---
title: "K4 Control for Elecraft K4 - Reviews, Revenue and Downloads in United States | Apple App Store"
description: "K4 Control for Elecraft K4 is an innovative Software Defined Radio (SDR) client designed specifically for iPad users, allowing comprehensive control and operation of the Elecraft K4 transceiver. Devel"
---

# K4 Control for Elecraft K4 — United States
> K4 remote control

![K4 Control for Elecraft K4 App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/ed/95/83/ed9583d9-3160-92cf-4aa0-f0651338cd55/AppIconiOS-0-0-1x_U007epad-0-1-0-85-220.png/434x0w.png)

**Developer:** [Marcus Roskosch](https://apptail.io/developer/marcus-roskosch-Kac)
**Category:** Utilities
**Rating:** 4.8/5 (5 ratings)
**Price:** Free
**Bundle ID:** de.roskosch.K4-ControliOS
**Store:** Apple App Store
**Country:** United States
**Version:** 1.126 (released 2026-05-08)
**Original Release:** 2025-03-14
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id6738920761)
**AppTail Page:** [https://apptail.io/app/k4-control-for-elecraft-k4-bLxx/united-states](https://apptail.io/app/k4-control-for-elecraft-k4-bLxx/united-states)

## K4 Control for Elecraft K4 Description
K4 Control for Elecraft K4 is an innovative Software Defined Radio (SDR) client designed specifically for iPad users, allowing comprehensive control and operation of the Elecraft K4 transceiver. Developed to maximize the capabilities of the K4, this app is your gateway to operating your transceiver seamlessly, both locally and remotely via the internet.

KEY FEATURES

■  Full Control Anywhere: Operate your K4 transceiver locally at home or from anywhere in the world with an internet connection.

■ Integrated Digital Modes: Use built-in tools for FT8, FT4, CW, Weather FAX and SSTV (NEW!) without the need for external software.

■ Logging: Maintain a comprehensive logbook with automatic logging, ADIF import/export.

■ Dual VFO and Waterfalls: Manage dual VFO settings and view real-time dual waterfall displays for detailed frequency insights (dependent on transceiver capabilities).

■ DX-Cluster and Alerts: Stay updated with DX-Cluster integration and personalized alerts for desired callsigns, DXCCs, States or others.

■ Visual and Interactive Features: View radio spots in the waterfall display, check band limits, and see callsigns on a map complete with directional data.

■ CW Operation: Offers unique CW capabilities including remote CW transmission via keyboard or a hardware paddle connected via CTR2/MIDI Controller.

WHAT YOU NEED:

- An Elecraft K4 Transceiver
- The Transceiver needs to be connected to your local Network
- No USB cable needed or supported
- An iPad which runs at least iOS 18

LEARN MORE:

Discover all features here: 

Access the full Manual: 

Note: K4-Control for Elecraft is independently developed and is not affiliated with or endorsed by Elecraft.

## K4 Control for Elecraft K4 Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/32/94/a9/3294a904-5ee7-a183-e5f1-d3052efed582/Screenshot1.jpg/2732x2048.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/bb/5f/bd/bb5fbdae-6a8f-bb62-f32d-5a6403cc0252/Screenshot4.jpg/2732x2048.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/d8/ee/90/d8ee9013-d0bd-f647-95b6-62b718d8ea03/Screenshot2.jpg/2732x2048.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/ca/eb/6f/caeb6f55-f124-f11c-aa95-8bce94931f70/Screenshot3.jpg/2732x2048.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/39/67/cf/3967cf4e-ffa6-4a5c-60ad-ece28c12238c/Screenshot5.jpg/2732x2048.png)
- [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/63/df/5b/63df5b17-dbbd-3352-3ffd-4b3d71769f41/Screenshot6.jpg/2732x2048.png)

## K4 Control for Elecraft K4 Rating Breakdown in United States
- 5 stars: 4 (80%)
- 4 stars: 1 (20%)
- 3 stars: 0 (0%)
- 2 stars: 0 (0%)
- 1 stars: 0 (0%)

## K4 Control for Elecraft K4 Reviews in United States

### ***** "The Best"
Marcus never fails us to bring another outstanding remote app. Works seamlessly with the K4D.
-- Hammond12, 2026-01-16

### ***** "Highly Recommended"
Really appreciate what a fine product this app is.  Had a few questions on getting Remote to work from outside of my home’s LAN.   The support and assistance I received from this app’s support team was absolutely excellent.
-- 50 Year Ham, 2025-06-30

[View all K4 Control for Elecraft K4 reviews and detailed analytics on AppTail](https://apptail.io/account/signup?utm_campaign=ai-crawl&utm_content=reviews)




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## K4 Control for Elecraft K4 Available In
- [United States](https://apptail.io/app/k4-control-for-elecraft-k4-bLxx/united-states)
- [New Zealand](https://apptail.io/app/k4-control-for-elecraft-k4-bLxx/new-zealand)

---

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