# S1 Server Calculator vs Global Skywave

The clearest difference is ads: S1 Server Calculator at none against Global Skywave's shown. S1 Server Calculator also leads on monetization model (free vs ad-supported) and iOS requirement (12.1 vs 15.6). Global Skywave's advantage is ratings volume (11 vs 1). On price, rating, in-app purchases and device support there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for S1 Server Calculator against 5.0 for Global Skywave. That said, the two scores are not equally well evidenced: Global Skywave has 11 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | S1 Server Calculator | Global Skywave |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/s1-server-calculator/id1495373582/reviews) | [5.0 (11 ratings)](https://appshunter.io/ios/app/global-skywave/id6498862229/reviews) |
| Number of ratings | 1 | **11** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Daily |
| Monetization | **Free** | Ad-supported |
| Size | 34 MB | 79 MB |
| Requires iOS | **12.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [General Electric Company](https://appshunter.io/developer/369181842) | [Noah Clark](https://appshunter.io/developer/1708029582) |

## What reviewers say

### S1 Server Calculator

[App page](https://appshunter.io/ios/app/s1-server-calculator/id1495373582)

Estimate the total load and storage requirements for a System 1 Server. Configure machine specifications and enterprise details to get precise calculations for your server needs.

**Highlights:** Estimate System 1 Server load, Calculate storage requirements, Configure machine specifications, Detail enterprise configuration, Real-time calculation updates

**In-app purchases:** none


### Global Skywave

[App page](https://appshunter.io/ios/app/global-skywave/id6498862229)

Discover and connect with radio operators worldwide on a real-time map. Communicate directly with others, receive custom alerts, and utilize built-in calculation tools for radio operations. This app makes global radio communication accessible and engaging.

**Highlights:** Real-time operator map, Direct operator messaging, Customizable alerts, Built-in calculation tools, Detailed station profiles

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is S1 Server Calculator free?

S1 Server Calculator is free to download, with no in-app purchases.

### Is Global Skywave free?

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

### Which has better reviews, S1 Server Calculator or Global Skywave?

S1 Server Calculator and Global Skywave are both rated 5.0 out of 5 on the App Store, from 1 and 11 ratings respectively.

### Do S1 Server Calculator or Global Skywave have ads?

Global Skywave shows ads; S1 Server Calculator does not.

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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.*