Best Transmitter Apps

247+ iOS apps curated and reviewed

3.5 avg rating

20 free apps

Updated September 2026

Finding the right transmitter apps can be overwhelming with so many options. We've analyzed 247+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Transmitter Apps (September 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	Radio App - FM Transmitter	Free	4.3★ (6.7K)	Yes	Yes	Sep 2026
2	LETS Transmitter	Free	5.0★ (1)	No	No	May 2026
3	Handheld transmitter	Free	—	No	No	May 2026
4	FM Transmitter - smart drive	Free	3.0★ (2)	No	No	May 2026
5	Hive-1000	Free	—	No	No	May 2026
6	Morse Transmitter	Free	4.3★ (302)	No	No	Jul 2026
7	Radio App - Simple Radio Tuner	Free	4.3★ (13K)	No	Yes	Sep 2026
8	Spektrum DXe Programmer	Free	1.9★ (36)	No	No	Jun 2026

Top Picks for Transmitter

#1

Radio App - FM Transmitter by European Apps Solutions

Live Radio & FM Transmitter

Editor's Choice

🔧 Utilities

4.3😞(6.7K ratings)

FreeAdsIn-App Purchases

Radio App - FM Transmitter screenshot 1

Radio App - FM Transmitter screenshot 2

Radio App - FM Transmitter screenshot 3

Radio App - FM Transmitter screenshot 4

Radio App - FM Transmitter screenshot 5

Radio App - FM Transmitter screenshot 6

This app helps you find the clearest FM radio station for your FM transmitter, ensuring uninterrupted music playback. It automatically detects your location or allows manual input to scan for optimal frequencies.

What We Love

👍 Convenient app for finding clear FM stations
🚀 Saves time scanning for good frequencies
💡 Useful for FM transmitter users

Room to Improve

🐛 Inaccurate station recommendations
🚫 Doesn't work outside the US
💰 Paid subscription required for full functionality
🚫 Doesn't actually transmit audio

#2

LETS Transmitter by LETS - A Law Enforcement Technologies Corporation

Strong Contender

🔧 Utilities

5.0(1 ratings)

Free

LETS Transmitter screenshot 1

LETS Transmitter screenshot 2

LETS Transmitter screenshot 3

LETS Transmitter screenshot 4

Record your daily experiences with private remote storage for videos and audio. Track your routes with location data and easily switch cameras or use the flash. Save and view your recordings later.

#3

Handheld transmitter by geba Handels- und Entwicklungsgesellschaft mbH

Control your garage or light

Worth Considering

🔧 Utilities

0.0(0 ratings)

Free

Handheld transmitter screenshot 1

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More Transmitter apps to explore

FM Transmitter - smart drive

FM Transmitter - smart drive

FM Transmitter - smart drive

This app pairs with a specific car charger to broadcast audio from your smartphone to your car's FM radio. Enjoy music, calls, and navigation through your car's speakers.

FM Radio Frequency TunerPair with Smart Car Charger F2Broadcast calls

2 Relay BLE Compatible RX

Morse Transmitter

Morse Transmitter

Morse Transmitter

Encode and decode Morse code with this versatile tool. It supports real-time audio decoding with automatic WPM detection and offers features like screen, speaker, and flash output for encoded messages. Includes a dictionary for learning.

Encode text to Morse codeDecode Morse code to textReal-time audio decoding

Radio App - Simple Radio Tuner

Radio App - Simple Radio Tuner

Radio App - Simple Radio Tuner

FM & AM Radio around the World

Stream local and international FM/AM radio stations from around the world. Access over 100,000 stations covering music, sports, news, and more. Save favorites and listen in the background.

Stream radio from over 200 countriesAccess 10,000+ US radio stationsOver 100,000 worldwide stations

free with in-app purchases

Spektrum DXe Programmer

Spektrum DXe Programmer

Spektrum DXe Programmer

by Horizon Hobby

This app allows users to create and save basic model setups for fixed-wing aircraft directly from their mobile device. It offers features like servo reversing and stick configuration, with advanced options available via a separate programming cable.

Create and save model setupsServo reversingStick configuration (Modes 1-4)

📊 Productivity

Morse Code Flash Transmitter

Morse Code Flash Transmitter

Morse Code Flash Transmitter

Easily send Morse code messages using your iPhone's flash. Type your message and tap transmit, or use the "Roger" button to acknowledge receipt. Ideal for scouting, camping, and emergency communications.

