# Sector Alarm vs CTC Connect

The clearest difference is update cadence: Sector Alarm at fortnightly against CTC Connect's every 3 months. CTC Connect's advantage is iOS requirement (8.0 vs 16.0). 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.

Sector Alarm ships an update fortnightly, CTC Connect every 3 months. The most recent releases landed on October 26, 2026 and December 19, 2025 respectively.

## The numbers

| Metric | Sector Alarm | CTC Connect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (35 ratings)](https://appshunter.io/ios/app/sector-alarm/id632634458/reviews)** | — |
| Number of ratings | **35** | — |
| Positive reviews | 56.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | Free | — |
| Size | 222 MB | 54 MB |
| Requires iOS | 16.0 | **8.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sector Alarm](https://appshunter.io/developer/632634461) | [CTC AB](https://appshunter.io/developer/939576396) |

## What reviewers say

### Sector Alarm

[App page](https://appshunter.io/ios/app/sector-alarm/id632634458)

Control your home security system remotely, arm or disarm it, and monitor your property. Receive alerts for open windows, check temperatures, and manage access for family and friends. You can also control smart lights, appliances, and locks.

**Highlights:** Remote arm/disarm, Temperature & humidity monitoring, Open/closed window status, Activity log viewing, On-demand photo snapshots, Smart plug control, Remote lock/unlock

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

**In-app purchases:** none


### CTC Connect

[App page](https://appshunter.io/ios/app/ctc-connect/id939576397)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sector Alarm free?

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

### Is CTC Connect free?

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

### Do Sector Alarm or CTC Connect have ads?

Neither Sector Alarm nor CTC Connect shows ads.

### Which is updated more often, Sector Alarm or CTC Connect?

Sector Alarm ships an update fortnightly, and CTC Connect every 3 months. Most recently, Sector Alarm was updated on October 26, 2026 and CTC Connect on December 19, 2025.

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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.*