All you need is a computer with a keyboard, a reliable high-speed internet connection, and a pair of headphones or earbuds. Also, Rev's software is optimized to work with the latest version of Google Chrome. As a backup browser, Rev recommends Mozilla Firefox.
Please note that Rev's software is not compatible with tablets nor smartphones. At times, captioners may preview and claim files on these devices and can submit from them in a pinch, but do not do captioning work on mobile devices.