Free SMS services
In 2023 almost every mobile network operator offers free unlimited SMS messages for SIM card subscribers. Take advantage of these offerings, and send SMS messages free of charge with a SIM card and Ozeki SMS Gateway. To use this option, you need to setup Ozeki SMS Gateway with an Android Mobile Phone or you need to use a GSM Modem connection to send your texts.
Free SMS by Vodafone
Free SMS by EE
Free SMS by O2
Free SMS by GiffGaff
Free SMS by Tesco Mobile