RF Tools vs Shielding Tester
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RF Tools
This utility app helps engineers and students calculate and convert RF-specific values like impedance, wavelength, and return loss. It also includes a calculator for comparing RF cables and assemblies, and provides access to product catalogs and branch information.
- RF value conversion (impedance, wavelength, return loss)
- RF assembly calculator
- dB calculator
- Product catalog access
- Branch locator
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The RF Tools App from HUBER+SUHNER AG is a useful tool, which shows the relation between RF specific values like impedance, wave length, return loss (VSWR) and signal delay including their conversion. On top of this, the RF Assembly Calculator provides an easy comparison of H+S RF cables and assemblies in different configurations and in different environments. It offers a straight access to technical specifications such as insertion loss and power rating. Above all, engineers and students will love this handy and helpful tool. Content Tools Reflection measurement (Return loss - VSWR) Frequency wavelength (Wavelength calculation) Signal delay (Signal delay - Dielectric constant - Velocity in % of speed of light) Impedance dimension (calculation of impedance of coaxial line) dB Calculator (dB Ratio / Watt - dBm) RF Assembly Calculator (comparison of up to three HUBER+SUHNER RF cables) Used formulas are explained in detail by meaningful pictures. Products Provides an overview of HUBER+SUHNER products such as cables, connectors, antennas, lightning protectors and passive components with the help of the product catalogues. Branches Find the nearest branch and displays your contact person Overview about all HUBER+SUHNER AG branches worldwide ========== HUBER+SUHNER, the global company with headquarters in Switzerland, develops and produces components and system solutions for electrical and optical connectivity. HUBER+SUHNER serves customers in the three markets of communication, transportation, and industrial with cables, connectors, and systems developed for the three core technologies of radio frequency, fiber optics and low frequency. HUBER+SUHNER products stand for highest performance, quality, reliability and longevity, even under demanding conditions. The company's global production network, combined with group companies and subsidiaries, ensures that HUBER+SUHNER is close to its customers in over 60 countries. Further information on the company is available at hubersuhner.com
Shielding Tester
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Shielding Tester is designed for quick testing of shielding boxes, cases, bags, and other devices that block radio signals based on the Faraday cage principle. The application measures signal strengths across a range of mobile communication standards, including GSM/2G/3G/4G/5G, Wi-Fi 2.4/5 GHz, and Bluetooth. It provides insights on how effectively these devices block radio signals across various frequencies, assisting in the verification of the performance of Faraday cage devices and accessories. ‣ Test the effectiveness of your Faraday cage within a minute; ‣ Get test results on cellular, Wi-Fi, and Bluetooth frequencies; ‣ Sign in to unlock access to advanced features. FARADAY CAGE ASSESSMENT Determine the effectiveness of your signal-blocking gear! - Open the app. - Initiate the test. - Place your phone inside the Faraday enclosure. - Listen for the sound indication of test completion. - Receive information on your shielding sleeve, box, or bag's efficiency. PERSONAL DASHBOARD Access your account to explore extra features! Store your test results and forward them via email. SHOP In case your Faraday cage underperforms and permits signal leakage, you have the convenience to acquire a tested and guaranteed shielding solution directly from the app. DISCLAIMER On iOS 11 and later, the measurement approach used by the app may exhibit a potential deviation of ±5 dBm. Please be aware that the results provided are approximations, intended to offer a general idea of signal levels and shielding performance, rather than exact measurements.
Screenshots
Verdict
RF Tools and Shielding Tester are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
RF Tools ships an update every 14 months, Shielding Tester every 7 months. The most recent releases landed on June 9, 2026 and September 9, 2026 respectively.
| Parameter | RF Tools | Shielding Tester |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (3 ratings) — better | — |
| Positive reviews | 60.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 14 months | Every 7 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 12 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | HUBER + SUHNER AG | Velter KZ |
In-app purchases
RF Tools
No in-app purchases
Shielding Tester
No in-app purchases









