We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-09-29 · 6 min read · Independent comparison
If you want a secure fit that comes from inside your ear — memory foam that expands to fill the canal and stops the bud from working its way loose — choose COMPLY Memory Foam Replacement; if you need an external anchor that hooks around the outside of your ear to keep a loose-fitting earbud from flying off mid-run, choose Baluue Silicone Earphone Earhook.
• COMPLY's biggest strength: body-heat-activated True Memory Foam that molds to your ear canal for a customized, grippy, noise-blocking seal — and it's cut specifically for the AirPods Pro 1 and 2.
• COMPLY's biggest trade-off: it only fits Apple AirPods Pro (Gen 1 & 2), it's a consumable you'll replace over time, and it needs gentle warm-water care — no alcohol cleaners.
• Baluue's biggest strength: 40 silicone pieces (20 left, 20 right) that clip over your existing earbuds and hook the outer ear for anti-slip, anti-loss anchoring — no need to change the tips themselves.
• Baluue's biggest trade-off: it's a generic silicone sleeve, not a device-specific tip, and it adds bulk around the bud rather than fixing the in-ear seal.
• Who each pick is for: COMPLY if you own AirPods Pro and want a better seal, comfort and noise isolation; Baluue if you want a cheap, universal outer-ear grip for buds that keep popping out during sport.
The COMPLY Memory Foam Replacement is a set of three pairs of True Memory Foam ear tips in black, sized small, medium and large so you can dial in the fit that actually matches your ears. The pitch here is comfort and grip from the inside out: instead of rigid silicone, the foam is body-heat activated, meaning it softens and expands to mold to the shape of your ear canal. That's what makes it feel less like a plug and more like a made-to-measure fit.
For anyone whose AirPods Pro start to ache after an hour, or who constantly feels one bud loosening during a commute or a workout, this is the fix. The foam's grip on the canal wall is the reason people reach for it — a better seal means fewer distractions and better noise blocking, which in turn lets you listen at lower volumes. That last point is genuinely useful: less ambient noise leaking in means you don't have to crank the volume to hear detail. Because the tips are engineered to the right length and shape for the AirPods Pro, they seat properly and won't interfere with charging.
Baluue Silicone Earphone Earhook: Who It's For
The Baluue Silicone Earphone Earhook takes the opposite approach. Rather than replacing the tip, it's a silicone cover and hook that slips over your existing earbuds and anchors them to the outer ear. You get 40 pieces total — 20 left covers and 20 right covers — in black, made from silicone, each roughly 3.00 x 1.40 x 0.50 cm. The whole idea is anti-slip and anti-loss: when you're running, jogging or doing other sport, the hook and cover keep both earbuds comfortably anchored so they don't tumble out.
This is a practical pick for a very specific problem. If your earbuds fit fine but the moment you start moving they work loose, an outer-ear hook addresses that directly without you having to buy new tips or worry about a device-specific fit. It's also a nice way to refresh a pair of buds whose original hooks are old or grimy — you can replace the dirty hook and keep the earphone looking clean. The listing even frames it as something you could gift to a friend or family member, which tells you the brand sees it as a low-commitment accessory.
The trade-offs are worth being honest about. It's a generic silicone sleeve, not a precision-tailored tip, so it doesn't do anything for the in-ear seal or noise isolation — it's about retention, not sound. The product info lists "Camcorders" under compatible devices, which is almost certainly a mismatched field rather than a real limitation; treat this as a universal-fit accessory that you'll want to check against your specific earbud shape. And there's no warranty stated on the sheet, so it's a buy-it-and-try-it item. If your problem is sound quality and comfort inside the ear, this won't solve it — that's COMPLY's territory.
Side-by-Side: Which Should You Choose?
• Best for keeping loose earbuds from falling out during sport → Baluue Silicone Earphone Earhook. The hook anchors to the outer ear for anti-slip, anti-loss grip.
• Best if you own AirPods Pro (Gen 1 or 2) → COMPLY. It's engineered specifically for those models, and won't interfere with charging.
• Best if you want a universal, device-agnostic add-on → Baluue. It works as a sleeve over your existing buds rather than a model-specific tip.
• Best for all-day comfort and ear-pain relief → COMPLY. The body-heat-activated foam adapts to your ear for a customized fit.
• Best for value in quantity → Baluue. 40 pieces (20 left, 20 right) means plenty of spares and replacements.
• Best for a gift or a quick refresh of old, dirty hooks → Baluue. The silicone covers let you replace worn hooks and keep buds looking new.
• Best if you want a low-maintenance, no-care item → Baluue. COMPLY foam is a wear item that needs gentle warm-water cleaning and no alcohol.
If I had to pick one, I'd buy the COMPLY Memory Foam Replacement — but only because it solves the harder problem. In my opinion, a secure fit that starts inside the ear canal is the real fix for buds that loosen, ache or let noise in, and the heat-activated foam plus AirPods Pro-specific shaping is exactly the right tool for that job. The Baluue Silicone Earphone Earhook is a genuinely useful, no-fuss accessory if your buds fit well but won't stay put during sport, and the 40-piece count gives you plenty of spares. My honest split: choose COMPLY for comfort, seal and sound; choose Baluue for cheap, universal outer-ear retention. If you own AirPods Pro and want the better experience, go COMPLY.
For in-ear grip, memory foam generally provides a better hold than silicone because it expands to fill your ear canal, which is why COMPLY markets it for a secure, anti-slip fit. Baluue's silicone works differently — it hooks the outer ear — so the two solve retention in different places.
Will the Baluue Silicone Earphone Earhook fit my earbuds?
No — per the specs, they're made for Apple AirPods Pro Generation 1 and 2 only. If you're on another brand, this particular set isn't for you, and you'd be better served by a retention accessory like the Baluue hooks.
I don't quote prices here because they change, but the page has a "Check latest price on Amazon" button so you can see the live figure for whichever option you're leaning toward.
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