# ADT (Alder) Home Security vs SmartTech Pro

The clearest difference is review sentiment: SmartTech Pro at 100% against ADT (Alder) Home Security's 0%. SmartTech Pro also leads on rating (5.0 vs 1.9). ADT (Alder) Home Security's advantage is ratings volume (11 vs 1). On price, update cadence, 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.

SmartTech Pro holds the better App Store score, 5.0 against 1.9. That said, the two scores are not equally well evidenced: ADT (Alder) Home Security has 11 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of ADT (Alder) Home Security's written reviews are positive against 100% of SmartTech Pro's.

ADT (Alder) Home Security ships an update every 5 months, SmartTech Pro every 6 months. The most recent releases landed on October 22, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | ADT (Alder) Home Security | SmartTech Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.9 (11 ratings)](https://appshunter.io/ios/app/adt-alder-home-security/id6504260344/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/smarttech-pro/id6745480315/reviews)** |
| Number of ratings | **11** | 1 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 6 months |
| Monetization | Free | Free |
| Size | 133 MB | 72 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ADT LLC](https://appshunter.io/developer/355736426) | [SecureNet Technologies, LLC](https://appshunter.io/developer/890342713) |

## What reviewers say

### 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


### SmartTech Pro

[App page](https://appshunter.io/ios/app/smarttech-pro/id6745480315)

This app streamlines security system account management for professionals. It offers secure sign-in, advanced search, troubleshooting tools, service upgrade assistance, and firmware management to enhance efficiency and customer support.

**Highlights:** Secure installer sign-in, Advanced account search and filtering, Troubleshooting tools, Service upgrade assistance, Firmware management

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

**In-app purchases:** none


## Frequently asked questions

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

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

### Is SmartTech Pro free?

SmartTech Pro is free to download, with no in-app purchases.

### Which has better reviews, ADT (Alder) Home Security or SmartTech Pro?

SmartTech Pro is rated higher. ADT (Alder) Home Security averages 1.9 out of 5 from 11 ratings, while SmartTech Pro averages 5.0 from 1 ratings.

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

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

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

ADT (Alder) Home Security ships an update every 5 months, and SmartTech Pro every 6 months. Most recently, ADT (Alder) Home Security was updated on October 22, 2026 and SmartTech Pro on October 9, 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.*