Free TomTom GO Navigation (UK) for 1 year

Using the German TomTom website you can get access to 12 months of TomTom Go services for Android or iOS with promo code BILDGONAV - may be useful for anyone who wishes to use an alternative to Google Maps etc. Normal cost is £12.99 per year in the UK and the subscription covers turn-by-turn navigation, offline maps, traffic and speed camera functions... More here. Thanks to Sami.

You can't beat free...