# Ionaut — Ham Radio

> HF propagation & DX tools

Canonical page: [https://chrome-stats.com/d/id6791164341](https://chrome-stats.com/d/id6791164341)

## Overview

- **ID:** `id6791164341`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Reiner Wilhelm Klohn
- **Category:** Utilities
- **Version:** 1.6
- **Last updated:** 2026-09-18
- **First published:** 2026-07-23
- **Size:** 92 MB
- **Data as of:** 2026-09-22
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/ionaut-ham-radio/id6791164341)
- **Website:** [https://ionaut.klohn.info](https://ionaut.klohn.info/)
- **Privacy policy:** [https://ionaut.klohn.info/privacy.html](https://ionaut.klohn.info/privacy.html)

## Description

Ionaut is a free companion for radio amateurs — the whole shack in one app, with no account, no ads and no tracking.

PROPAGATION & SPACE WEATHER
- Real VOACAP forecasts, band by band and hour by hour, from your QTH to any continent or a specific callsign
- Live space weather from NOAA (solar flux, K-index, solar wind, X-ray)
- D-layer absorption (D-RAP), a live ionosonde (foF2/MUF, GIRO), history graphs and solar images (SDO/SOHO)

DX & ACTIVITY
- Live spots (PSK Reporter) and the worldwide DX cluster
- Watcher: push alerts on a DX-cluster match
- Callsign lookup — country, zone and callbook

SKY
- Satellite passes incl. QO-100 and GNSS
- Moon / EME with azimuth, elevation and phase
- Azimuthal map with the grey line and aurora; world sun times

OPERATING
- Band plans by country and licence class
- Contest calendar (HF & VHF)
- Nearby repeaters with map and compass — including the Gulf and Oman

TOOLS
- Antenna length, SWR, coax loss, dB/power, Ohm's law, Maidenhead locator and bearing

LEARN (for newcomers)
- Q-codes, phonetics, RST, modes, antennas, the ionosphere, cables & connectors and a D-Star unit
- A CW (Morse) trainer using the Koch method with spaced repetition and progress tracking

Available in 46 languages. No account, no ads, no tracking.

Ionaut is and stays free. If you'd like to support the project: ko-fi.com/reinerklohn

73!

## Rankings

- #2,164,567 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id6791164341)