# Smartlink Security vs Quantum Plus

The clearest difference is rating: Quantum Plus at 4.8 against Smartlink Security's 2.3. Quantum Plus also leads on update cadence (every 4 weeks vs every 2 months). Smartlink Security's advantage is review sentiment (9% vs 0%) and iOS requirement (13.0 vs 15.0). 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.

Quantum Plus holds the better App Store score, 4.8 against 2.3. Both are backed by a comparable volume of ratings — 103 and 83 respectively. Written reviews complicate that: 9% of Smartlink Security's written reviews are positive against 0% of Quantum Plus's, so the app with the better star average is not the one people write more warmly about.

Smartlink Security ships an update every 2 months, Quantum Plus every 4 weeks. The most recent releases landed on September 21, 2026 and August 18, 2026 respectively.

## The numbers

| Metric | Smartlink Security | Quantum Plus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (103 ratings)](https://appshunter.io/ios/app/smartlink-security/id1266830174/reviews) | **[4.8 (83 ratings)](https://appshunter.io/ios/app/quantum-plus/id1591106415/reviews)** |
| Number of ratings | **103** | 83 |
| Positive reviews | **9.1% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | Free | Free |
| Size | 101 MB | 376 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [SecureNet Technologies, LLC](https://appshunter.io/developer/890342713) | [Safe Home Security Inc](https://appshunter.io/developer/1022677683) |

## What reviewers say

### Smartlink Security

[App page](https://appshunter.io/ios/app/smartlink-security/id1266830174)

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

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

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Two-way voice and camera functionality
- 💡 New 'Recipes' feature for event recording
- 👍 Works well with specific systems (e.g., iotega)
- 👍 Responsive and works every time (for some users)

**What reviewers complain about**

- 🐛 Frequent app crashes
- 🐛 App does not open
- 🐛 Login issues (slow, fails, freezes)
- 🐛 Connectivity problems (no connection, disconnects)
- 🐛 App settings reset after updates

**Reported bugs**

- App crashes instantly on opening
- App keeps crashing, forcing reinstallation
- App crashes when trying to disarm
- Login fails with 'Json parser error: Unrecognized token '<''
- Secure Connection Error / No Connection

**Requested features**

- Add text alerts for specific zones
- Allow logging out after closing the app
- Enable push notifications for alarm events
- Improve integration with other security apps (Arlo, SkyBell)
- Add widget for iOS


### Quantum Plus

[App page](https://appshunter.io/ios/app/quantum-plus/id1591106415)

Manage your security system, cameras, and connected devices remotely. Enjoy interactive security features and home control from any location worldwide.

**Highlights:** Interactive security management, Home device control, Video monitoring, Remote access, Connected device integration

**In-app purchases:** none


## Frequently asked questions

### Is Smartlink Security free?

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

### Is Quantum Plus free?

Quantum Plus is free to download, with no in-app purchases.

### Which has better reviews, Smartlink Security or Quantum Plus?

Quantum Plus is rated higher. Smartlink Security averages 2.3 out of 5 from 103 ratings, while Quantum Plus averages 4.8 from 83 ratings.

### Do Smartlink Security or Quantum Plus have ads?

Neither Smartlink Security nor Quantum Plus shows ads.

### Which is updated more often, Smartlink Security or Quantum Plus?

Smartlink Security ships an update every 2 months, and Quantum Plus every 4 weeks. Most recently, Smartlink Security was updated on September 21, 2026 and Quantum Plus on August 18, 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.*