AliPrice.com -- Your price tracker for Amazon.
Amazon Price Tracker - AliPrice Assistant is a useful extension for Amazon.
Currently it works on amazon.com(US), amazon.co.uk(UK) and amazon.ae(UAE).
✔ Convenient shortcuts to Amazon and package tracker
✔ Price history of Amazon products
✔ Price drop alert
✔ Hover zoom
If there are any problems or advice, just feel free to let me know.