Top 10 Best Roach Killer: 2023 Reviews & Buying Guide

Roaches are crawling insects that are despised by homeowners. The sighting of only one roach can be irritable, and people try to eliminate them as soon as possible. There are several roach killers available in the market. However, not all of them are effective, or some might even not have the ability to remove these roaches easily.

In this article, we have reviewed the top 10 roach killers of 2023, along with a comprehensive buying guide that would help you in making the right choice.

Top 10 Best Roach Killer in 2023

It can be an overwhelming task to choose the best roach killer, as there are several brands and products out there. To make your work easier, we have shortlisted the top 10 products after consulting with several pest control professionals. Since they are the best roach kills from an expertise point of view, they are comfortable and safe to use.

1 – Roach Killing Bait by Combat

The roach bait by Combat is an effective roach killer that can kill whole nests of roaches in just a few hours. It can quickly drive the roaches away for a year if the bugs don’t get killed. The bait piece can be placed near a group of roaches who take the bait back to the nest. Further, this helps in executing a swarm of roaches quickly.

The food in the bait can attract even small roaches. Hence one does not have to worry about any surviving roaches which might grow up and repopulate the nest. The bait is also able to eliminate an entire nest of roaches within a few days. This way, a full room can be cleared out efficiently without fumigating the whole building.

Key Features

  • Kills small roaches within hours
  • Prevents roaches for up to 12 months
  • Suitable for the under-sink area, behind the toilets and appliances
  • Includes 18 child-resistant bait stations
  • No activation required


  • It is a potent insecticide
  • Can attract roaches of different sizes
  • No extra chemicals needed
  • Kills roaches and their entire nests
  • Easy to use


  • Suitable only for small roaches

2 – Cockroach German Roach Pest Control by Advion

Advion Cockroach Gel bait is another effective roach killer that has 0.6% of an active ingredient known as Indoxacarb that attracts and kills the roaches. The chemical substance also expires after 2-years, which ensures that it lasts longer.

It is recommended that you apply a 0.5 g dose of gel at a distance of 10 ft from each other. Using 3 to 5 of such dozes would be enough for even the most infested house. A regular infestation needs only 1 to 3 drops of the gel. This poison can exterminate different kinds of insects, even the most spread kinds of roaches.

Key Features

  • Contains 0. 6% Indoxacarb
  • It is a German roach bait
  • Can be used indoors and outdoors
  • Suitable for light, moderate and heavy infestations


  • Kills cockroaches at different stages
  • Works quickly
  • Can be put in hard-to-reach areas
  • A single dose can annihilate three generations of roaches


  • There might be quality issues in the product

3 – HG-95789 Roach Killer by Hot Shot

Hot Shot’s liquid roach killer is a widely-used lethal trap for killing the pesky roaches. The Hotshot roach bait is a popular product in this category, mainly because it is safe to use. It can kill a considerable number of roaches quickly. The Ultra Liquid Roach Bait by Hot Shot also ensures all-round protection from the roaches for an extended period.

This roach killer works by focusing on eliminating the eggs which the bugs carry. In this way, it breaks the reproduction cycle of the cockroaches and reduces the re-infestation risk. This roach killer is a mixture of food and water that attracts the roaches. Another convenient feature of this product is that it does not stain the floors. It is a mess-free applicant that only needs to be placed in the infested places for eliminating such pests.

Key Features

  • Advanced liquid bait technology
  • Kills both roaches and their eggs
  • Quick kill formula
  • Ready-to-use bait
  • Leaves no mess


  • Safe way to remove roaches
  • Eliminates eggs-carrying bugs
  • Does not stain floors
  • Mess-free application
  • Easy to use


  • Takes time to work

4 – HG-11079 Concentrated Fogger by Black Flag

The Black Flag products are well-known for battling against bugs and roaches for several years. This quick and decisive formula acts quickly and does not back down. The roach killer is an easy way of getting rid of cockroaches and bugs in your building or apartment. Hence, one should not hesitate to try out this Concentrated Fogger.  The fogger would keep the roaches away for several months after being applied.

