# R&S MobileView vs iSmith

The clearest difference is ads: R&S MobileView at none against iSmith's shown. R&S MobileView also leads on monetization model (free vs ad-supported) and iOS requirement (14.0 vs 16.0). iSmith's advantage is update cadence (every 2 days vs every 15 months). On price, rating, ratings volume 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.

On the App Store both sit at effectively the same score — 5.0 for R&S MobileView against 5.0 for iSmith. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

R&S MobileView ships an update every 15 months, iSmith every 2 days. The most recent releases landed on October 19, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | R&S MobileView | iSmith |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/r-and-s-mobileview/id1186696896/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/ismith/id6444874930/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 15 months | **Every 2 days** |
| Monetization | **Free** | Ad-supported |
| Size | 112 MB | 7 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Rohde & Schwarz GmbH & Co. KG](https://appshunter.io/developer/364229795) | [Ryoun Chon Shin](https://appshunter.io/developer/1657565687) |

## What reviewers say

### R&S MobileView

[App page](https://appshunter.io/ios/app/r-and-s-mobileview/id1186696896)

Remotely monitor and control Rohde & Schwarz instruments from your mobile device. Easily transfer files between your instrument and phone or tablet. Connect globally via IP or locally via network scan.

**Highlights:** Remote instrument monitoring, Instrument control, File transfer utility, IP address connection, Local network scanning, Instrument-specific remote control environment

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

**In-app purchases:** none


### iSmith

[App page](https://appshunter.io/ios/app/ismith/id6444874930)

This app helps users understand impedance matching principles. It allows for reading key network parameters from a Smith chart and calculating various matching networks and pads. Users can also convert between different power and voltage units.

**Highlights:** Read Smith chart parameters (Z, Y, VSWR, Q, Gamma), Calculate 8 L-matching networks, Calculate T & Pi matching pads, Set matching targets on Smith chart, Learn impedance matching principles, dBm, Watts, and Volts conversion, VSWR conversion

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is R&S MobileView free?

R&S MobileView is free to download, with no in-app purchases.

### Is iSmith free?

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

### Which has better reviews, R&S MobileView or iSmith?

R&S MobileView and iSmith are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do R&S MobileView or iSmith have ads?

iSmith shows ads; R&S MobileView does not.

### Which is updated more often, R&S MobileView or iSmith?

R&S MobileView ships an update every 15 months, and iSmith every 2 days. Most recently, R&S MobileView was updated on October 19, 2026 and iSmith on October 8, 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.*