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InvisibleHand shows a discreet notification when the product you're browsing can be bought for a lower price elsewhere. It gives you a link directly to the product page at the competing retailer.


  • It stays out of your way: InvisibleHand remains invisible until it finds a deal on a product you're shopping for.
  • Real-time prices: Unlike price comparison sites, InvisibleHand refreshes its prices every single time you use it.
  • It works with Google: When you google a product, InvisibleHand will automatically show the lowest real-time prices.
  • Reveal hidden prices: more...


  • Mac OS X 10.5 or later
  • Safari 5 or later

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InvisibleHand User Discussion

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Harv Member IconComment+340

I downloaded from the developer's site, and yet, the version number remains at v2.8.2. Is it moi or perhaps the update did not get reflected in the interface?

Aside from that, the extension works much as designed.

Reply3 replies
Version 2.8.4

2.8.4 shows up in Safari under the Extensions Updates, but it will not install for some reason... Odd.


Hey guys, I got in touch with the developer and it should properly download / update as 2.8.4 :)


Thanks Ryan! As you said, it now (again) works as advertised.

user icon+0
Version 2.8.4
> 5 1


Current Version (2.x)


Downloads 1,750
Version Downloads 1,140
License Free
Date 13 Jul 2011
Platform OS X / PPC 32 / Intel 32
Price Free
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