# Smartlink+ vs ADT (Alder) Home Security

The clearest difference is review sentiment: Smartlink+ at 100% against ADT (Alder) Home Security's 0%. Smartlink+ also leads on rating (5.0 vs 1.9) and update cadence (every 2 months vs every 5 months). On price, ratings volume, 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.

Smartlink+ holds the better App Store score, 5.0 against 1.9. Both are backed by a comparable volume of ratings — 4 and 11 respectively. Written reviews point the same way: 100% of Smartlink+'s written reviews are positive against 0% of ADT (Alder) Home Security's.

Smartlink+ ships an update every 2 months, ADT (Alder) Home Security every 5 months. The most recent releases landed on October 7, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Smartlink+ | ADT (Alder) Home Security |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/smartlink-plus/id1492504608/reviews)** | [1.9 (11 ratings)](https://appshunter.io/ios/app/adt-alder-home-security/id6504260344/reviews) |
| Number of ratings | 4 | **11** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Free | Free |
| Size | 59 MB | 133 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SecureNet Technologies, LLC](https://appshunter.io/developer/890342713) | [ADT LLC](https://appshunter.io/developer/355736426) |

## What reviewers say

### 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


### ADT (Alder) Home Security

[App page](https://appshunter.io/ios/app/adt-alder-home-security/id6504260344)

Manage your home security and smart devices from anywhere. Receive real-time alerts, control lighting, climate, cameras, and more. Monitor live video feeds and record events for peace of mind.

**Highlights:** Remote system arm/disarm, Real-time alarm alerts, Live video monitoring, Event recording, Smart device control (lights, climate, locks), Instant notifications

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Smartlink+ free?

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

### Is ADT (Alder) Home Security free?

ADT (Alder) Home Security is free to download, with no in-app purchases.

### Which has better reviews, Smartlink+ or ADT (Alder) Home Security?

Smartlink+ is rated higher. Smartlink+ averages 5.0 out of 5 from 4 ratings, while ADT (Alder) Home Security averages 1.9 from 11 ratings.

### Do Smartlink+ or ADT (Alder) Home Security have ads?

Neither Smartlink+ nor ADT (Alder) Home Security shows ads.

### Which is updated more often, Smartlink+ or ADT (Alder) Home Security?

Smartlink+ ships an update every 2 months, and ADT (Alder) Home Security every 5 months. Most recently, Smartlink+ was updated on October 7, 2026 and ADT (Alder) Home Security on October 22, 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.*