Best Indoor Ultrasonic Pest Repellers of 2026

"After using these devices for a couple of months, I've noticed a dramatic drop in ants and spiders in my home. The plug-and-play design makes it incredibly simple to use, and I love that there are no harsh chemicals or odors to worry about. The middle setting works great for daily use, while the highest setting is a bit loud, but perfect for garage areas. Definitely a worthwhile investment and I'd recommend it to others."

"I bought the 6-pack and from the start, saw a big reduction in pests like ants, spiders, and even mosquitoes. The dual-mode switch lets me adjust the frequency easily for different rooms. The devices are silent, safe, and eco-friendly, which is perfect for my household. Covering multiple areas at once is a huge plus. I highly recommend this for anyone wanting a simple, effective pest control solution."

"When I heard noises in my walls before Christmas, I gave these high-frequency repellers a try. Within a day, the squirrel that had invaded disappeared. The units are easy to use, lightweight, and small enough to leave other outlets free. My cats weren't bothered at all. Now, I have peace of mind knowing my home is protected without hiring an exterminator. I'm so grateful these worked!"

"I've noticed a big drop in insects and rodents since plugging these in around my house. The complete silence and the blue light indicator are great features. I appreciate that it's a chemical-free, indoor solution, and buying a multi-pack for this price is a real bargain. I’d gladly recommend them for home pest control."

"I was honestly surprised by how well these repellers work. Installation was a breeze—just plug them in and you're set. Since using them, I've seen a significant decrease in household insects. There's no annoying noise, the design is discreet, and I love that they're safe and chemical-free. Definitely excellent value for the money."

"After just a few days of use, I've already seen fewer insects in different areas of my home. They're super easy to use and take up hardly any space. For the affordable price, they’re a solid choice for pest control."

"I found the setup to be extremely simple—just plug it in and it starts working right away. I liked that it's chemical-free and doesn't have any strong smells. After about two weeks, I noticed fewer ants and flying insects in my kitchen and pantry. The device is quiet and blends in easily with my outlets."

"I was a bit skeptical at first, but I decided to try this because bugs, especially spiders, really freak me out. After using it for a while, I haven't noticed much difference—bugs still show up in the same spots, even near the device. The blue LED is a bit bright in dark rooms, but otherwise it's silent and doesn't produce heat or odors. Honestly, traditional pest control methods have worked better for me."

"This is my second time buying these units, and I really wish I had found them sooner. I've spent hundreds on chemicals and traps with little success, but these actually work both indoors and outdoors. I highly recommend them to my family and friends."

"I tried almost everything to deal with mice, but after using this, they disappeared in just a day. No more daily cleanup or droppings—problem solved fast!"

"I bought the 6-pack because ants and the occasional cockroach were driving me crazy in the kitchen. After spreading them around the house, I noticed a real drop in ant activity within days and even less rodent evidence in the garage. They don’t make any sound or smell, so you forget they’re even there, and having multiple units lets me cover the whole house easily."

"I’ve been using this for a little under two weeks, and there’s a clear decrease in insects around the house. It’s super easy—just plug it in and that’s it. Highly recommend as a simple solution for insects and rodents!"

"I've been using this ultrasonic repeller and noticed a significant drop in pest activity within just a week. I love that it's completely silent and doesn't bother my family or pets. For anyone wanting a safe, chemical-free solution indoors, I think this is a must-have!"

"After trying several methods, I found this device to be the most effective at reducing pests in my home. What stands out is its eco-friendly design and ease of use—just plug it in and let it work. Plus, there's no risk to my pets or harm to the environment. I'd absolutely recommend it to others."

"These repellers were simple to install and blend nicely with my home décor. I was pleased to see that the small blue light adds a calming glow at night and there's zero noise—even my light-sleeping daughter and our pets weren't disturbed. While it hasn't removed every last pest, it definitely helped lower the number of bugs, especially in the kitchen and bedrooms."

