Is the Safer Home Indoor Fly Trap Worth It?

Worth it for small, ongoing gnat problems, not for real infestations
around $20price at time of review — check Amazon for current
- Worth it ifyou're dealing with a few fruit flies or gnats, not a swarm
- Skip it ifyou have a full-blown infestation that needs active treatment
Amazon shoppers rate it 4.4 out of 5 across 5,985 ratings. That is their number, not ours.
By Marcus Hale, lawn & garden · updated 2026-07-29
As an Amazon Associate, Is It Worth It Reviews earns from qualifying purchases. It costs you nothing extra, and it has never changed a verdict.
You know the moment: it's late, you're rinsing a glass at the sink, and one of those tiny gnats keeps looping past your head no matter how many times you swat it away. It vanishes the second you turn the light on, then reappears the moment you look away. That's usually the point people go looking for a safer home indoor fly trap instead of another can of spray.
Here's the trick worth knowing before you plug one in. Fruit flies and gnats are drawn to UV light more strongly than they are to almost anything else in your kitchen, so instead of chasing them, the trap just makes itself the most attractive thing in the room. A small UV LED runs behind a StickyTech glue card, and every bug that flies toward that glow lands on the card instead of your countertop. There's no spray, no scent, and nothing airborne, which is the whole reason it's fine to leave running near a fruit bowl or a litter box. The catch is timing: UV light does its best work in a darker room, so a unit competing with daytime glare in a sunny kitchen is working at a fraction of its potential compared to the same trap at night. The rotating plug lets you angle it into whichever outlet is actually near the problem, not just the one that's free, and with two units covering roughly 400 square feet each, you're really buying enough range to run one in the kitchen and one wherever the gnats keep starting from.
So you're not really buying a bug zapper, you're buying a light that insects find more interesting than your kitchen, plus a card that quietly cleans up the result. Judged that way, the question isn't whether it kills flies, it's whether your gnat problem is small enough for a light and a sticky card to out-compete.
Worth it if
- you're dealing with a few fruit flies or gnats, not a swarm
- you want a chemical-free option that's safe to run around kids and pets
- you can run it overnight in a room that gets reasonably dark
Skip it if
- you have a full-blown infestation that needs active treatment
- the room stays bright most of the day with no way to dim it
- you're hoping it handles mosquitoes or larger outdoor pests
If you already have swarm-level flies or a real infestation, this trap will help around the edges but it isn't a substitute for treating the source.
If you're dealing with the odd fruit fly or gnat drifting in from produce or houseplants, this is a quiet, low-effort yes, plug it in near the mess and let it run overnight. If you're facing an actual infestation, an outdoor swarm, or anything spray-level, this won't keep up, and you're better off treating the source directly.
Check price on Amazon · around $20 or Add it to your Amazon cart to sit on it
Before you go
Does a safer indoor fly trap work?
Yes, for small numbers of fruit flies and gnats indoors, the UV light draws them to the glue card reliably, though it's not built to clear out a heavy infestation on its own.
How do you use the safer home indoor fly trap?
Plug it into an outlet near where the flies are gathering, kitchens and houseplants are typical spots, and leave it running continuously since it works best in a darker room.
How often should you replace safer home indoor fly trap glue cards?
Replace the card once it's visibly covered in trapped insects, which for an active gnat problem tends to be every few weeks rather than on a fixed schedule.
Full spec sheet
| Brand Name | Safer |
|---|---|
| Unit Count | 4 Count |
| Item Type Name | Safer Home SH502-2SR Indoor Plug-In Fly Trap for Flies, Fruit Flies, Moths, Gnats, and … |
| Model Number | SH502-2SR |
| Manufacturer Part Number | SH502-2SR |
| Target Species | Fly |
| Power Source | ac |
| Item Dimensions L x W x H | 5.63"L x 5.31"W x 5.31"H |
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