iSpeedCam is an application under continuous improvement. In order to benefit from the best functionalities and ease of use, we advise you to always check for the latest versions.
A second important feature is that we have built regional versions for 5 continents and several specific countries. The reason is that drivers from one region may be more up to date with road conditions on that area; therefore, they will be more likely to use just the version of their region.
The free version of the application has only the visual warnings enabled in it. When you upgrade from the free version to a regional or full version you will enable the warning sounds as well.