# Alder Security vs ADT (Alder) Home Security

The clearest difference is ratings volume: Alder Security at 191 against ADT (Alder) Home Security's 11. Alder Security also leads on iOS requirement (11.0 vs 15.0). On price, rating, review sentiment and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 2.1 for Alder Security against 1.9 for ADT (Alder) Home Security. That said, the two scores are not equally well evidenced: Alder Security has 191 ratings behind it against 11, so its average is the more settled of the two. Written reviews are what separate them: 6% of Alder Security's written reviews are positive against 0% of ADT (Alder) Home Security's.

Alder Security ships an update every 6 months, ADT (Alder) Home Security every 5 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Alder Security | ADT (Alder) Home Security |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.1 (191 ratings)](https://appshunter.io/ios/app/alder-security/id1267996005/reviews)** | [1.9 (11 ratings)](https://appshunter.io/ios/app/adt-alder-home-security/id6504260344/reviews) |
| Number of ratings | **191** | 11 |
| Positive reviews | **5.9% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 months** |
| Monetization | Free | Free |
| Size | 119 MB | 133 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alder Holdings, LLC](https://appshunter.io/developer/1083656127) | [ADT LLC](https://appshunter.io/developer/355736426) |

## What reviewers say

### Alder Security

[App page](https://appshunter.io/ios/app/alder-security/id1267996005)

Manage your home's security, lighting, climate, and cameras from one place. Receive real-time alerts, remotely arm/disarm your system, and monitor live video feeds. Control various connected devices like locks and thermostats for comprehensive home automation.

**Highlights:** Remote security system control, Real-time alarm status and alerts, Live video monitoring, Event recording for cameras, Control lights, locks, and thermostats, Monitor multiple cameras

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Professional installation and setup
- ✅ System functionality works when properly configured
- 📱 Simple and intuitive interface design
- 🎥 Multi-camera support on single app
- 🔐 Face ID support available

**What reviewers complain about**

- 🐛 App crashes and freezes constantly
- 📵 Persistent login and authentication issues
- ⚠️ Unreliable push notifications
- 🔌 Poor connectivity and offline errors
- ⏱️ Slow app performance and lag

**Reported bugs**

- App requires constant re-login despite 'remember me' selection
- Password reset page unresponsive
- Camera feed takes 5+ minutes to load or fails entirely
- App crashes when viewing indoor cameras
- Notifications not clearing from notification center

**Requested features**

- Granular notification settings per camera
- Customizable notification sounds for doorbell
- Thermostat scheduling automation
- Improved activity log descriptions
- Separate app for indoor and outdoor cameras consolidation


### 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 Alder Security free?

Alder Security 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, Alder Security or ADT (Alder) Home Security?

Alder Security is rated higher. Alder Security averages 2.1 out of 5 from 191 ratings, while ADT (Alder) Home Security averages 1.9 from 11 ratings.

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

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

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

Alder Security ships an update every 6 months, and ADT (Alder) Home Security every 5 months. Most recently, Alder Security was updated on November 3, 2026 and ADT (Alder) Home Security on November 4, 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.*