# Caern vs CITmax

The clearest difference is iOS requirement: CITmax at 12.4 against Caern's 15.6. 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.

Caern ships an update every 5 months, CITmax every 4 months. The most recent releases landed on October 4, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Caern | CITmax |
| --- | --- | --- |
| 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 4 months** |
| Monetization | Free | — |
| Size | 27 MB | 17 MB |
| Requires iOS | 15.6 | **12.4** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Caern - Companhia de Aguas e Esgotos do Rio Grande do Norte](https://appshunter.io/developer/1229833153) | [R3R](https://appshunter.io/developer/1723951668) |

## 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


### CITmax

[App page](https://appshunter.io/ios/app/citmax/id1625618173)

**In-app purchases:** none


## Frequently asked questions

### Is Caern free?

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

### Is CITmax free?

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

### Do Caern or CITmax have ads?

Neither Caern nor CITmax shows ads.

### Which is updated more often, Caern or CITmax?

Caern ships an update every 5 months, and CITmax every 4 months. Most recently, Caern was updated on October 4, 2026 and CITmax on September 30, 2026.

---

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