# Unit Conversion vs ServerGuard24

The clearest difference is price: ServerGuard24 at Free against Unit Conversion's $0.99. ServerGuard24 also leads on review sentiment (100% vs 74%). Unit Conversion's advantage is rating (4.6 vs 2.5) and ratings volume (102 vs 2). On ads, in-app purchases, monetization model and device support there is nothing between them.

ServerGuard24 is free to download; Unit Conversion costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Unit Conversion holds the better App Store score, 4.6 against 2.5. That said, the two scores are not equally well evidenced: Unit Conversion has 102 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 74% of Unit Conversion's written reviews are positive against 100% of ServerGuard24's, so the app with the better star average is not the one people write more warmly about.

Unit Conversion ships an update every 3 months, ServerGuard24 every 7 months. The most recent releases landed on September 26, 2026 and August 5, 2026 respectively.

## The numbers

| Metric | Unit Conversion | ServerGuard24 |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.6 (102 ratings)](https://appshunter.io/ios/app/unit-conversion-converter-and-calculator/id336359986/reviews)** | [2.5 (2 ratings)](https://appshunter.io/ios/app/serverguard24/id374530285/reviews) |
| Number of ratings | **102** | 2 |
| Positive reviews | 73.6% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 7 months |
| Monetization | Free | Free |
| Size | 3 MB | 13 MB |
| Requires iOS | **6.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Fapps World et Cie S.E.C.S.](https://appshunter.io/developer/881437066) | [ServerGuard24 GmbH](https://appshunter.io/developer/374530288) |

## What reviewers say

### Unit Conversion

[App page](https://appshunter.io/ios/app/unit-conversion-converter-and-calculator/id336359986)

Easily convert between various units with this app, featuring 16 categories like temperature, currency, and distance. It also includes standard and scientific calculators, eliminating the need to switch between apps. Frequently used units are prioritized for quick access.

**Highlights:** 16 unit categories, Standard and scientific calculators, Units sorted by frequency of use, Programmable buttons for favorites, Live currency conversion rates, Intuitive user interface

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Unit Conversion free?

Unit Conversion costs $0.99, with no in-app purchases.

### Is ServerGuard24 free?

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

### Which has better reviews, Unit Conversion or ServerGuard24?

Unit Conversion is rated higher. Unit Conversion averages 4.6 out of 5 from 102 ratings, while ServerGuard24 averages 2.5 from 2 ratings.

### Do Unit Conversion or ServerGuard24 have ads?

Neither Unit Conversion nor ServerGuard24 shows ads.

### Which is updated more often, Unit Conversion or ServerGuard24?

Unit Conversion ships an update every 3 months, and ServerGuard24 every 7 months. Most recently, Unit Conversion was updated on September 26, 2026 and ServerGuard24 on August 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.*