Ensure that it is not placed on a stainable water surface or near water sources. You need to place a table or a chair in the area to be fogged, at a distance of 2 ft above the floor. Also, cover it with layers of paper towels or newspapers. Set the fogger in a newspaper and leave the area immediately.

Key Features

  • Controls different household pests
  • Can treat up to 2,000 cubic feet
  • Leaves a fresh scent
  • Suitable for indoor usage
  • Contains six foggers


  • Does not cause any stains
  • Leaves no chemical residue
  • Has a long-lasting effect
  • Kills the roaches on contact
  • Eliminates roaches quickly


  • Prolonged usage can cause side effects
  • Comes heavily scented

5 – Organic Home Pest Control Spray by mdx concepts

The Home Pest Control Spray by MDXconcepts is a roach killer spray that is suitable for both indoors as well as outdoors. It is made from 100% natural ingredients such as vinegar and other essential oils. Because of this, this spray is safe to use around pets and children while being effective in killing different insects, such as spiders. The spray is effective in killing spiders, termites, ants as well as beetles on contact. Additionally, this spray also has a pleasant peppermint smell, and it can be sprayed in different corners of the house.

Also, this roach killer is object-specific, i.e., it will not harm anything except its main target. Generally, this is one of the safest insecticides available in the market and is also budget-friendly.

Key Features

  • Made of natural and non-toxic ingredients
  • Eliminates home-invading pests
  • Formulated by professional exterminators
  • 100% money-back warranty


  • Works quickly
  • Safe to use around pets or children
  • Long-lasting effect
  • Has a pleasant peppermint smell
  • Easy to use


  • It needs to be sprayed multiple times

6 – Invict Gold Cockroach Gel by Rockwell Labs

Another quick formula that can draw out the hiding roaches is Invict Gold Gel by Rockwell. It causes the roaches to take the poison back to their nest. This helps in eliminating vast populations of these roaches quickly. The cockroach gel comes with a syringe applicator. This makes it easier to spot-apply this product. This gel-base formula starts acting within 35 minutes. This attracts different kinds of roaches and also the bait-aversion pests.

TheInvict Gold formula ensures that even if one bug ingests the poison, it is carried back to the nest and infects the other roaches. This roach killer also affects the pests by being a secondary killer through droppings and dead roaches. Thus, it eliminates entire roach nests in the house quickly and immediately. So, this roach killer doesn’t use any common allergens, which can affect others in the same room. This makes it safe for humans.

Key Features

  • Starts killing roaches within 20 minutes
  • Unique food grade attractants
  • Formulated without food allergens
  • Can be applied to sensitive areas
  • Proven secondary kill


  • Works instantly
  • Easy to apply
  • Eliminates entire nests
  • Doesn’t affect others
  • Also acts as a secondary killer to dead bugs


  • Quantity seems less for the price
  • Does not work in large spaces

7 – Crawling Insect Killer by Safer

Safer Insect Killer is a complete natural ant killer solution which is also non-toxic. It is safe to use around children and pets. However, this roach killer may causes some mild irritations in the eyes. It is thus advisable to wear a face mask in case you use this product indoors.

The Diatomaceous Earth-based powder needs to be applied in dry areas for the best results. It generally kills roaches and other kinds of crawling insects within 48 hours. Another useful feature of this roach killer is that insects cannot develop immunity against it. It also keeps different types of bugs away from your house.

