Head-to-head · Best Bug Zappers

Flowtron FC4700 Indoor Bug Zapper vs Katchy Indoor Insect Trap

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

The short answer

Katchy Indoor Insect Trap comes out ahead by a clear margin (3.9 vs 4.3). The gap is mostly about budget-conscious indoor pest controllers — read the strengths below before deciding.

Ranked #7 in Best Bug Zappers

Flowtron FC4700 Indoor Bug Zapper

3.9

$89

The Flowtron FC4700 Indoor Bug Zapper is designed for indoor fly control with a 1200 sq. ft. coverage area. Reviewers noted its low-voltage grid system that stuns insects and directs them onto a replaceable adhesive board. The unit includes a fly lure and is described as having silent operation. However, some users expressed concerns about the hidden adhesive board being difficult to access. While it's effective for indoor fly management, it's not suitable for outdoor use and doesn't guarantee effectiveness against all insect types beyond flies. This zapper is best suited for indoor spaces where fly control is essential but may not be ideal for commercial or outdoor applications.

Strengths

— 1200 sq. ft. killing radius suitable for medium indoor spaces
— Low-voltage grid stuns insects and directs them onto replaceable adhesive board
— Easy bulb replacement and includes fly lure for enhanced attraction

Watch-outs

— No escape adhesive board is hidden and may be difficult to access
— Limited to indoor use only, not suitable for outdoor applications
— Does not specify if it's effective against all insect types beyond flies

$89 · Buy at flowtron.com Full review →

Higher ratedRanked #3 in Best Bug Zappers

Katchy Indoor Insect Trap

4.3

$29

The Katchy Indoor Insect Trap offers a non-toxic, child-safe solution for controlling flying pests like fruit flies, gnats, and mosquitoes using UV light attraction and fan suction. According to reviewers, it works best at night when lights are off and the UV light is the brightest source. The manual model is simple but requires user attention, while the automatic version turns on when darkness is detected. The newer Katchy Duo adds a scented bait pod for daytime effectiveness but lacks clear information on bait replacement. While effective for smaller insects, it doesn't catch large house flies. This trap is ideal for indoor pest control but not a complete solution for severe infestations.

Strengths

— Uses UV light to attract insects and fan suction for effective trapping
— Child-safe and non-toxic with no insecticides or toxic substances
— Compact design at 5.5 inches wide and 9 inches tall, weighing only 1.4 pounds

Watch-outs

— Does not trap large house flies or other large insects
— Manual models require user to remember to turn on/off or leave on all day
— Sticky paper needs regular replacement and can be messy to handle

$29 · Check Price on Amazon Full review →

How they stack up

Flowtron FC4700 Indoor Bug Zapper

The Flowtron FC4700 provides 1200 sq. ft. coverage with silent low-voltage stunning, which is more effective than the Katchy trap's UV light and fan suction. Unlike the Aspectek zapper, it uses a low-voltage grid that's safer for homes with children and pets. However, the FC4700's hidden adhesive board makes it less user-friendly than the Zevo trap's easy cartridge replacement system.

Katchy Indoor Insect Trap

Unlike the DynaTrap models which suffer from frequent build quality issues and fan failures, the Katchy Indoor Insect Trap offers a simpler, more reliable design with UV light and fan suction. While the DynaTrap DT3007W provides 24/7 LED trapping, the Katchy is more effective against smaller insects like fruit flies and gnats but lacks the power to tackle large house flies that the Flowtron FC4700 can handle. The Katchy's manual operation is a drawback compared to the automatic DynaTrap models, but it's more child-safe than the Aspectek zapper.

Specs side-by-side

Spec	Flowtron FC4700 Indoor Bug Zapper	Katchy Indoor Insect Trap
Coverage Area	1200 sq, ft.	Up to 1,500 sq ft
Power Source	Electric (120V)	Requires AC plug-in
Capture Method	Electric Grid	Replaceable glue boards included
Light Type	UV Fluorescent	UV light for insect attraction
Dimensions	14.5 x 14.5 x 10.5 inches	5.5" x 9"
Weight	4.5 lbs	1.4 pounds
Target Species	Flying Insects	Flying insects
Noise Level	Silent	Silent

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