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Find the correct DIP switch code for garage door, fan, and doorbell remotes.
Stop guessing. Start testing. DIP Switch Code Tester takes the guesswork out of pairing remote controls to garage door openers, ceiling fans, doorbells, gate openers, and any other device using DIP switch technology. THE PROBLEM Old ceiling fan remote lost its pairing? Garage door opener acting up after replacing a receiver? Doorbell chime not responding? If your device uses a bank of tiny DIP switches to set its code, you're often stuck flipping switches at random, climbing ladders, or disassembling housings just to find the right combination — a slow, frustrating process of trial and error. NOT A UNIVERSAL REMOTE APP This is not a universal remote app, and it's important to understand why. Garage door openers, ceiling fans, doorbells, and similar devices with DIP switches communicate over radio frequency (RF) — the same standard used by their physical remotes. Smartphones do not have RF transmitter hardware built in, so no app, including this one, can actually replace your physical remote or transmit a signal directly from your phone. What this app does instead is solve the real problem: quickly finding the correct DIP switch combination on your existing or replacement remote and receiver, so you're not stuck guessing by hand. THE SOLUTION This app walks you through every possible switch combination in the smartest order possible, using the Gray code method. That means each step only requires flipping ONE switch — never more — so you can move through every combination as fast as physically possible, with no wasted motion and no repeats. HOW IT WORKS Select your switch count (4, 5, or 6 switches) The app shows you exactly which switches to set ON or OFF Set your remote and receiver to match, then test it Mark each combination as tried and swipe to the next one When it works, save it — no more repeating this process next time BUILT FOR REAL FIELD WORK Clean, simple interface readable in bright sunlight or dim garages Dark and light themes Haptic feedback and sound confirm every action Works completely offline — no signal needed in basements, attics, or crawl spaces FREE VERSION Full DIP switch testing for 4, 5, and 6-switch devices Save up to 3 codes Search and sort your saved codes PRO VERSION — ONE-TIME UNLOCK Unlimited saved codes Store customer name, phone, and address alongside each code — perfect for service technicians managing multiple job sites Share individual codes instantly via text or email Import and export your entire saved list as a backup or to hand off to a coworker Full search, sort, and organization tools for large code libraries WHO IT'S FOR Built with service technicians, locksmiths, garage door installers, electricians, and handy homeowners in mind — anyone who's ever had to figure out a DIP switch code without a manual in hand. PRIVACY FIRST All your data stays on your device. No account required, no tracking, no ads. Your saved codes and customer information are never sent to us or anyone else unless you choose to share or export them yourself. Questions or feedback? Reach us anytime at support@biggieapps.com.