"I've been using the Ultrasonic Pest & Insect Repeller for several weeks, and the reduction in pests has been remarkable. I love that it's completely silent, easy to use, and requires no maintenance. The fact that it's chemical-free and safe for my kids and pets gives me peace of mind. Compared to sprays and traps, this has been the simplest and most effective solution for keeping my home comfortable."

"After setting up the 6-pack of these ultrasonic pest repellers throughout my house, I've noticed a significant drop in spiders and ants. Installation was effortless—just a quick plug-in, and I appreciate the two-mode function for targeting specific pests. It's silent to my ears and safe for pets, making it a worry-free and cost-effective investment in pest control."

"I started using this device to tackle a persistent mosquito and rat problem, and so far, the mosquito issue has noticeably improved. The ease of use is a huge plus—just plug it in and let it work. Having a 6-pack allowed me to cover multiple rooms for better protection."

"After plugging these into several rooms, I immediately noticed a huge reduction in ants, and my son pointed out a high-pitched sound that only he could hear. Once we turned it to the lowest setting, the noise disappeared for him. I’m hoping it will be just as effective for rodents, but so far, it’s working wonders for insects."

"We’ve tried so many things to get rid of mice, rats, flies, and spiders, but this is the first device that worked instantly. Since plugging them in, we haven’t seen or heard any pests. Absolutely worth every penny—I’d definitely purchase again."

"I was drawn in by all the positive reviews calling this a 'sound bomb.' I started with the yellow setting and couldn’t hear anything, but my daughter found the noise annoying until we switched to blue. The red setting is only for the garage—it’s that loud. Most importantly, the scratching sounds stopped within hours."

"After spotting rodents in our basement, I placed these mint bags in all our cabinets. The rodents stayed away from our food and only went for the bait on traps. I even put some in our car trunks for extra protection. Highly recommend for keeping pests out of food areas."

"I cleaned my storage area, sanitized, and put in four of these. No rodents came back for a month, and the scent was natural and not bothersome for guests. Scent lasts around 2-3 weeks, so I replaced them often, but they worked effectively in my storage and garage."

"I tried these after seeing a positive video. The smell is extremely strong—almost overwhelming at first. I’ve put them in problem areas along with traps and poison. Time will tell if they help, but the scent really does fill the space."

"I was dealing with a persistent mouse problem in my older home and honestly, I wasn't expecting miracles from an ultrasonic repellent. For the first week, I didn't notice much change, but by the end of the second week, there was noticeably less mouse activity. After a month, the mice were completely gone! It's a relief to have a solution that's plug-in, hassle-free, and totally safe for my dog and cat. Now, I keep one running in my basement and garage year-round for peace of mind."

"If you store anything like a classic car or motorcycle in a shed or garage, this is a must-have. Before using this ultrasonic rodent repellent, I was always finding nests in my equipment every spring. Now after two seasons, everything stays clean and untouched. The plug-in feature is perfect for long-term use—I just leave it running and don't have to worry. It's highly effective for keeping my valuable assets safe from rodents."

"Living on a wooded property means constant battles with rodents trying to get into our sheds and crawl spaces. We bought three of these units and placed them in all the problem spots. It wasn't an overnight fix, but after about a month, all rodent activity dropped off significantly. Now, months later, those areas are still clear. I love that this method is harmless to pets and simple to maintain. For anyone with multiple outbuildings, this is a convenient and reliable solution."

"After using this ultrasonic repeller in my family's two-flat house, I noticed fewer mice and droppings over time. Initially, I was skeptical, but by the second winter, we were completely mouse-free, and even the spider and stink bug populations dropped. I believe the key is to have these in place before mice settle in for winter. As long as the devices stay plugged in, no more pests returned."

"I got this for an elderly lady, and it turned out to be very easy to use and effective. The sound doesn't bother people at all, and the units are just the right size and weight. I really like that there are no chemicals involved—definitely a plus!"

"Living in an area with lots of pests, especially large rats and centipedes, I tried this device and saw immediate improvement with mice and rats. Placement is important for the best results. However, I found that spiders weren't affected, and mosquitoes still lingered near the device. Still, it's been a big help for my main rodent problems."