Comparison

Harmonic Wave Equation Calc vs Shielding Tester

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Harmonic Wave Equation Calc

This physics and math calculator quickly determines wave properties like displacement, velocity, and amplitude. It provides instant calculations with copyable results and includes reference formulas. Optimized for everyday use, it supports high precision and various units.

Highlights
  • Instant wave calculations
  • Copyable results
  • Included reference formulas
  • Supports 16 decimal places
  • Multiple unit support
  • Ad-free and private
Features
Read full description

Harmonic Wave Equation Calculator is a physics/math calculator used to find the displacement of a given point along the wave, the position of that point, the time point, wave velocity, wavelength, amplitude, or initial phase of the wave quickly and easily. Features: - Instant calculation. - Results are copyable to other apps. - Formulas are included as references. - Supports up to 16 decimal places. - Supports various units for each input. - Works seamlessly on both iPhone and iPad. - Lightweight, compact app optimized for everyday use. - Ad-free and built with privacy in mind. A harmonic of such a wave is a wave with a frequency that is a positive integer multiple of the frequency of the original wave, known as the fundamental frequency. The original wave is also called the 1st harmonic; the following harmonics are known as higher harmonics. Formula: y = A * sin[(2π / λ) * (x - vt) + Φ] where: y - displacement of a given point along the wave x - position of that point (its distance from the source) t - time point v - wave velocity λ - wavelength A - amplitude Φ - initial phase of the wave Thank you for your support, and feel free to visit nitrio.com for more apps for your iOS devices.

About

Shielding Tester

Features
Read full description

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

Harmonic Wave Equation Calc4 screens
Shielding Tester4 screens

Verdict

The call

The clearest difference is price: Shielding Tester at Free against Harmonic Wave Equation Calc's $2.99. Shielding Tester also leads on update cadence (every 7 months vs every 31 months). Harmonic Wave Equation Calc's advantage is iOS requirement (13 vs 15.6). On ads, in-app purchases and device support 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

CostPrice · In-app purchases · Ads · Monetization

Shielding Tester is free to download; Harmonic Wave Equation Calc costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Harmonic Wave Equation Calc ships an update every 31 months, Shielding Tester every 7 months. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.

Scorecard3 real differences · 6 level
Harmonic Wave Equation Calc versus Shielding Tester: the parameters behind the verdict, then further details
ParameterHarmonic Wave Equation CalcShielding Tester
Price$2.99Free — better
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 31 monthsEvery 7 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13 — better15.6
Further details — not scored
Size1 MB13 MB
Age rating4+4+
DeveloperNitrioVelter KZ

In-app purchases

None

Harmonic Wave Equation Calc

No in-app purchases

None

Shielding Tester

No in-app purchases

Questions

Is Harmonic Wave Equation Calc free?
Harmonic Wave Equation Calc costs $2.99, with no in-app purchases.
Is Shielding Tester free?
Shielding Tester is free to download, with no in-app purchases.
Do Harmonic Wave Equation Calc or Shielding Tester have ads?
Neither Harmonic Wave Equation Calc nor Shielding Tester shows ads.
Which is updated more often, Harmonic Wave Equation Calc or Shielding Tester?
Harmonic Wave Equation Calc ships an update every 31 months, and Shielding Tester every 7 months. Most recently, Harmonic Wave Equation Calc was updated on November 2, 2026 and Shielding Tester on November 7, 2026.

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