VoiceMap is described as 'offers location-aware audio tours created by local storytellers. Tours can be downloaded to a mobile app and audio tracks automatically start playing triggered by GPS. VoiceMap also lets you sign up as storyteller and create your own tour' and is an app in the Travel & Location category. There are four alternatives to VoiceMap for Android, iPhone, Android Tablet and iPad. The best alternative is Hearonymus, which is free. Other great apps like VoiceMap are Lyke (Free), inviita (Free) and TripScout (Free).
Lyke is a community based guide that helps you to find the hottest spots in the city through real time feedback. No more outdated reviews. What you get is the most relevant and recent information about places around.