# ServerGuard24 vs SmartPLL

The clearest difference is rating: SmartPLL at 5.0 against ServerGuard24's 2.5. SmartPLL also leads on iOS requirement (13.1 vs 16.0). On price, ratings volume, update cadence and ads there is nothing between them.

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

SmartPLL holds the better App Store score, 5.0 against 2.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

ServerGuard24 ships an update every 7 months, SmartPLL every 11 months. The most recent releases landed on October 3, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | ServerGuard24 | SmartPLL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (2 ratings)](https://appshunter.io/ios/app/serverguard24/id374530285/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/smartpll/id1623497556/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 11 months |
| Monetization | Free | Free |
| Size | 13 MB | 1 MB |
| Requires iOS | 16.0 | **13.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ServerGuard24 GmbH](https://appshunter.io/developer/374530288) | [Z-Communications](https://appshunter.io/developer/1285508714) |

## What reviewers say

### ServerGuard24

[App page](https://appshunter.io/ios/app/serverguard24/id374530285)

Monitor servers, websites, databases, and online services directly from your iPhone. Get real-time status updates, availability, and performance insights for your critical online assets. Ensure your business processes are always running smoothly.

**Highlights:** Availability Monitoring, Performance Monitoring, Business Process Monitoring, 24/7 Downtime Alerts, Real-time Status Updates

**Features:** macOS Compatibility

**In-app purchases:** none


### SmartPLL

[App page](https://appshunter.io/ios/app/smartpll/id1623497556)

This application allows users to program and control Z-COMM SSG series Smart Phase Locked Loop (PLL) modules. Adjust frequency, sweep mode, step time, and power output via Bluetooth or USB. Features LED status indicators and a rugged design for field or benchtop use.

**Highlights:** Bluetooth programming, USB connectivity, Frequency adjustment, Sweep mode control, Step time and size configuration, Power output adjustment, LED status indicators

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

**In-app purchases:** none


## Frequently asked questions

### Is ServerGuard24 free?

ServerGuard24 is free to download, with no in-app purchases.

### Is SmartPLL free?

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

### Which has better reviews, ServerGuard24 or SmartPLL?

SmartPLL is rated higher. ServerGuard24 averages 2.5 out of 5 from 2 ratings, while SmartPLL averages 5.0 from 1 ratings.

### Do ServerGuard24 or SmartPLL have ads?

Neither ServerGuard24 nor SmartPLL shows ads.

### Which is updated more often, ServerGuard24 or SmartPLL?

ServerGuard24 ships an update every 7 months, and SmartPLL every 11 months. Most recently, ServerGuard24 was updated on October 3, 2026 and SmartPLL on October 5, 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.*