Key Features

  • Diatomaceous Earth-based powder
  • Kills insects within 48 hours
  • Suitable for both indoor and outdoor usage
  • Contains 85% Silicon Dioxide
  • Kills all type of crawling insects


  • Value for money
  • Eco-friendly and does not contain any toxic chemicals
  • Free from artificial fragrances
  • Easy to use
  • Safe and natural solution


  • Not suitable for targeting ant colonies
  • Does not give immediate results

8 – Ant & Roach Killer by Raid

The roach Spray by Raid is an effective roach killer that can kill different types of insects and bugs such as ants, crickets, spiders, silverfish, and so on. The best part of this roach killer is that it does not leave any lingering chemical smell after use. This roach spray is quite easy to use and can be applied to different surfaces where the insects and bugs might be infesting.

This roach killer is advisable to be used every four weeks to keep control of different indoor surfaces. This is because it can keep the roaches at bay for only up to 4 weeks. It comes in a pack of two.

Key Features

  • Residual action of 4 weeks
  • Kills different types of bugs and insects
  • Leaves no chemical odor
  • Comes in a pack of 2


  • Easy to use
  • Value for money
  • Safe to use around pets
  • Acts quickly


  • The obnoxious odor may not suit all

9 – Boric Acid Roach and Silverfish Killer Powder by HARRIS

The EPA registered roach-killing powder boric acid-based and is quite easy to use. It is a potent roach killer that can kill whole roach infestations. This roach killer that is made in the USA can quickly kill household pests and keeps them away for weeks with just a single application.

The roach killer formula makes use of a powerful lure to draw out bait-averse or hidden insects. It clings to different roaches before eliminating them. This also spreads the roach killer through colonies and nests, which kills every roach that comes in contact within three days. Because this is a powder-based formula, one can leave small piles of the formula in different areas, or alternatively, just spray it into a visible nest directly.

Key Features

  • Insects die within 72 hours
  • Contains irresistible lure
  • EPA registered
  • Made in the USA


  • Non-toxic product
  • Easy to use and apply
  • Gives quick and long-lasting results
  • Safe to use
  • Can be used in sensitive spots


  • Shipping is limited to specific countries

10 – Home Defense Insect Killer by Ortho

The Ortho Home Defense Insect Killer is an odor-free formula that can be used for killing different home-invading insects such as ants, fleas, cockroaches, ticks, silverfish, and so on. This roach killer creates a barrier that helps in keeping the bugs and insects away and helps in eliminating them. It also prevents new bugs away for up to 12 months.

This insect killer can be used both indoors as well as outdoors. It does not leave any residue or any kind of foul odor. It also comes with an easy-application wand, which ensures no hand fatigue to the user.

Key Features

  • Kills all types of home-invading insects
  • Prevents new bugs for up to 12 months
  • Does not stain or stink
  • Comes with a wand for easy application


  • Suitable for both indoors and outdoors
  • It is pet-friendly
  • Easily reaches hard locations
  • Non-staining and odor-free
  • Easy to use


  • The wand is not as good and effective

An Ultimate Guide to The Best Roach Killer

It can be a tricky job to buy a roach killer if you do not know what to look for. Not everything would work in the first go or for every situation. Hence, it is vital to have knowledge about what you require before deciding to make a purchase.

In this comprehensive guide, we would be talking about the different types of roach killers, as well as the factors to be considered before buying a roach killer.

Types of Roach Killers

Roach killers can be of different types. The most common roach killers have been listed below with information about each model.

Cockroach Traps

A cockroach trap is excellent for searching the hiding spot of the roaches. The traps are a way to find out the effectiveness of similar other products as well. Such traps can be covered using a sticky adhesive that can capture the roaches. The roaches usually die within a day or two after they are trapped.

Advantages of Cockroach Traps

Using a cockroach trap is a great way to find out the severity of the problem and the location of roaches. In case a good number of roaches get trapped, it means that their nests are close by. Cockroach traps are useful if there are only a small number of roaches in the home. For a significant infestation, you need to use some other more effective method.

Disadvantages of Cockroach Traps

The most significant disadvantage of a roach trap is that they are useless in case of a massive roach infestation. Roaches can escape from the trap and continue multiplying. One more disadvantage is that the roach traps are higher maintenance than other roach killers as one has to keep on replacing them. These traps also cannot kill the insects or roaches instantly.

