This application has been downloaded and set up by over 1M users and its latest release is dated Jun 8, 2019. In-app purchase items and ads can be found in the app. It's free of charge to get the .apk setup package of Export Contacts For WhatsApp and you can take a look at users' reviews on Droid Informer. This application installer requires 5 MB of free space to run on Android 4.1 and higher.
The way users see it, the app features some important advantages, they are a nice interface and awesome performance. As users state, you can find such drawbacks of this application as many ads and its high cost.