Ad Spy Pro

Built by JP Shoeffel, his intention was to prove that a software can be made available at a cheaper price and be made available to all. What came out is just an amazing effort. Doing what both Under Cover Profits and Google Cash Detective can do at its core and selling at a low price of $67, it is just too much for anyone to resist. While it is still in it's early stages, I have to say that it is a truly remarkable launch with everything worked as advertised.

However, there is still things left to be desired such as a better affiliate tracking which can detect everything from cloaked pages to iframes. Also, it isn't capable of tracking in Yahoo and MSN yet. While each of the above has Click Flipping and Google Cash Automator, AdSpyPro has no Adwords campaign tracker of its own. However, with its creator listening closely to its user's requests judged by their latest updates, it is only the matter of time.

Pros:

* Self Hosted to keep your research safe
* While setup can be technical, the tutorials provided more than enough guidance. A complete setup took less than 10 minutes for myself
* Intuitive and gorgeous user interface
* Provided Proxy Server support in case your IP is blocked by the search engines
* Excellent customer service
* Promising application with the focus on the customer's needs

Cons:

* Not able to track international search engines
* Not able to do a more in depth tracking for affiliate links such as cloaked pages and iframes
* Not supporting Yahoo or MSN (system is in place though and might be available in next update)
* No Adwords campaign tracker to help in monitoring for profitable or non-profitable campaigns

Conclusion:

All three softwares is capable of doing the core function which is to track adwords campaigns which is already live. They can tell you how long they have been online and also some background information of the advertiser.

However, from first looks Under Cover Profits seems to be the most well equipped among them all albeit the high price tag. I would recommend that it is only meant for seasoned affiliate marketers though as you might not have the luxury of losing money to learn how to use it month by month.

Google Cash Detective just might be at a bumpy start with hopes that it might pull through in the next few updates. I would actually recommend that you only join in after all the bugs have been worked out. A quick look through the forums will confirm that.