The nights are getting longer, there's a chill in the air and the clocks are set to go back this coming weekend – Autumn has definitely set in. And one of the biggest celebrations in Autumn is Halloween, which happens next Monday (October 31). Get into the scary spirit using your smartphone with these five free apps for Apple iPhones.

Halloween - 13 Spooky apps

This free app brings together 13 different Halloween themed apps in one bundle. Dig up a grave to discover a new app that's suitably scary. The app also offers a selection of spooky sounds that can be played simply by shaking your handset.

Good Food Cake Recipes

This app from the BBC cooking magazine Good Food offers 200 different cake and baked-treat recipes, many of which are Halloween themed ensuring you can offer trick or treaters an alternative to the usual goodies distributed on October 31.

Pumpkin Pops

We love this Halloween-themed take on Tetris. Be warned, you can easily waste a few hours playing it.

Scary Scream Soundboard

Scare yourself silly with this collection of 100 different blood curdling screams.

Ghost Radar classic

Concerned you might have a spiritual presence in your home or office? Fear not, Ghost Radar The app's developers says Ghost Radar "analyses nearby energies" to offer readings about the ghosts nearby.