KAT500UI is a remote control interface for the Elecraft KAT500 automatic antenna tuner that mirrors front-panel controls and displays internal system states. It enables remote operation of the hardware and integrates with logging software via UDP broadcasting to support frequency-based memory recall for non-Elecraft radios.

Overview · Full Intel report in progress

The App DNA

What makes this app unique?

For Amateur radio operators using the Elecraft KAT500 antenna tuner who require remote control and enhanced monitoring capabilities.

What does it look like?

Key features

Remote Tuner Controlstandard

Duplicates front-panel controls and indicators to allow for flexible hardware placement.

Internal State Monitoringstandard

Provides visibility into additional internal tuner states beyond standard front-panel readouts.

UDP Frequency Integrationstandard

Reads frequency data from N1MM-compatible loggers to enable automatic recall of saved tuner memories.

Visual Meteringstandard

Includes integrated meters to provide real-time visual feedback on tuner performance.

How much does it cost?

paid

Velocity

Dormant developmentShow more...

4 versions in history. Development pace: zombie.

See all version history

Who built it?

Thomas Lindner, DL2RUM

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User Sentiment

What do users think recently?

How are ratings & reviews evolving?

App Store
0.00 · 0

Not enough recent reviews to extract reliable themes yet.

Read the full review analysis

Competition

Competitive landscape for KAT500UI

How's the Utilities market?

The rivals identified

The Analyst's Read

Key takeaways for KAT500UI

Where is it heading?

Bottom line

This utility provides a convenient remote interface and enhanced monitoring for the Elecraft KAT500, specifically bridging the gap for users with non-Elecraft radio setups.

Report last updated

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by KAT500UI, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “KAT500UI Intelligence Report.” Updated Apr 27, 2026. https://marlvel.ai/apps/kat500ui

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