What format does iOS support for ringtones?

[Laura Knotek]

I am a Windows PC and Android phone/tablet user.

I'd like to make a ringtone for iOS using Audacity. The current format is FLAC.

After I clip my selection, what format do I need to export it to in order for it to play on iOS?

 

[anon(9602380)]

I am a Windows PC and Android phone/tablet user.

I'd like to make a ringtone for iOS using Audacity. The current format is FLAC.

After I clip my selection, what format do I need to export it to in order for it to play on iOS?

.m4r, but here is a guide on it from Highrisedrifter.