WhatsCheck-Directly Message WA is a simple and convenient tool for Android users to check if a phone number is using WhatsApp Messenger (WA). With this app, you can easily view WhatsApp profiles, send messages or make calls to unsaved numbers, and even message yourself. It also provides a feature to find your phone neighbor on WhatsApp and check which of your saved contacts are using WA Messenger.

To use the app, simply select the country from the dropdown list and enter the telephone number. The app will automatically populate the international country code for you. It's important to note that you should include the local area code if applicable, but do not include any "+" or leading zeros.

WhatsCheck-Directly Message WA is a free app developed by Hapi Apps. It is categorized under Utilities & Tools and is not affiliated with WhatsApp. With its user-friendly interface and useful features, this app offers a convenient way to check WhatsApp usage and interact with contacts on the platform.