# HSvu vs splotRF

The clearest difference is rating: splotRF at 5.0 against HSvu's 3.0. splotRF also leads on update cadence (every 10 days vs every 9 months). HSvu's advantage is iOS requirement (11.0 vs 18.0). 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.

splotRF holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

HSvu ships an update every 9 months, splotRF every 10 days. The most recent releases landed on October 13, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | HSvu | splotRF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/hsvu/id1022333171/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/splotrf/id1599892560/reviews)** |
| Number of ratings | 2 | 2 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 10 days** |
| Monetization | Free | Free |
| Size | 44 MB | 6 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Malvern Panalytical B.V.](https://appshunter.io/developer/1022333170) | [DirectRF](https://appshunter.io/developer/1572692412) |

## What reviewers say

### HSvu

[App page](https://appshunter.io/ios/app/hsvu/id1022333171)

View and report details from X-ray diffraction analyses performed by specialized software. Supports numerous file formats and offers multiple graphical views for detailed examination of scan data.

**Highlights:** View X-ray diffraction scans in multiple formats, Display and report analysis details from HighScore software, Six graphical views for references, scans, and graphs, Pan and zoom for detailed inspection, Overview of measurement conditions and data, Switch between graphics and text, Create reports from diffraction documents

**Features:** macOS Compatibility

**In-app purchases:** none


### splotRF

[App page](https://appshunter.io/ios/app/splotrf/id1599892560)

Visualize and analyze touchstone S-parameter data with interactive plots. Supports multiple file overlays, stability calculations, and various matrix conversions. Export data in vector graphics formats.

**Highlights:** Plot .snp format S-parameter data, Stability circles and µ/µ' analysis, Overlay multiple trace data, View data as a table, S/Y/Z matrix conversion, Smith Chart, Polar, and Rectangular plots, Export to PDF

**In-app purchases:** none


## Frequently asked questions

### Is HSvu free?

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

### Is splotRF free?

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

### Which has better reviews, HSvu or splotRF?

splotRF is rated higher. HSvu averages 3.0 out of 5 from 2 ratings, while splotRF averages 5.0 from 2 ratings.

### Do HSvu or splotRF have ads?

Neither HSvu nor splotRF shows ads.

### Which is updated more often, HSvu or splotRF?

HSvu ships an update every 9 months, and splotRF every 10 days. Most recently, HSvu was updated on October 13, 2026 and splotRF on September 28, 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.*