IRSignalTester

Test infrared remotes & LEDs

Free · In-App Purchases · Designed for iPad. Not verified for macOS.

IR Signal Tester is a simple utility for testing infrared (IR) signals using your phone’s camera. Check if a remote control is working, compare signal strength between remotes, or detect infrared light from IR LEDs — all in real time. No ads, no fear-based claims, just a practical tool that works. What the app does Most infrared remotes and IR LEDs emit light that phone cameras can detect — even though your eyes can’t. IR Signal Tester makes this visible and measurable. Use it to: Test TV, AC, and media remotes Check if a remote is weak or failing Compare signal strength between remotes Detect infrared light sources and IR LEDs Features Live IR Detection Real-time camera view Clear “IR detected” indicator Signal strength meter (weak → strong) Remote Control Test Guided 3-second test Signal health results: Good, Weak, Intermittent, or No Signal Helpful explanations for each result Compare Remotes (Pro) Test two remotes side by side Compare signal strength and stability Quickly see which remote performs better Clean & Private Works completely offline No accounts, no tracking Camera access only, used solely for IR detection Who it’s for Anyone troubleshooting a TV or AC remote Technicians and installers DIYers and electronics hobbyists Anyone who wants a simple way to check infrared signals Important note IR Signal Tester detects infrared light signals, not hidden cameras or surveillance devices. Results depend on camera hardware and lighting conditions.

Ratings & Reviews

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Bug fixes

Version 1.6.0

The developer, LimeLime Labs LLC, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary based, for example, on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Provider
    • LimeLime Labs LLC
    Size
    • 6 MB
    Category
    • Utilities
    Compatibility
    Requires iOS 26.0 or later.
    • iPhone
      Requires iOS 26.0 or later.
    • iPad
      Requires iPadOS 26.0 or later.
    • Mac
      Requires macOS 26.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 26.0 or later.
    Languages
    • English and Spanish
    Age Rating
    4+
    In-App Purchases
    Yes
    Copyright
    • © LimeLime Labs
  • Developer Website
  • Privacy Policy

    • More by LimeLime Labs LLC

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