Cockroach Baits

Roach baits are quite different from traps. These are made from an insecticide, which features a delayed-action and also has an attractant to lure the cockroaches to the bait. When the roaches eat the bait and take the bait back to the nest, they tend to share it with others. This way, other roaches would also be lured into the bait and subsequently killed. These are great for controlling a roach infestation and are also quite popular with the people.

Roach baits can be of several types. They can be in the form of gel baits, granules, and bait stations. You just need to place the stations at specific points around the house. Some roach baits also use gel attractants, which are irresistible to cockroaches. Gels are also considered to be more effective for crevices and cracks as they act as a poison. Granules are generally larger and are more suitable for outdoor usage.

A roach bait can be used both outdoors as well as indoors. However, they are more useful for indoor usage where one can put them anywhere.

Advantages of Roach Baits

Roach baits are considered good as they are mostly consistent in working. They generally operate over a period and help in cockroach control by eliminating the roaches from their nests. This way, they do not multiply, and the majority is killed. A roach bait also prevents the roaches from coming back. These should be generally used in combination with other cockroach killers.

Disadvantages of Roach Baits

Roach baits do not have any instant gratification while using; however, you would see improvement within some days. These types of roach killers work gradually and in a domino effect. If a more significant number of roaches eat the bait, the higher level of insecticide takes place, and it quickly spreads across the other roaches.

In case the baits are not kept near the cockroach infestations, this method would not be effective enough. The placement of the bait can be determined by the location of the roaches.

Roach Sprays

Roach sprays are of two types: residual and non-residual sprays. Residual sprays are the ones that leaves the active insecticide upon the surface of the sprayed area. Non-residual sprays are the ones that kill on contact. Both of these sprays are entirely effective for home infestation problems as they can kill roaches. These also stop the roaches from entering the house from outside.

One of the best treatments for eliminating roaches involves using both the residual as well as non-residual sprays in combination. The residual spray creates an insecticide barrier for roaches. You can also use other kill-on-contact sprays for flushing the roaches out of their hiding area. Roaches can also scatter through the spray fumes while going across the residual spray. This even kills the roaches which the contact spray could not reach.

Advantages of Roach Spray

A roach spray acts as an excellent tool for using in conjunction with other methods as they have a limited effect while used alone. Roach sprays don’t have the required chemicals to disrupt the reproductive rate of the roaches.

While using roach spray, one should not spray on the bait that has been placed around. You should spray the cracks and crevices using a residual spray before putting the baits down. The roaches would crawl through the residual chemicals as they eat the bait. They would also take the bait back to the nest. This acts as an effective one-two punch for eliminating roaches. Sprays also have a chemical odor, which can be bothersome for many people, and the spray can also stain your furniture if not used carefully. One should also not spray when children or pets are around.

Another good thing about a roach spray is that they can kill on contact. Hence, many people use the roach sprays as the first line of defense against roaches as they destroy the roaches immediately. However, it is crucial to team them with traps and baits or even IGRs to get rid of significant infestations.

Disadvantages of Roach Sprays

Roaches generally tend to have a fast reproduction rate; hence using spraying alone might kill groups at one point of time but would not slow down or lessen their reproduction rate. Roaches also tend to hide well, and many times, sprays would not be able to reach their nests. Sprays generally work better as a barrier.

Insect Growth Regulators (IGRs)

IGRs are generally used for disrupting the reproductive system of the roaches. It acts as a kind of roach birth control by disrupting their egg as well as the different larvae stages of their life cycle. IGRs also work great if combined with other roach killing methods.

Advantages of IGRs

The best benefit of using an IGR is that it disrupts the reproductive system as well as the lifecycle of the roaches. Thus, the roaches would not be able to multiply. One should apply the IGR method along with baits, traps, and sprays for controlling as well as eliminating the roach infestation.

