Antenna, CW, Morse, DTMF tools

RF tools & signal utilities

$0.99 · Designed for iPad. Not verified for macOS.

Antenna+ is the must-have toolkit for amateur radio operators and RF hobbyists. Whether you're designing a dipole, tuning a vertical, calculating feedline loss, or planning an HF/VHF/UHF deployment, Antenna+ gives you accurate formulas and instant results. Key features include antenna-length calculators (dipole, inverted Vee, quad, bazooka, and more), frequency-to-wavelength conversion, VSWR and ERP calculators, RF conversion helpers, horizon visibility and solar calculators for propagation planning, plus signal utilities such as DTMF decoding/keying and Morse/PSK31 tools. The interface is optimized for both iPhone and iPad comes with Retina-ready icons and an integrated manual, and is built with test targets included for reliability. Benefits: - Quickly design and size antennas for HF, VHF and UHF bands - Reduce trial-and-error deployment time with VSWR and ERP calculations - Plan best operating windows using built-in solar/dawn/dusk and horizon visibility tools - Decode DTMF tones and use the DTMF keyer for tone generation; includes microphone access for decoding - Find quick reference formulas and illustrated for field use Antenna Calculators • 5/8th Wave Vertical • Half-Wave Dipole • Dipole & Inverted Vee  • Ground Planes  • Quad (Cubical)  Visibility & ERP & EIRP Calculators • Horizontal Visibility • Pure ERP and EIRP • VSWR Loss Calculator • EIRP Calculator for Transmitter power, Gain, and Power Loss No network connectivity required.

  • 2.3
    out of 5
    3 Ratings

bug fixes for morse code and added morse code database with q codes (local search)

The developer, Verosocial Studio, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Seller
    • Verosocial Studio
    Size
    • 9.9 MB
    Category
    • Education
    Compatibility
    Requires iOS 17.2 or later.
    • iPhone
      Requires iOS 17.2 or later.
    • iPad
      Requires iPadOS 17.2 or later.
    • Mac
      Requires macOS 14.2 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.1 or later.
    Languages
    • English
    Age Rating
    4+
    Copyright
    • © Copyright 2026 Verosocial Studio