Google announced the Firebase App Indexing API. The API allows users to search for content within the Google app and find personal or public content across apps installed on a particular device. Because the content is stored on the device, the API is functional whether a user is online or not.
We've covered Factual a number of times, most recently asking if it will become the go-to location database. Now the company has expanded its offering with improved datasets, new datasets and a new iPhone SDK. Its local data now covers 27 countries and contains more than 30 million individual business listings.
Data aggregation platform MightySignal aims to improve the visibility of app data to provide insight into the mobile app economy. In this app index, the company shows the most popular SDKs used by the App Store Top 200, showing the top 8 apps that use each one, as well as all other SDKs they use.