# Alarm Relay vs Smartlink+

The clearest difference is rating: Smartlink+ at 5.0 against Alarm Relay's 3.7. Smartlink+ also leads on review sentiment (100% vs 67%) and update cadence (every 2 months vs every 5 months). Alarm Relay's advantage is ratings volume (13 vs 4) and iOS requirement (6.1 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Smartlink+ holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 13 and 4 respectively. Written reviews point the same way: 67% of Alarm Relay's written reviews are positive against 100% of Smartlink+'s.

Alarm Relay ships an update every 5 months, Smartlink+ every 2 months. The most recent releases landed on August 24, 2026 and August 23, 2026 respectively.

## The numbers

| Metric | Alarm Relay | Smartlink+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (13 ratings)](https://appshunter.io/ios/app/alarm-relay/id1137021227/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/smartlink-plus/id1492504608/reviews)** |
| Number of ratings | **13** | 4 |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 40 MB | 59 MB |
| Requires iOS | **6.1** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Alarm Relay](https://appshunter.io/developer/1137021226) | [SecureNet Technologies, LLC](https://appshunter.io/developer/890342713) |

## What reviewers say

### Alarm Relay

[App page](https://appshunter.io/ios/app/alarm-relay/id1137021227)

Control your entire home security system, cameras, lights, and other connected devices remotely. Receive instant notifications for alarms or system changes, and view live video feeds from your cameras. Requires an existing account with the service.

**Highlights:** Remote arm/disarm of security system, Real-time alarm notifications, Live video streaming from cameras, Control Z-Wave home automation devices, Text and email alerts

**Features:** macOS Compatibility

**In-app purchases:** none


### Smartlink+

[App page](https://appshunter.io/ios/app/smartlink-plus/id1492504608)

Control your home security system remotely. Arm/disarm, view live camera feeds, and manage connected devices like locks, lights, and thermostats from your smartphone or smartwatch.

**Highlights:** Remote arm/disarm, Live camera feed viewing, Smart lock and light control, Thermostat adjustment, System activity review, Customizable alerts, Multi-property management

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Alarm Relay free?

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

### Is Smartlink+ free?

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

### Which has better reviews, Alarm Relay or Smartlink+?

Smartlink+ is rated higher. Alarm Relay averages 3.7 out of 5 from 13 ratings, while Smartlink+ averages 5.0 from 4 ratings.

### Do Alarm Relay or Smartlink+ have ads?

Neither Alarm Relay nor Smartlink+ shows ads.

### Which is updated more often, Alarm Relay or Smartlink+?

Alarm Relay ships an update every 5 months, and Smartlink+ every 2 months. Most recently, Alarm Relay was updated on August 24, 2026 and Smartlink+ on August 23, 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.*