StoreDeal.ai store
Shop
  • Deals
  • Deal checker
  • Black Friday
  • Buying guides
  • Brands
  • Stores
Travel
  • Flight deals
  • Hotel deals
Company
  • Research
  • Press
  • Use in AI assistants
  • Contact
  • deal.ai apps
Black Friday 2026
  • Walmart
  • Best Buy
  • Target
  • TVs
  • Laptops
  • Headphones
  • Apple
  • Gaming
  • Vacuums
  • Kitchen
  • Toys
  • Smartwatches
  • Tablets
  • Furniture
  • Mattresses
© Deal.ai Inc.·2222 Ponce de Leon Blvd, Miami, FL 33134·support@deal.ai
TermsPrivacy
Deal.ai › Compare

ACE Brand Adjustable Knee Strap vs Mueller Knee Strap

Both are one-size patellar straps for runner's knee and patellar tendonitis, and both are simple, low-profile designs. The ACE has a reinforced gel pressure pad and breathable material, and it carries a 30-day satisfaction guarantee; owners rate it 4.3 out of 5. The Mueller is a plain nylon strap with no written warranty and no published rating here, so the ACE is the safer pick unless you specifically want a basic strap.

  • Choose the ACE Brand Adjustable Knee Strap if you want a gel pressure pad, breathable fabric and a 30-day satisfaction guarantee behind it.
  • Choose the Mueller Knee Strap if you want a simple, low-profile nylon strap and don't need a gel pad or a written warranty.

Prices

  • ACE Brand Adjustable Knee Strap: $13.93 at Masterworks Online (last seen Nov 9)
  • Mueller Knee Strap: $17.75 at Walmart (checked today)
  • Difference: the ACE Brand Adjustable Knee Strap is $3.82 cheaper than the Mueller Knee Strap at the latest prices (Nov 9 and Nov 14)
ACE Brand
ACE Brand Adjustable Knee Strap

ACE Brand Adjustable Knee Strap

4.3(216 ratings)
$13.93at Masterworks OnlineChecked Nov 9
See all prices and details
Visit Masterworks Online
Pros
  • Gel pressure pad targets the tendon with adjustable pressure
  • Breathable fabric reduces heat buildup during runs
  • 30-day satisfaction guarantee
  • Strong owner rating from a large number of reviews
Cons
  • Only comes in black
  • One size may not fit very large or very small knees
  • Gel pad can feel bulky under tight pants
Mueller
Mueller Knee Strap

Mueller Knee Strap

4.3(5 ratings)
$17.75at WalmartChecked 46 min ago
See all prices and details
Visit Walmart
Pros
  • Simple nylon strap stays put during activity
  • Stated fit range of 12-20 in covers most adults
  • Low-profile design fits under clothing
  • Easy on and off
Cons
  • No gel pad for focused pressure
  • No written warranty
  • No published rating to judge owner satisfaction
  • Only comes in blue

What separates them

ACE Brand Adjustable Knee StrapMueller Knee Strap
Pressure padReinforced gel pressure pad under the strapNo gel pad; plain strap pressure
Material and breathabilityBreathable material that releases excess heatNylon, no breathability claim
SizingOne size, adjustableOne size fits most, stated 12-20 in / 30.5-50.8 cm circumference
Warranty30-day satisfaction return for refund or replacement with proof of purchaseNo written warranty
Owner feedback4.3 out of 5 from 216 ratingsNo rating published on this listing
ColorBlackBlue
Fit profileStrap sits below the kneecap on the tendonStrap sits below the kneecap on the tendon

Price history

$25.85$12.97
Nov 7Nov 14
  • ACE Brand Adjustable Knee Strap: lowest $12.97 on Nov 10 at Walmart.
  • Mueller Knee Strap: lowest $17.75 on Nov 14 at Walmart.

Prices at every store

ACE Brand Adjustable Knee Strap

  • WalmartNew

    In stock

    $12.97+ $5.99 shippingChecked 46 min ago
    Visit Walmart
  • Masterworks OnlineNew

    Availability unknown

    $13.93Checked Nov 9
    Visit Masterworks Online
  • Magellan Distribution CorpNew

    Availability unknown

    $17.55Checked Nov 9
    Visit Magellan Distribution Corp
  • Eio.comNew

    Availability unknown

    $21.34Checked Nov 9
    Visit Eio.com

Also available at

  • WalmartCheck price at Walmart
All 10 stores and price history →

Mueller Knee Strap

  • WalmartNew

    In stock

    $17.75Checked 46 min ago
    Visit Walmart

Also available at

  • WalmartCheck price at Walmart
Prices and history →

Specs compared

SpecACE Brand Adjustable Knee StrapMueller Knee Strap
colorBlackBlue
sizeOne SizeOne Size
multipack_quantity1—
TypeKnee—
Body part—Knee
Brace, splint & sling type—Strap
Features—Adjustable
Material—Nylon
Brand—Mueller
Activity—Sport
Age group—Adult
Pattern—Solid Print
Show all 17 specsShow fewer specs
SpecACE Brand Adjustable Knee StrapMueller Knee Strap
Items included—1 Knee Strap
Has written warranty—No
Manufacturer—Mueller Sports Medicine
Color category—Blue
Actual Color—Blue

What reviewers say

ACE Brand Adjustable Knee Strap

  • 4.3 / 5216 ratings

Rated 4.3 out of 5 from 216 ratings, buyers mostly find it an inexpensive, effective fix for pain below the kneecap. Complaints center on fit and the strap loosening with movement.

What people mention
  • Pain reliefPraisedBuyers say it reduces the ache below the kneecap while running.
  • AdjustabilityPraisedThe hook-and-loop strap lets wearers dial pressure up or down.
  • FitMixedOne size works for many, but some find it too tight or too loose.
  • SlippageCriticisedSome owners report it loosening or sliding during longer runs.

Questions and answers

Which is better for runner's knee?
Both target patellar tendonitis and runner's knee the same way, with a strap below the kneecap. The ACE adds a gel pressure pad, which some runners find more comfortable on the tendon.
Which lasts longer?
Neither has a published lifespan. The ACE backs its strap with a 30-day satisfaction guarantee; the Mueller has no written warranty, so long-term durability depends on care.
Is the ACE worth stepping up to over the Mueller?
If you want a gel pad, breathable fabric and a guarantee, yes. If you just want a basic strap and the Mueller fits your knee, it does the same core job.
Will either fit my knee?
The Mueller states a fit range of 12-20 in (30.5-50.8 cm). The ACE is one size and adjustable but publishes no range, so measure your knee before ordering.
Can I wear either under pants?
Yes. Both are low-profile straps worn below the kneecap. The Mueller is the thinner of the two; the ACE's gel pad adds some bulk.
Do either help with arthritis?
The Mueller lists arthritis and chondromalacia among the conditions it relieves. The ACE describes pressure on the injured tendon, so it is aimed more at tendon pain.

Ask our shopping agent

It checks today's price at every store, compares the alternatives and answers in about a minute.

Enter to send, Shift+Enter for a new line

More comparisons

  • ACE Brand Adjustable Knee Strap vs Advanced Patella Strap
  • Advanced Patella Strap vs Mueller Knee Strap
  • Pro-Tec Patellar Tendon Strap vs ACE Brand Adjustable Knee Strap
  • Pro-Tec Patellar Tendon Strap vs Mueller Knee Strap

Buying guides that pick them

  • Best knee support straps for patellar tracking pain