# Smartlink Security vs Alder Mobile

The clearest difference is review sentiment: Alder Mobile at 73% against Smartlink Security's 9%. Alder Mobile also leads on rating (4.6 vs 2.3) and update cadence (every 3 weeks vs every 2 months). Smartlink Security's advantage is iOS requirement (13.0 vs 16.6). 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.

Alder Mobile holds the better App Store score, 4.6 against 2.3. That said, the two scores are not equally well evidenced: Alder Mobile has 593 ratings behind it against 103, so its average is the more settled of the two. Written reviews point the same way: 9% of Smartlink Security's written reviews are positive against 73% of Alder Mobile's.

Smartlink Security ships an update every 2 months, Alder Mobile every 3 weeks. The most recent releases landed on October 5, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Smartlink Security | Alder Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (103 ratings)](https://appshunter.io/ios/app/smartlink-security/id1266830174/reviews) | **[4.6 (593 ratings)](https://appshunter.io/ios/app/alder-mobile/id6446292373/reviews)** |
| Number of ratings | 103 | **593** |
| Positive reviews | 9.1% of reviews | **72.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 101 MB | 368 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [SecureNet Technologies, LLC](https://appshunter.io/developer/890342713) | [Alder Holdings, LLC](https://appshunter.io/developer/1083656127) |

## 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


### Alder Mobile

[App page](https://appshunter.io/ios/app/alder-mobile/id6446292373)

Manage your home's security, lighting, climate, and cameras from one place. Stay connected globally, receive real-time alerts, and monitor live video feeds. Control all your smart devices remotely for complete home automation.

**Highlights:** Remote security system control, Real-time alarm status and alerts, Live video monitoring, Event recording for cameras, Control lights, climate, and locks, Manage garage doors and other devices

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Smartlink Security free?

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

### Is Alder Mobile free?

Alder Mobile is free to download, with no in-app purchases.

### Which has better reviews, Smartlink Security or Alder Mobile?

Alder Mobile is rated higher. Smartlink Security averages 2.3 out of 5 from 103 ratings, while Alder Mobile averages 4.6 from 593 ratings.

### Do Smartlink Security or Alder Mobile have ads?

Neither Smartlink Security nor Alder Mobile shows ads.

### Which is updated more often, Smartlink Security or Alder Mobile?

Smartlink Security ships an update every 2 months, and Alder Mobile every 3 weeks. Most recently, Smartlink Security was updated on October 5, 2026 and Alder Mobile on October 13, 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.*