# VSE vs splotRF

The clearest difference is update cadence: splotRF at every 10 days against VSE's every 2 months. splotRF also leads on device support (3 vs 1). VSE's advantage is iOS requirement (10.0 vs 18.0). On price, rating, ratings volume 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.

On the App Store both sit at effectively the same score — 5.0 for VSE against 5.0 for splotRF. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

VSE ships an update every 2 months, splotRF every 10 days. The most recent releases landed on October 3, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | VSE | splotRF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/vse-1100/id863368574/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/splotrf/id1599892560/reviews) |
| Number of ratings | **3** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Free | Free |
| Size | 21 MB | 6 MB |
| Requires iOS | **10.0** | 18.0 |
| Devices | iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [VIAVI Solutions Inc.](https://appshunter.io/developer/505552642) | [DirectRF](https://appshunter.io/developer/1572692412) |

## What reviewers say

### VSE

[App page](https://appshunter.io/ios/app/vse-1100/id863368574)

This app works with a specialized hardware analyzer to troubleshoot and analyze CATV and spectrum signals. It offers a consolidated platform for preparing, deploying, and diagnosing digital cable issues from headend to premise.

**Highlights:** CATV and spectrum signal analysis, Noise troubleshooting platform, Remote PHY and CCAP support, Spectrum, MPEG, and QAM measurements, Automatic network scan and detect, Upstream test modes

**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 VSE free?

VSE 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, VSE or splotRF?

VSE and splotRF are both rated 5.0 out of 5 on the App Store, from 3 and 2 ratings respectively.

### Do VSE or splotRF have ads?

Neither VSE nor splotRF shows ads.

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

VSE ships an update every 2 months, and splotRF every 10 days. Most recently, VSE was updated on October 3, 2026 and splotRF 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.*