# AMRT Amateur Radio RF Toolkit — Ham antenna & VSWR calculators

> Ham antenna & VSWR calculators (iPhone/iPad app by APPRICODE SOFTWARE CONSULTANCY LTD..)

- Source: https://appshunter.io/ios/app/amrt-amateur-radio-rf-toolkit/id6774462917 (this page in markdown: same URL + `.md`)
- Developer: [APPRICODE SOFTWARE CONSULTANCY LTD.](https://appshunter.io/developer/1895297859)
- Category: Utilities, Reference
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.0 · 16 MB
- Languages: American English
- Released: 2026-06-09
- Data updated: 2026-06-10
- User reviews in markdown: https://appshunter.io/ios/app/amrt-amateur-radio-rf-toolkit/id6774462917/reviews.md

## What is AMRT Amateur Radio RF Toolkit?

Your amateur-radio bench, in your pocket — and it works completely offline.

AMRT brings the calculators and references hams reach for most into one fast, ad-free app. From cutting a dipole in the field to checking SWR in the shack, every answer shows the formula and assumptions behind it.

ANTENNAS
• Dipole, inverted-V, end-fed half-wave, vertical, J-pole, Yagi, cubical quad, full-wave loop & small magnetic loop
• Lengths in metres, feet or fractional inches, with cut lists and diagrams

RF & FEEDLINE
• VSWR, return loss & mismatch loss
• Coax cable loss and power at the antenna
• Smith chart impedance matching
• dB to power/voltage

ELECTRONICS
• Ohm's law, reactance, LC resonance, voltage divider
• Series / parallel networks
• Resistor, capacitor & SMD codes, AWG wire gauge

LOCATION
• Maidenhead grid square, distance & bearing
• Look up your grid from GPS

REFERENCE
• Q-codes, RST, NATO phonetic alphabet, Morse, band plans

MORE
• Save calculations into projects and share results instantly
• Home-screen widget: your callsign, home grid & UTC clock
• Imperial and metric units throughout

100% offline. No account. No ads. Just the tools.

Free to use the Dipole calculator — unlock every tool with a single one-time PRO purchase. No subscription.

73!

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| PRO — Unlock All Tools | $2.99 | one-time |



## Version history (last 1 release)

### 1.0 — 2026-06-09

No release notes.

## More apps by APPRICODE SOFTWARE CONSULTANCY LTD.

- [Filament Depot: 3D Spool Log](https://appshunter.io/ios/app/filament-depot-3d-spool-log/id6769595398)

All apps by APPRICODE SOFTWARE CONSULTANCY LTD.: https://appshunter.io/developer/1895297859

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*