British businesses and charities can now send group text messages for as little as 3.9p per message.
TextTank.co.uk, launched this week by CardBoardFish, is the cheapest flat-rate service available in the UK.
Accounts take just seconds to set up, with no set-up costs, no recurring fees, and no software to install.
Users can pay for and send texts immediately, with a minimum purchase of £15.
Texts in the UK cost 3.9p per message, whilst international texts, covering more than 200 countries, cost 5p per message.