I signed up for it as soon as I saw the advertisement. For someone who usually cycles alone and who when tired, cold, wet and far from home often has slight pit-of-the-stomach anxiety about what would happen in the event of irretrievable puncture or breakdown, it is hugely reassuring to have the phone number in my pocket. OK, in decades of cycling there has never been an occasion when I have seriously needed something like this, but I have often wished that it existed and now that it does I am delighted.
The very significant difference between this scheme and the ETA one is that this one covers punctures and the ETA don't. I know that for most of you that isn't an issue, but for wimps like me who find mending punctures on the roadside incredibly daunting (especially when tired, cold, wet and far from home) it's a huge bonus and was the reason why I jumped at this scheme immediately, having ignored ETA in the past.
I guess that many Audaxers are sufficiently self-sufficient not to feel the need for this, but for me it is £15 well spent just for the reassurance it provides, even if I never use it.
It is only a recovery service - they don't undertake any sort of repair, so it's not like the AA - and they claim that they will reach you within an hour. I understand that the service is provided by an existing motor cycle recovery service - which makes sense, as there can't be enough demand for a service targeted only at cyclists to be efficient.