Be The DJ

Simfy: This new music streaming service available to South Africans allows you to stream over 18 million songs on your smartphone. Playlists can be built and then downloaded to be listened to offline – just make sure you charge your device.
R60 monthly subscription (14 day trial available)

Ditch Traffic

Waze: See real-time reports of high-traffic areas and navigate your way around them with this social app. You can also help other drivers by reporting on traffic and accidents. Free.

Stay Safe

Emergency: This allows you to dial out to four saved numbers using one touch. Simply pre-programme your selected numbers before you leave and tap on one of the four icons to dial out. Easy enough.
Free.

Shoot Sharp

Camera+: Forget Instagram, Camera+ is the definitive photography app for roadtrips. Awesome effects and filters make this the professional choice for documenting your travels (including what you ate at the Whistle Stop).
R8.65.

Avoid Traps

Trapster: Stay within your roadtrip budget with this a social data app that relies on yourself and others to maintain to the speed trap database. When approaching a know speed trap/red light camera, the app will notify you with an audible notification. Free app. iPhone, Android, Blackberry, Windows Phone.