# Cavius Alarm vs Sincely

The clearest difference is in-app purchases: Cavius Alarm at none against Sincely's 1. Cavius Alarm also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). Sincely's advantage is update cadence (every 4 days vs every 3 months). On price and ads there is nothing between them.

Both are free to download. Sincely sells 1 one-off in-app purchase. Cavius Alarm asks for nothing beyond the download.

Cavius Alarm ships an update every 3 months, Sincely every 4 days. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Cavius Alarm | Sincely |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 81 MB | 4 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [A/S Cosesy Ltd](https://appshunter.io/developer/926207947) | [STEFFEN ANDREAS HANSEN](https://appshunter.io/developer/1847372116) |

## What reviewers say

### Cavius Alarm

[App page](https://appshunter.io/ios/app/cavius-alarm/id1377191418)

This app connects to a specific brand of smart home safety devices, allowing remote monitoring and management. Receive instant alerts for fire, water leaks, or break-ins, and manage device status and battery levels from anywhere.

**Highlights:** Remote device monitoring, Instant push and email notifications, Customizable device and hub names, Event tracking and sensor identification, Device testing and battery status alerts, Forward alarms to contacts

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

**In-app purchases:** none


### Sincely

[App page](https://appshunter.io/ios/app/sincely/id6754248728)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Upgrade | $4.99 | one-time |


## Frequently asked questions

### Is Cavius Alarm free?

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

### Is Sincely free?

Sincely is free to download, with in-app purchases available.

### Do Cavius Alarm or Sincely have ads?

Neither Cavius Alarm nor Sincely shows ads.

### Which is updated more often, Cavius Alarm or Sincely?

Cavius Alarm ships an update every 3 months, and Sincely every 4 days. Most recently, Cavius Alarm was updated on October 26, 2026 and Sincely on October 25, 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.*