Comparison

RF Engineer Toolkit vs Dipole calculator

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

Head to head
About

RF Engineer Toolkit

This app provides a comprehensive suite of 45 RF and antenna calculators for engineers and technicians. It offers unit-tested formulas for field, site, and lab calculations, including RF exposure and impedance matching. A free version offers 16 calculators, with Pro unlocking all features and advanced options.

Highlights
  • 45 RF and antenna calculators
  • Unit-tested formulas against industry standards
  • Field and site calculations (VSWR, link budget, RF exposure)
  • Design and lab calculations (Smith chart, impedance matching, filters)
  • Everyday RF conversions (dBm, W, V)
  • Free version with 16 calculators
  • Pro version with full access and advanced features
Features
Read full description

RF Engineer Toolkit is the calculator set RF engineers, tower and DAS technicians, PCB designers, and radio amateurs reach for every day. 45 calculators, every formula unit-tested against Pozar, Balanis, ICNIRP 2020, FCC OET-65, and manufacturer cable data — with live results, locale-aware input, and no ads. FIELD AND SITE • VSWR, return loss, reflection coefficient, and mismatch loss from any one value or a wattmeter reading. • Cable loss with manufacturer coefficients (LMR, RG, Heliax, 9913), SWR loss, and ERP. • Link budget with FSPL, cable losses, gains, sensitivity, and margin. • Antenna downtilt and coverage, radio horizon, Fresnel zone with earth bulge and clearance. • RF exposure against FCC and ICNIRP limits, with safe distance for public and occupational exposure. • Antenna separation and co-site isolation, including required spacing. • Dipole, helical, and parabolic dish design, near-field boundaries, and Doppler shift. DESIGN AND LAB • Smith chart with series and shunt elements, lines and stubs, exportable as an image. • Impedance matching networks (L, Pi, T) with Q and bandwidth. • Attenuators (Pi, Tee, bridged-T, L-pad) with E24 and E96 values and real achieved attenuation. • LC filter designer: Butterworth and Chebyshev, low-pass, high-pass, band-pass, and band-stop. • Receiver chain: cascaded gain, noise figure, IP3, noise floor, and SFDR. • Amplifier linearity: P1dB, IP3, back-off, IM3, and PAE. • Microstrip, stripline, coplanar, and differential-pair impedance with synthesis and substrate presets. • Coax impedance, cable delay and phase, quarter-wave transformers, and skin depth. • Power dividers and directional couplers, S-parameter conversion, and intermodulation products. • Rectangular and circular waveguides with WR tables, cutoff, and guide wavelength. EVERYDAY CALCULATORS • dBm, dBW, W, V, dBV, dBµV, dBu, and dBi/dBd conversion. • Wavelength, reactance, resonance, time constants, Ohm's law, dividers, series and parallel circuits. FREE AND PRO 16 calculators are free, and every Pro calculator can be previewed. RF Toolkit Pro unlocks: • All 45 RF calculators. • Searchable calculation history with saved inputs. • PDF exports of calculation result sheets. • Custom cable and substrate libraries. Choose the plan that works for you: • Yearly subscription with a 7-day free trial. • Monthly subscription. • One-time lifetime purchase. Subscriptions renew automatically unless cancelled at least 24 hours before the current period ends. You can manage subscriptions in your Apple Account settings. PRIVACY No accounts. No analytics. No ads. No tracking. Your calculation history stays on your device. Privacy Policy: https://zhsystems.me/privacy-rf-engineer-toolkit-privacy-policy-terms-of-use/ Terms of Use: https://zhsystems.me/turms-rf-engineer-toolkit-terms-of-use/

About

Dipole calculator

Easily design dipole antennas with precise calculations for various configurations. This app accounts for wire diameter, crucial for UHF frequencies, providing realistic results for ham radio operators, RF engineers, and hobbyists.

Highlights
  • Accurate length & parameter calculations
  • Wire diameter effect included
  • Support for multiple dipole designs
  • Clear, intuitive interface
  • Instant updates on variable changes
Features
Read full description

Designing dipole antennas just got easier. Whether you’re a ham radio enthusiast, RF engineer, or hobbyist, this app helps you compute the essential dimensions and performance parameters for various dipole antenna configurations — and it even factors in wire diameter, which is especially critical at UHF frequencies. Key Features - Accurate length & parameter calculations — Generate precise values for half-wave, full-wave, folded, and other dipole types - Wire diameter effect included — Adjustments for conductor diameter yield more realistic results, especially at UHF - Support for multiple dipole designs — Choose among standard configurations and tailor to your needs - Clear, intuitive interface — Easy input of frequency, wire gauge, materials, and more - Instant updates — See how changes to any variable affect the resulting dimensions - Continuous improvements & fixes — Updated for stability and accuracy Why It Matters? At UHF frequencies, ignoring the effect of wire diameter can lead to significant discrepancies in antenna performance. This app bridges that gap, helping you design antennas that closely match real-world results. Who Can Benefit - Amateur radio (ham) operators - RF engineers & students - Antenna hobbyists and experimenters Anyone needing quick, reliable dipole calculations on the go In app purchase included : Lifetime Premium Privacy policy : https://privacypolicy50.wordpress.com/privacy-policy-subscription/ Terms and condition :https://privacypolicy50.wordpress.com/terms-and-condition/

Screenshots

RF Engineer Toolkit4 screens
Dipole calculator4 screens

Verdict

The call

The clearest difference is rating: RF Engineer Toolkit at 5.0 against Dipole calculator's 4.3. Dipole calculator's advantage is ratings volume (7 vs 1) and iOS requirement (13.0 vs 17.6). On price, ads, in-app purchases and monetization model 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

Both are free to download. RF Engineer Toolkit sells 3 in-app purchases, starting at $0.99 per month and Dipole calculator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

RF Engineer Toolkit holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Dipole calculator has 7 ratings behind it against 1, so its average is the more settled of the two.

Scorecard3 real differences · 7 level
RF Engineer Toolkit versus Dipole calculator: the parameters behind the verdict, then further details
ParameterRF Engineer ToolkitDipole calculator
PriceFreeFree
Rating5.0 (1 ratings) — better4.3 (7 ratings)
Positive reviews0.0% of reviews—
Number of ratings17 — better
Update frequencyEvery 2 months—
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.613.0 — better
Further details — not scored
Size12 MB43 MB
Age rating4+4+
DeveloperVladislav ZhirnovShital Gorasiya

In-app purchases

3 purchases

RF Engineer Toolkit

Subscriptions2
  • Full version / monthly$0.991 Month
  • Full version / year$4.991 Year
One-time1
  • Remove ADS$9.99
1 purchases

Dipole calculator

One-time1
  • Lifetime Purchase$8.99

Questions

Is RF Engineer Toolkit free?
RF Engineer Toolkit is free to download, with in-app purchases available.
Is Dipole calculator free?
Dipole calculator is free to download, with in-app purchases available.
Which has better reviews, RF Engineer Toolkit or Dipole calculator?
RF Engineer Toolkit is rated higher. RF Engineer Toolkit averages 5.0 out of 5 from 1 ratings, while Dipole calculator averages 4.3 from 7 ratings.
Do RF Engineer Toolkit or Dipole calculator have ads?
Neither RF Engineer Toolkit nor Dipole calculator shows ads.

Other comparisons