IRSignalTester
Test infrared remotes & LEDs
About
This utility uses your phone's camera to visualize and measure infrared signals from remotes and LEDs. It helps you test remote functionality, compare signal strengths, and detect IR light sources in real-time. The app works offline and prioritizes user privacy.
What's New in IRSignalTester
1.6.0
July 15, 2026
Bug fixes
In-App Purchases
$0.99
Remove Ads
Remove ads for a cleaner remote testing experience.
Developer apps
FAQ
What can IRSignalTester be used for?
IRSignalTester can test TV, AC, and media remotes, check if a remote is weak or failing, compare signal strength between remotes, and detect infrared light sources and IR LEDs in real-time.
Does IRSignalTester have ads?
No, IRSignalTester is ad-free and does not contain advertisements. It is a practical tool that works without any intrusive ads.
How does IRSignalTester compare signal strength?
The app features a signal strength meter that visually indicates the strength of the detected IR signal, ranging from weak to strong. It also offers a Pro feature to compare two remotes side-by-side for a direct comparison.
Is IRSignalTester safe to use?
IRSignalTester is rated for ages 4+ and is designed to be a safe utility. It only accesses your camera for IR detection and works completely offline without tracking or requiring accounts.
What are the results of a remote control test in IRSignalTester?
A guided 3-second test provides signal health results such as Good, Weak, Intermittent, or No Signal, along with helpful explanations for each outcome.
Does IRSignalTester require an internet connection?
No, IRSignalTester works completely offline. It does not require an internet connection to function, ensuring privacy and accessibility.
What devices is IRSignalTester compatible with?
IRSignalTester is available for iPhone and iPad devices.
How often is IRSignalTester updated?
The latest version, 1.5.0, was released on 2026-06-23, indicating regular updates to improve functionality and reliability.