Amazon and Google both have revealed free versions of their music streaming services, ramping up pressure on Spotify’s place as the world’s most popular music streaming app.

The two technology giants will launch their free services for their respective smart speakers: the Amazon Echo and Google Home.

Amazon will launch a free version of its Amazon Music Unlimited service for its Alexa-powered Echo devices, which will include advertising. The smart speakers will let listeners request songs using their voice. The free service will initially only be available in the US.

Google, meanwhile, will launch a free version of its YouTube Music service in 16 countries, including the UK, also supported by adverts.

The launches dial up the pressure on Swedish music streaming company Spotify, which until now was the only major music streaming service to offer parts of its app for free. Spotify has grown to more than 170m active users and has used its free app to entice consumers to pay for its paid-for Spotify Premium service.

Both Amazon Music and YouTube music will only let consumers use a limited version of their music apps and only play music from their smart speakers. Amazon said it will let users play songs from “an ad-supported selection of top playlists”, while YouTube Music will let users search by genre.