Transmit Morse code with iPhone flashType messages for transmissionQuick "Roger" button

🎬 Entertainment

by CDVI Wireless S.p.A.

Configure CDVI CUBEX receivers with this app. Manage transmitters, smartphones, and device settings for seamless integration. Streamline your access control system management.

Configure CDVI CUBEX receiversManage transmittersManage smartphones

📊 Productivity

Find & Align Your TV Antenna

$0.99 | 100% OFF

FT Ham – FT8/FT4 transceiver

FT Ham – FT8/FT4 transceiver

FT Ham – FT8/FT4 transceiver

Decode & send FT8/FT4 signals

Decode and transmit FT8/FT4 amateur radio signals directly from your mobile device. Features real-time decoding, automatic QSO sequencing, and an integrated logbook with ADIF export. All processing is done offline and locally on your device.

Real-time FT8/FT4 decodingOffline audio transmissionAutomatic QSO sequencing

free with in-app purchases

HR Speed Transmitter

HR Speed Transmitter

HR Speed Transmitter

Send HR and Speed over BLE

This app transforms your phone into a Bluetooth server, broadcasting treadmill speed to compatible applications. It functions as a standard running speed and cadence sensor, allowing manual speed adjustments up to 18 km/h. A free version is available with a five-minute limit.

Phone as Bluetooth serverBroadcasts HR and speedCompatible with other apps

💪 Health & Fitness

free with in-app purchases

Duality Transmitter

Duality Transmitter

Duality Transmitter

Live video prediction

This app allows you to influence a spectator's choices within a pre-recorded video as it plays. A secret selection appears in the video, and you can instantly share the clip with your audience, including your contact information.

Influence spectator selections in real-timePre-recorded video effectsInstant video sharing with contact details

🎬 Entertainment

Acoustic Picture Transmitter Pro

Acoustic Picture Transmitter Pro

Acoustic Picture Transmitter Pro

by Dominik Seibold

Send and receive images using sound waves. Transform image data into audio signals for transmission via your device's speaker and reconstruct them on another device. Ideal for discreetly sharing visuals or embedding them within audio recordings.

Acoustic image transmissionImage data to audio conversionSpectrogram visualization

📷 Photo & Video

Connect your phone to your car's FM radio for a personalized audio experience. Stream your local music or music from a USB drive, and control FM frequencies directly from your device. Make your drives more enjoyable with your own custom radio station.

Bluetooth connectivityFM transmission controlSynchronize local music

RF Circuit Toolbox

RF Circuit Toolbox

RF Circuit Toolbox

by Danmarks Tekniske Universitet

Radio Field Strength Cal

Radio Field Strength Cal

Radio Field Strength Cal

by Jonathan Gibbs

RCA Signal Finder

RCA Signal Finder

RCA Signal Finder

by Voxx international Corp

Locate broadcast towers for optimal antenna aiming. Enter your address or use your current location to find stations and receive free HD TV.

Find broadcast tower directionUse current location or enter addressSelect desired TV stations

NEPTUNE amplifier control

NEPTUNE amplifier control

NEPTUNE amplifier control

Control NEPTUNE amps via TCP

FAQ about Transmitter

What are the best transmitter apps for iPhone?

Radio App - FM Transmitter tops our transmitter apps ranking as of September 2026, with a 4.3-star average from 6.7K App Store ratings, and it's free to download.

Are there free transmitter apps for iPhone?

Yes — 20 of the top transmitter apps we rank are free to download, including Radio App - FM Transmitter and LETS Transmitter.

Does Radio App - FM Transmitter have ads or in-app purchases?

Radio App - FM Transmitter shows ads and offers in-app purchases, according to its App Store listing as of September 2026.

How many transmitter apps are on the App Store?

We track 247+ transmitter apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.

What does the Radio App - FM Transmitter do?

This application helps you discover the clearest FM radio station to use with your FM transmitter. It aims to provide a seamless listening experience by minimizing interference with your music.

How do I find the clearest FM station?

You can open the app and press one button. It will automatically track your location to find the best station, or you can manually enter your city and state to scan for available frequencies.

Related searches

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