Top Up Now is a free app developed by Electricity Supply Board for iPhone users to manage their Electric Ireland PAYG Electricity Account. The app enables users to make one-click top-ups, review top-up history, update account details, and check out FAQs and Terms and Conditions.

With Top Up Now, users can log into their Electric Ireland PAYG account and top-up their meter by pre-set amounts such as €10, €20, €30 and more. If users don't have an account, they can create one through the app. The app also allows users to make once-off top-ups and save their details for future use.

Moreover, Top Up Now provides a convenient way to review top-up history by month and year. Users can also update their debit/credit card, password or meter details on the app. Overall, Top Up Now is a user-friendly app that makes it easy to manage Electric Ireland PAYG accounts on the go.