Appen Voice is a free Internet calling app that is specifically designed and developed for facilitating and recording Internet-based phone calls. This app is not intended for personal use, as the recorded data will be sent directly to Appen for the development of speech technology. To use this app, you need to be given Appen task details, including access credentials. Once you have received login details and task information, you can download the app and start making calls.

With Appen Voice, you can make Internet-based phone calls that are recorded and used for speech technology development. This app is ideal for those who are interested in contributing to speech technology advancements. Appen Voice is easy to use and offers a seamless call experience. The recorded data is sent directly to Appen, ensuring that it is secure and confidential.

Overall, Appen Voice is a great app for those who want to contribute to the development of speech technology. It is free to use and offers a seamless call experience. However, it is important to note that this app is not intended for personal use and the recorded data will be sent directly to Appen for the development of speech technology.