The map is compiled using figures released each month by Police.UK.
An algorithm cycles through the most recent month of police data, refreshing the map twice per week.
The app reveal the most common crimes reported in Colchester are violent and sexual assaults and knife crime.
New app reveals the most dangerous roads to walk in around Colchester
Here is a list of the some of the most dangerous streets to walk in and around the centre of Colchester according to the most recent data from the app:
Long Wyre Street - one knife crime
Short Cut Road - one violence/sexual assault