FieldFox vs R&S MobileView
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FieldFox
This application allows for remote viewing and control of Keysight FieldFox handheld analyzers. Mirror the instrument's display on your iOS device and access product documentation. Full remote control requires a specific instrument option.
- Remote viewing of FieldFox instruments
- Full remote control with option 030
- Instrument display mirroring
- Access to product manuals and brochures
- View and share documentation
- Portrait and landscape orientation support
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For Use with Keysight Technologies FieldFox handheld analyzers. Provides remote viewing capability for FieldFox instruments, or full remote control if the FieldFox is outfitted with instrument remote connectivity option 030. Contact Keysight Technologies for details on option 030. The FieldFox Remote Viewer application is used to remotely monitor or remotely control a FieldFox instrument. Connect FieldFox to wired LAN and power, then connect your IOS device to WIFI or cellular to remotely monitor or control the instrument. Once connected, the instrument display is mirrored to the IOS device. If the FieldFox has been outfitted with instrument option 030, full remote control can be performed from the iPod, iPhone or iPad (running IOS 7.1 or later). Portrait and Landscape orientations are supported with Landscape providing a full screen view of the data screen (with popup keyboard), and portrait providing a visual representation of the FieldFox display and keyboard together. Included in the app is a variety of online resources including product manuals, brochures, app notes, and training videos. Product documentation can be viewed and shared with third party apps such as iBooks, for offline storing and viewing. (Note WIFI or cellular connection required for all documentation content except the Intro Video, which is locally stored in the app). Connections to the remote FieldFox instrument can be made from anywhere the IOS device has network connections that can reach the instrument LAN connection. Note: Using cellular connectivity may produce slower connection response than WIFI, and may incur carrier data usage charges. Note: For remote viewing or remote control, a FieldFox instrument (not included) is required. Contact Keysight via the support link for information on how to purchase a FieldFox instrument for use with this program. Note: For remote viewing only, no additional FieldFox instrument licenses are required. For full remote control, FieldFox instrument option 030 is required. Contact Keysight Technologies for full details on how to outfit a FieldFox with this option.
R&S MobileView
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.
- Remote instrument monitoring
- Instrument control
- File transfer utility
- IP address connection
- Local network scanning
- Instrument-specific remote control environment
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R&S Mobile View enables you to conveniently monitor and control Rohde & Schwarz Value instruments on your iPad or iPhone. The built-in File Transfer utility allows for easy file management between the instrument and your mobile device. After starting R&S Mobile View you can easily connect to an instrument anywhere in the world using its IP address or automatically scan for supported devices in your local network. Once a connection has been established, you will automatically be presented with the Remote Control environment tailored for your instrument type. Navigating through the App is done using a menu which is easily accessible by swiping from the left side of the screen. For larger screen sizes, this menu is shown by default when in landscape mode. The File Transfer utility is accessible through the menu and consists of an upper region displaying the local storage on your mobile device and a lower region displaying the file system on your Rohde & Schwarz instrument. To transfer a file or directory, simply long press a desired item and tap the blue transfer button in the bottom-right corner. Further actions such as creating, removing and sharing items are available through the dedicated popup-menus found on the right side of the breadcrumb paths. R&S Mobile View currently supports instrument series FSH4, ZVH, FSC, FPH, FPC, ZPH and ZNH.
Screenshots
Verdict
The clearest difference is rating: R&S MobileView at 5.0 against FieldFox's 4.0. FieldFox's advantage is ratings volume (4 vs 1) and iOS requirement (12.0 vs 14.0). On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
R&S MobileView holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively.
FieldFox ships an update every 12 months, R&S MobileView every 15 months. The most recent releases landed on October 18, 2026 and October 29, 2026 respectively.
| Parameter | FieldFox | R&S MobileView |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (4 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | 1 |
| Update frequency | Every 12 months — better | Every 15 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 27 MB | 112 MB |
| Age rating | 4+ | 4+ |
| Developer | Keysight Technologies, Inc. | Rohde & Schwarz GmbH & Co. KG |
Customer experience
FieldFox
R&S MobileView
In-app purchases
FieldFox
No in-app purchases
R&S MobileView
No in-app purchases








