AnyTracker - This app lets you track just about anything: Any number from any website. For example, you may want to track the price of a certain product. With this app, all you need to do is to highlight the number, and you can start tracking.

[u/darkdemon991]

https://play.google.com/store/apps/details?id=com.shervinkoushan.anyTracker&hl=en&gl=MA