Comparison
Kasa Smart WiFi Light Bulb Multicolor (KL125) vs LIFX Color A19 (1100 Lumens) Smart Bulb: Which Should You Buy? (2026)
| At a glance | Kasa Smart WiFi Light Bulb Multicolor (KL125) | LIFX Color A19 (1100 Lumens) Smart Bulb |
|---|---|---|
| Rating | ★★★★⯨ 4.6/5 | ★★★★★ 4.3/5 |
| Price | $13-20 | $45-60 |
| Best for | Anyone wanting a cheap, trustworthy color bulb that sets up in minutes without a hub. | People who want maximum brightness and color saturation without committing to a hub. |
| Guarantee | Amazon return policy applies | Amazon return policy applies |
| Check Today's Price → | Check Today's Price → |
These two bulbs solve the identical problem — a color-changing A19 that screws into a normal socket and joins your WiFi with no hub — at very different prices. The Kasa KL125 runs $13–20. The LIFX Color A19 runs $45–60. So the real question isn't "which is better," it's "is the LIFX roughly three times better?" It isn't. But for two specific kinds of buyer it's still the right purchase, and it's worth being clear about which kind you are before you spend the money.
The two bulbs
Kasa Smart WiFi Light Bulb Multicolor (KL125)
A dependable, no-hub color bulb from TP-Link that just works for the money.
$13-20 · Amazon return policy applies
LIFX Color A19 (1100 Lumens) Smart Bulb
The brightest, most saturated WiFi color bulb that needs no hub at all.
$45-60 · Amazon return policy applies
What the extra money actually buys
Three things, and only three.
Output. The LIFX pushes around 1100 lumens with some of the most saturated colors you can buy in a bulb. For reference, a standard 60W-equivalent LED sits near 800 lumens, so this is a genuinely brighter light, not marketing rounding. The Kasa's colors and brightness are good — fine for a lamp, fine for a bedroom — but they don't have the same punch, and side by side you'd see it immediately in the deep reds and blues.
Apple Home. The LIFX works with Alexa, Google Assistant, and Apple Home. The Kasa skips HomeKit entirely. If your household runs on iPhones and you want Siri and the Home app controlling your lights, the Kasa is a non-starter and this comparison is already over.
That's it. Both connect straight to WiFi. Both handle scheduling and scenes. Both do voice control with Alexa and Google. The day-to-day experience of turning a light on is the same.
The honest knocks on each
The Kasa is 2.4GHz-only, which is normal for cheap smart gear but starts to clutter your network if you're filling a whole house with them. And the Kasa app, while reliable and simple, is doing basic-bulb things — this is a value product and it behaves like one.
The LIFX's weaknesses are more interesting because of what it costs. At $45–60 you're in Philips Hue territory, and Hue's hub-based Zigbee mesh is simply more dependable than any bulb sitting directly on WiFi. LIFX bulbs are known to drop off weak or congested networks, so if your router struggles to reach that fixture, you're paying premium money for a light that occasionally needs babysitting. It's also a heavier, taller bulb that won't fit some enclosed fixtures — measure before you order, not after.
Who should skip which
Skip the LIFX if you're outfitting more than a couple of sockets (the price difference multiplies fast), if your WiFi is shaky in the room where it's going, or if it's headed into a tight enclosed fixture. A $15 bulb that connects every time beats a $55 bulb that mostly does.
Skip the Kasa if you're an Apple household, or if the light itself is the point — a media-room accent, a lamp you actually stare at, the one fixture where you want real brightness and color you can feel. The Kasa will do the job; it just won't impress you.
Bottom line
The ratings tell the story: the Kasa sits at 4.6 because it does exactly what a $15 bulb should, and the LIFX sits at 4.3 because it does more but asks more — more money, better WiFi, a roomier fixture. Most people should buy the Kasa, and probably several of them. Buy the LIFX for an Apple home, or for the one or two lamps where you'd notice the difference every single night. Prices on both move around, so check before you commit.