1. This extension has hooks to prevent being deleted when you attempt to uninstall it. This alone should be grounds for removal from the marketplace. ONCE INSTALLED, THIS CANNOT BE UNINSTALLED - FIREFOX WAS UNABLE TO REMOVE EXTENSION IN TROUBLESHOOTING MODE. Functionally, this is a virus.
2. Capital One advertises this extension as earning you $40 off an order you are placing in return for installing the extension. This is a straight-up lie and constitutes fraud.
3. This extension not only monitors every page you visit, but all your personal data such as reading your emails when you open them (e.g. GMail) - it says so right in the privacy policy. How is this legal? How has this not received any pushback? If Google said they'd be advertising to you based on your doctor's email to you, there would be hell to pay.

uesless. does not provide any realized savings. The savings it offers at walmart are literally $0.02. The savings offered at Amazon are off the list price, not amazon's price, so often there is no savings and when there are it is $1-$1.50 on a $100+ item, less than 1% savings, and you have to order from some other merchant who does not provide 2 day shipping

After a purchase from a legitimate retailer, I got a false offer to get $40 credit if I installed this browser extension. I installed it, and of course, no $40 Capital One credit. I did have a $15 reward listed, but it only applied to a gift card purchase, and the only retailer I had any interest in has a minimum gift card purchase of $25. I'm not shocked that the gift card credit was a lie, but since the offer came after a purchase on a legit website, it makes it more fraudulent.

DONT WASTE YOUR TIME! On capital one page they promised 30 to try this. This is a joke, made me install extensions on all browsers, accept millions of terms, create logins and in the end, when all was created, no 30 on my account. STAY AWAYYYYY!

Installed correctly. Tried to use the "CODES", NONE WORKED.
(waste of time)
UNINSTALLED!

On installation, the user has to go through a set-up process. It asks for your email. I have a throw-away email address, no problem. Then it requires setting a password. For a browser add-on? Ok, entered. Then my zip code. It says it needs that to calculate shipping. Ok, but you're starting to make me nervous. Then, it asks for your phone number. Says it won't work without it. Uh, no thanks Capital One Shopping add-on, I think I'll decline. This is one of the most privacy-violating add-ons or apps I've seen in a long, long time. Mostly all developers have realized folks just don't go for that anymore so they quit asking. Not this add-on, they want everything you're willing to give them.

it doesn't work

Not about to download an extension that logs my web browsing to target unwanted pop ups and emails. Not worth the hassle.

Too difficult to install. Not worth the time or frustation

Don't see where it was added! Don't know where to add permissions! Keeps going in circles without providing how activation gets done!

THE MOST ANNOYING BROWSER ADD-On EVER!! (it also slows down Firefox browsing)
Whatever savings might be earned are easily offset by the annoyances and slow check-out process. It's just a scam to be able to track your purchases and sell that info to retailers.

The pop-ups are very annoying. The majority of the time the pop-up will appear in a bad location, blocking buttons on the main page I am browsing, and there is no way to close the pop-up so I just have to wait for it to automatically close.

How does it work? I've installed it, ticked all option checkmarks, just to make sure to see it at least once while browsing Amazon and trying this addon... But nothing shows up on Amazon Canada, not on product pages, not on the cart page, not on the checkout page... It simply doesn't work, hence it resolves to a Web spider lurking behind you wherever you go or you buy on the web. Removing!

Always says you have the best price, never anything better

Extension has never worked since before capital one bought it from wikibuy. Promotions DON'T WORK, Coupons DON'T WORK, and worse is that contacting Capital one about the problems with their app DOESN'T WORK either. Samuel L. Jackson is awesome but this Mother F$^%#@& Capital One Shopping app DOESN'T WORK or do anything but waste your time.

This add-on launches many requests without any user interaction if it detects a coupon code section on a page. Sometimes it'll roll through as many as 20 different codes, applying each of them to determine the amount saved. Often times this automatic runaway process straight up breaks sites or shopping carts by triggering rate limiters or overriding manually-selected discounts/affinities. The settings are - I believe - somehow managed through the capitaloneshopping web site, but it is not at all clear what settings will change what behavior in the add-on. If the Capital One name were not tied to this add-on then I would instantly disregard it as malicious. The links section here all point to generic web pages that are not at all related to the add-on which frankly behaves like it's compromised.

It interferes with the Lowes.com website. Besides their coupons or savings don't add to much after all. I will be removing it.

I have had this for years and as far as I can tell it has never ever actually saved a dime. Claims to find a discount but never ever actually applies one.