-app purchases:** none


### 30 de Setembro

[App page](https://appshunter.io/ios/app/30-de-setembro/id6737613234)

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

**In-app purchases:** none


## Frequently asked questions

### Is Caern free?

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

### Is 30 de Setembro free?

30 de Setembro is free to download, with no in-app purchases.

### Do Caern or 30 de Setembro have ads?

Neither Caern nor 30 de Setembro shows ads.

### Which is updated more often, Caern or 30 de Setembro?

Caern ships an update every 5 months, and 30 de Setembro every 10 months. Most recently, Caern was updated on October 13, 2026 and 30 de Setembro on October 7, 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.*