FoxData offers free access to this feature: App Movement
This page provides you with top changing apps about biggest mover and loser apps filtered by device, country and category. It would help you keep up with the market better while planning your marketing strategy.
To better analyze data, you can use the following filters and options:
1.Click here to select biggest mover or loser to see rank changes, initial release date, and more details of apps.
2.Click here you can select the app store or google play.
3.Click here to select different category to see more specific information such as games/overall rank or free/paid/gross rank.
4.If the app you selected is iOS, you can click here to switch the different devices such as iphone or ipad, however if you have selected the google play, there is no need to choose.
5.Click here to filter different country or region.
6.Click here to select different period of time.
To access the rank of the APP, simply click on the APP on the table, and you will jump to Category Ranking page.
When hover on the App, you can see the App Id and you can copy it directly.
This chart can be exported, if you want, click on the Export icon in the top right.
For you have any other questions, please check out the link: Product Feedback