Disadvantages of IGRs

Mostly, IGRs can quickly eliminate the reproductive capability of a roach but does not kill the adult roaches. However, they are not suitable for a single battle against a particular roach problem, hence, they would have to be combined with other roach killer methods.

Factors To Consider Before Purchasing A Roach Killer

There are several factors that need to be kept in mind before purchasing a roach killer. Following are some of the factors that need to be considered:

Type Of Roaches

Roaches are of different types. Besides adult roaches as well as baby roaches, many other species can be found lurking in an infesting apartment or building. For example, one of the sturdiest roaches to kill is the German roach, which may be difficult to kill by even the best roach killer. Thus, you need to know which all roaches you need to eliminate before you buy a roach killer.

Active Ingredients

Most of the roaches can be destroyed with the help of chemicals. Many pest control authorities have limited the use of chemicals for home use as they might pose a threat to the safety of the people. Unfortunately, this same limited use also counts for other poisons like ra Many might even contain toxic ingredients such as fipronil, abamectin B1, Indoxacarb, Hydramethylnonor Pyriproxyfen, which can turn out to be quite dangerous if given lethal doses. You thus need to check the active ingredients in a roach killer.

Form Of Bait

There can be liquid sprays or powdered acid baits for eliminating roaches. There are different kinds of roach killers which can be used to keep the house free from roaches:

  • The gel bait is odorless as well as invisible
  • The liquid spray can give instant results, however, cannot reach the roach nest
  • A powdered acid is a pocket-friendly option that is usually used if you have an ant and roach problem
  • An insecticide is a roach killer that can be used for large buildings with nest colonies

Safe For Children And Pets

If you are looking for a fatal ingredient, check whether the product is child and pet friendly. The best roach baits mostly have harmful substances that are not suitable for the kids. In an emergency, rush to the doctor immediately. Although most of the roach killers are harmless, they can have adverse consequences if ingested.

Indoor Or Outdoor Use

Although most of the gels can be used both indoors as well as outdoors, however, it is vital to know their exact usage area. The gel-type also depends on the problem that you have. In case the roaches come from outside, then you need to fill the cracks with the help of a gel. In case you are unsure about how the roaches are entering the house, go for a gel that can be used inside as well as outside your home.

How Quickly It Works

An essential factor to consider while purchasing a roast killer is to consider how fast it works and eliminates insects, roaches, and bugs. Most of the roach gels start working immediately and eliminate the roaches within a few hours. Others might take some time. Make sure to read the reviews of a product before purchasing it.

Some Frequently Asked Questions (FAQs)

Do roach killers work?

Roach killers are one of the best ways to kill and eliminate roaches from your house. There are different types of roach killers available, and you need to check which one suits you the best according to your requirements.

What do roaches hate?

Roaches particularly hate the smell of citrus. In particular, this means that one can use cleaners that are citrus-scented in the kitchen, bathroom as well as any other infected area for chasing the roaches away. Another thing you can do is keep some citrus peels around the home in different places. Other smells that they hate are lavender and eucalyptus.

How do I get rid of roaches naturally?

Many natural remedies can be used for killing roaches naturally. Some of the natural home remedies for killing roaches are as follows:
Boric Acid
Baking Soda and Sugar
Fabric Softener Spray
Lemon Peels or Lemon Juice
Bay Leaves
Diatomaceous Earth
Coffee Traps

How do I get rid of roaches forever?

Just to get ready for the roaches forever, there are several steps that you can follow. These have been listed below:
Identify the problem areas and use caulk for closing the gaps. So, this will prevent any further infestation
Place gel-based bait stations for reducing the roach population
Also apply boric acid powder for better effectiveness
In case you still face problems, you can always take the help of a pest management professional


The above reviews are of the best roach killers available in the market as of date. These would help in eliminating roaches from even the tight corners of the house. Additionally, the comprehensive buying guide would you in making the right choice.